Mercurial > hg > release > icedtea7-forest-2.6 > hotspot
changeset 4291:4008cf63c301 hs24-b30
Merge
| author | amurillo |
|---|---|
| date | Thu, 17 Jan 2013 03:37:13 -0800 |
| parents | 23867f4f4480 (current diff) bb74dc5ddf07 (diff) |
| children | 06a41c6e29c2 |
| files | src/share/vm/trace/traceEventTypes.hpp |
| diffstat | 166 files changed, 6190 insertions(+), 1033 deletions(-) [+] |
line wrap: on
line diff
--- a/make/Makefile Wed Jan 16 13:59:27 2013 -0800 +++ b/make/Makefile Thu Jan 17 03:37:13 2013 -0800 @@ -440,7 +440,7 @@ JFR_EXISTS=$(shell if [ -d $(HS_ALT_SRC) ]; then echo 1; else echo 0; fi) # export jfr.h ifeq ($JFR_EXISTS,1) -$(EXPORT_INCLUDE_DIR)/%: $(HS_ALT_SRC)/share/vm/jfr/agent/% +$(EXPORT_INCLUDE_DIR)/%: $(HS_ALT_SRC)/share/vm/jfr/% $(install-file) else $(EXPORT_INCLUDE_DIR)/jfr.h:
--- a/make/bsd/makefiles/buildtree.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/bsd/makefiles/buildtree.make Thu Jan 17 03:37:13 2013 -0800 @@ -47,6 +47,7 @@ # flags.make - with macro settings # vm.make - to support making "$(MAKE) -v vm.make" in makefiles # adlc.make - +# trace.make - generate tracing event and type definitions # jvmti.make - generate JVMTI bindings from the spec (JSR-163) # sa.make - generate SA jar file and natives # env.[ck]sh - environment settings @@ -123,6 +124,7 @@ $(PLATFORM_DIR)/generated/dependencies \ $(PLATFORM_DIR)/generated/adfiles \ $(PLATFORM_DIR)/generated/jvmtifiles \ + $(PLATFORM_DIR)/generated/tracefiles \ $(PLATFORM_DIR)/generated/dtracefiles TARGETS = debug fastdebug jvmg optimized product profiled @@ -133,7 +135,7 @@ # dtrace.make is used on BSD versions that implement Dtrace (like MacOS X) BUILDTREE_TARGETS = Makefile flags.make flags_vm.make vm.make adlc.make \ - jvmti.make sa.make dtrace.make \ + jvmti.make trace.make sa.make dtrace.make \ env.sh env.csh jdkpath.sh .dbxrc test_gamma BUILDTREE_VARS = GAMMADIR=$(GAMMADIR) OS_FAMILY=$(OS_FAMILY) \ @@ -324,6 +326,16 @@ echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ ) > $@ +trace.make: $(BUILDTREE_MAKE) + @echo Creating $@ ... + $(QUIETLY) ( \ + $(BUILDTREE_COMMENT); \ + echo; \ + echo include flags.make; \ + echo; \ + echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ + ) > $@ + sa.make: $(BUILDTREE_MAKE) @echo Creating $@ ... $(QUIETLY) ( \
--- a/make/bsd/makefiles/top.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/bsd/makefiles/top.make Thu Jan 17 03:37:13 2013 -0800 @@ -80,7 +80,7 @@ @echo All done. # This is an explicit dependency for the sake of parallel makes. -vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) jvmti_stuff sa_stuff dtrace_stuff +vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) jvmti_stuff trace_stuff sa_stuff dtrace_stuff @# We need a null action here, so implicit rules don't get consulted. $(Cached_plat): $(Plat_File) @@ -94,6 +94,10 @@ jvmti_stuff: $(Cached_plat) $(adjust-mflags) @$(MAKE) -f jvmti.make $(MFLAGS-adjusted) +# generate trace files +trace_stuff: jvmti_stuff $(Cached_plat) $(adjust-mflags) + @$(MAKE) -f trace.make $(MFLAGS-adjusted) + ifeq ($(OS_VENDOR), Darwin) # generate dtrace header files dtrace_stuff: $(Cached_plat) $(adjust-mflags)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/make/bsd/makefiles/trace.make Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,121 @@ +# +# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +# This makefile (trace.make) is included from the trace.make in the +# build directories. +# +# It knows how to build and run the tools to generate trace files. + +include $(GAMMADIR)/make/bsd/makefiles/rules.make +include $(GAMMADIR)/make/altsrc.make + +# ######################################################################### + +HAS_ALT_SRC:=$(shell if [ -d $(HS_ALT_SRC)/share/vm/trace ]; then \ + echo "true"; else echo "false";\ + fi) + +TOPDIR = $(shell echo `pwd`) +GENERATED = $(TOPDIR)/../generated +JvmtiOutDir = $(GENERATED)/jvmtifiles +TraceOutDir = $(GENERATED)/tracefiles + +TraceAltSrcDir = $(HS_ALT_SRC)/share/vm/trace +TraceSrcDir = $(HS_COMMON_SRC)/share/vm/trace + +# set VPATH so make knows where to look for source files +Src_Dirs_V += $(TraceSrcDir) $(TraceAltSrcDir) +VPATH += $(Src_Dirs_V:%=%:) + +TraceGeneratedNames = \ + traceEventClasses.hpp \ + traceEventIds.hpp \ + traceTypes.hpp + +ifeq ($(HAS_ALT_SRC), true) +TraceGeneratedNames += \ + traceRequestables.hpp \ + traceEventControl.hpp + +ifeq ($(INCLUDE_TRACE), 1) +TraceGeneratedNames += traceProducer.cpp +endif + +endif + + +TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%) + +XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen + +XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \ + $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod +ifeq ($(HAS_ALT_SRC), true) + XML_DEPS += $(TraceAltSrcDir)/traceevents.xml +endif + +.PHONY: all clean cleanall + +# ######################################################################### + +all: $(TraceGeneratedFiles) + +GENERATE_CODE= \ + $(QUIETLY) echo Generating $@; \ + $(XSLT) -IN $(word 1,$^) -XSL $(word 2,$^) -OUT $@; \ + test -f $@ + +$(TraceOutDir)/traceEventIds.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventIds.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceTypes.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceTypes.xsl $(XML_DEPS) + $(GENERATE_CODE) + +ifeq ($(HAS_ALT_SRC), false) + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +else + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceProducer.cpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceProducer.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceRequestables.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceRequestables.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceEventControl.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventControl.xsl $(XML_DEPS) + $(GENERATE_CODE) + +endif + +# ######################################################################### + + +clean cleanall: + rm $(TraceGeneratedFiles) +
--- a/make/bsd/makefiles/vm.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/bsd/makefiles/vm.make Thu Jan 17 03:37:13 2013 -0800 @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # Rules to build JVM and related libraries, included from vm.make in the build @@ -52,7 +52,7 @@ # Src_Dirs_V is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm # The adfiles directory contains ad_<arch>.[ch]pp. # The jvmtifiles directory contains jvmti*.[ch]pp -Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles +Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles $(GENERATED)/tracefiles VPATH += $(Src_Dirs_V:%=%:) # set INCLUDES for C preprocessor. @@ -66,7 +66,7 @@ SYMFLAG = endif -# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined +# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined # in $(GAMMADIR)/make/defs.make ifeq ($(HOTSPOT_BUILD_VERSION),) BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\"" @@ -93,15 +93,15 @@ # This is VERY important! The version define must only be supplied to vm_version.o # If not, ccache will not re-use the cache at all, since the version string might contain -# a time and date. -vm_version.o: CXXFLAGS += ${JRE_VERSION} +# a time and date. +vm_version.o: CXXFLAGS += ${JRE_VERSION} ifdef DEFAULT_LIBPATH CXXFLAGS += -DDEFAULT_LIBPATH="\"$(DEFAULT_LIBPATH)\"" endif -ifndef JAVASE_EMBEDDED -CFLAGS += -DINCLUDE_TRACE +ifeq ($(INCLUDE_TRACE), 1) +CFLAGS += -DINCLUDE_TRACE=1 endif # CFLAGS_WARN holds compiler options to suppress/enable warnings. @@ -155,14 +155,14 @@ SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm -ifndef JAVASE_EMBEDDED +ifeq ($(INCLUDE_TRACE), 1) SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \ find $(HS_ALT_SRC)/share/vm/jfr -type d; \ fi) endif CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path)) -CORE_PATHS+=$(GENERATED)/jvmtifiles +CORE_PATHS+=$(GENERATED)/jvmtifiles $(GENERATED)/tracefiles COMPILER1_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/c1) COMPILER1_PATHS += $(HS_COMMON_SRC)/share/vm/c1
--- a/make/defs.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/defs.make Thu Jan 17 03:37:13 2013 -0800 @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # ifeq ($(HS_ALT_MAKE),) @@ -231,7 +231,7 @@ JDK_IMAGE_DIR=$(ALT_JDK_IMAGE_DIR) endif -# The platform dependent defs.make defines platform specific variable such +# The platform dependent defs.make defines platform specific variable such # as ARCH, EXPORT_LIST etc. We must place the include here after BOOTDIR is defined. include $(GAMMADIR)/make/$(OSNAME)/makefiles/defs.make @@ -253,7 +253,7 @@ # LIBARCH - directory name in JDK/JRE # Use uname output for SRCARCH, but deal with platform differences. If ARCH - # is not explicitly listed below, it is treated as x86. + # is not explicitly listed below, it is treated as x86. SRCARCH = $(ARCH/$(filter sparc sparc64 ia64 amd64 x86_64 arm ppc zero,$(ARCH))) ARCH/ = x86 ARCH/sparc = sparc @@ -333,6 +333,10 @@ EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jmm.h ifndef JAVASE_EMBEDDED -EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jfr.h + EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jfr.h + ifneq (${ARCH},arm) + ifneq (${INCLUDE_TRACE},0) + MAKE_ARGS += INCLUDE_TRACE=1 + endif + endif endif -
--- a/make/hotspot_version Wed Jan 16 13:59:27 2013 -0800 +++ b/make/hotspot_version Thu Jan 17 03:37:13 2013 -0800 @@ -1,5 +1,5 @@ # -# Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -31,11 +31,11 @@ # # Don't put quotes (fail windows build). -HOTSPOT_VM_COPYRIGHT=Copyright 2012 +HOTSPOT_VM_COPYRIGHT=Copyright 2013 HS_MAJOR_VER=24 HS_MINOR_VER=0 -HS_BUILD_NUMBER=29 +HS_BUILD_NUMBER=30 JDK_MAJOR_VER=1 JDK_MINOR_VER=7
--- a/make/linux/makefiles/buildtree.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/linux/makefiles/buildtree.make Thu Jan 17 03:37:13 2013 -0800 @@ -47,6 +47,7 @@ # flags.make - with macro settings # vm.make - to support making "$(MAKE) -v vm.make" in makefiles # adlc.make - +# trace.make - generate tracing event and type definitions # jvmti.make - generate JVMTI bindings from the spec (JSR-163) # sa.make - generate SA jar file and natives # env.[ck]sh - environment settings @@ -118,7 +119,8 @@ SIMPLE_DIRS = \ $(PLATFORM_DIR)/generated/dependencies \ $(PLATFORM_DIR)/generated/adfiles \ - $(PLATFORM_DIR)/generated/jvmtifiles + $(PLATFORM_DIR)/generated/jvmtifiles \ + $(PLATFORM_DIR)/generated/tracefiles TARGETS = debug fastdebug jvmg optimized product profiled SUBMAKE_DIRS = $(addprefix $(PLATFORM_DIR)/,$(TARGETS)) @@ -126,7 +128,7 @@ # For dependencies and recursive makes. BUILDTREE_MAKE = $(GAMMADIR)/make/$(OS_FAMILY)/makefiles/buildtree.make -BUILDTREE_TARGETS = Makefile flags.make flags_vm.make vm.make adlc.make jvmti.make sa.make \ +BUILDTREE_TARGETS = Makefile flags.make flags_vm.make vm.make adlc.make trace.make jvmti.make sa.make \ env.sh env.csh jdkpath.sh .dbxrc test_gamma BUILDTREE_VARS = GAMMADIR=$(GAMMADIR) OS_FAMILY=$(OS_FAMILY) \ @@ -327,6 +329,16 @@ echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ ) > $@ +trace.make: $(BUILDTREE_MAKE) + @echo Creating $@ ... + $(QUIETLY) ( \ + $(BUILDTREE_COMMENT); \ + echo; \ + echo include flags.make; \ + echo; \ + echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ + ) > $@ + sa.make: $(BUILDTREE_MAKE) @echo Creating $@ ... $(QUIETLY) ( \
--- a/make/linux/makefiles/top.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/linux/makefiles/top.make Thu Jan 17 03:37:13 2013 -0800 @@ -80,7 +80,7 @@ @echo All done. # This is an explicit dependency for the sake of parallel makes. -vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) jvmti_stuff sa_stuff +vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) trace_stuff jvmti_stuff sa_stuff @# We need a null action here, so implicit rules don't get consulted. $(Cached_plat): $(Plat_File) @@ -94,6 +94,10 @@ jvmti_stuff: $(Cached_plat) $(adjust-mflags) @$(MAKE) -f jvmti.make $(MFLAGS-adjusted) +# generate trace files +trace_stuff: jvmti_stuff $(Cached_plat) $(adjust-mflags) + @$(MAKE) -f trace.make $(MFLAGS-adjusted) + # generate SA jar files and native header sa_stuff: @$(MAKE) -f sa.make $(MFLAGS-adjusted)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/make/linux/makefiles/trace.make Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,120 @@ +# +# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +# This makefile (trace.make) is included from the trace.make in the +# build directories. +# +# It knows how to build and run the tools to generate trace files. + +include $(GAMMADIR)/make/linux/makefiles/rules.make +include $(GAMMADIR)/make/altsrc.make + +# ######################################################################### + +HAS_ALT_SRC:=$(shell if [ -d $(HS_ALT_SRC)/share/vm/trace ]; then \ + echo "true"; else echo "false";\ + fi) + +TOPDIR = $(shell echo `pwd`) +GENERATED = $(TOPDIR)/../generated +JvmtiOutDir = $(GENERATED)/jvmtifiles +TraceOutDir = $(GENERATED)/tracefiles + +TraceAltSrcDir = $(HS_ALT_SRC)/share/vm/trace +TraceSrcDir = $(HS_COMMON_SRC)/share/vm/trace + +# set VPATH so make knows where to look for source files +Src_Dirs_V += $(TraceSrcDir) $(TraceAltSrcDir) +VPATH += $(Src_Dirs_V:%=%:) + +TraceGeneratedNames = \ + traceEventClasses.hpp \ + traceEventIds.hpp \ + traceTypes.hpp + +ifeq ($(HAS_ALT_SRC), true) +TraceGeneratedNames += \ + traceRequestables.hpp \ + traceEventControl.hpp + +ifeq ($(INCLUDE_TRACE), 1) +TraceGeneratedNames += traceProducer.cpp +endif + +endif + +TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%) + +XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen + +XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \ + $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod +ifeq ($(HAS_ALT_SRC), true) + XML_DEPS += $(TraceAltSrcDir)/traceevents.xml +endif + +.PHONY: all clean cleanall + +# ######################################################################### + +all: $(TraceGeneratedFiles) + +GENERATE_CODE= \ + $(QUIETLY) echo Generating $@; \ + $(XSLT) -IN $(word 1,$^) -XSL $(word 2,$^) -OUT $@; \ + test -f $@ + +$(TraceOutDir)/traceEventIds.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventIds.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceTypes.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceTypes.xsl $(XML_DEPS) + $(GENERATE_CODE) + +ifeq ($(HAS_ALT_SRC), false) + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +else + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceProducer.cpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceProducer.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceRequestables.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceRequestables.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceEventControl.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventControl.xsl $(XML_DEPS) + $(GENERATE_CODE) + +endif + +# ######################################################################### + +clean cleanall: + rm $(TraceGeneratedFiles) + +
--- a/make/linux/makefiles/vm.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/linux/makefiles/vm.make Thu Jan 17 03:37:13 2013 -0800 @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # Rules to build JVM and related libraries, included from vm.make in the build @@ -52,7 +52,7 @@ # Src_Dirs_V is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm # The adfiles directory contains ad_<arch>.[ch]pp. # The jvmtifiles directory contains jvmti*.[ch]pp -Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles +Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles $(GENERATED)/tracefiles VPATH += $(Src_Dirs_V:%=%:) # set INCLUDES for C preprocessor. @@ -72,7 +72,7 @@ endif endif -# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined +# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined # in $(GAMMADIR)/make/defs.make ifeq ($(HOTSPOT_BUILD_VERSION),) BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\"" @@ -99,13 +99,11 @@ # This is VERY important! The version define must only be supplied to vm_version.o # If not, ccache will not re-use the cache at all, since the version string might contain -# a time and date. +# a time and date. vm_version.o: CXXFLAGS += ${JRE_VERSION} -ifndef JAVASE_EMBEDDED -ifneq (${ARCH},arm) -CFLAGS += -DINCLUDE_TRACE -endif +ifeq ($(INCLUDE_TRACE), 1) +CFLAGS += -DINCLUDE_TRACE=1 endif # CFLAGS_WARN holds compiler options to suppress/enable warnings. @@ -155,16 +153,14 @@ SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm -ifndef JAVASE_EMBEDDED -ifneq (${ARCH},arm) +ifeq ($(INCLUDE_TRACE), 1) SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \ find $(HS_ALT_SRC)/share/vm/jfr -type d; \ fi) endif -endif CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path)) -CORE_PATHS+=$(GENERATED)/jvmtifiles +CORE_PATHS+=$(GENERATED)/jvmtifiles $(GENERATED)/tracefiles COMPILER1_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/c1) COMPILER1_PATHS += $(HS_COMMON_SRC)/share/vm/c1 @@ -313,7 +309,7 @@ # With more recent Redhat releases (or the cutting edge version Fedora), if # SELinux is configured to be enabled, the runtime linker will fail to apply # the text relocation to libjvm.so considering that it is built as a non-PIC -# DSO. To workaround that, we run chcon to libjvm.so after it is built. See +# DSO. To workaround that, we run chcon to libjvm.so after it is built. See # details in bug 6538311. $(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT) $(QUIETLY) { \
--- a/make/solaris/makefiles/buildtree.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/solaris/makefiles/buildtree.make Thu Jan 17 03:37:13 2013 -0800 @@ -47,6 +47,7 @@ # flags.make - with macro settings # vm.make - to support making "$(MAKE) -v vm.make" in makefiles # adlc.make - +# trace.make - generate tracing event and type definitions # jvmti.make - generate JVMTI bindings from the spec (JSR-163) # sa.make - generate SA jar file and natives # env.[ck]sh - environment settings @@ -110,7 +111,8 @@ SIMPLE_DIRS = \ $(PLATFORM_DIR)/generated/dependencies \ $(PLATFORM_DIR)/generated/adfiles \ - $(PLATFORM_DIR)/generated/jvmtifiles + $(PLATFORM_DIR)/generated/jvmtifiles \ + $(PLATFORM_DIR)/generated/tracefiles TARGETS = debug fastdebug jvmg optimized product profiled SUBMAKE_DIRS = $(addprefix $(PLATFORM_DIR)/,$(TARGETS)) @@ -118,7 +120,7 @@ # For dependencies and recursive makes. BUILDTREE_MAKE = $(GAMMADIR)/make/$(OS_FAMILY)/makefiles/buildtree.make -BUILDTREE_TARGETS = Makefile flags.make flags_vm.make vm.make adlc.make jvmti.make sa.make \ +BUILDTREE_TARGETS = Makefile flags.make flags_vm.make vm.make adlc.make trace.make jvmti.make sa.make \ env.sh env.csh jdkpath.sh .dbxrc test_gamma BUILDTREE_VARS = GAMMADIR=$(GAMMADIR) OS_FAMILY=$(OS_FAMILY) \ @@ -320,6 +322,16 @@ echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ ) > $@ +trace.make: $(BUILDTREE_MAKE) + @echo Creating $@ ... + $(QUIETLY) ( \ + $(BUILDTREE_COMMENT); \ + echo; \ + echo include flags.make; \ + echo; \ + echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(@F)"; \ + ) > $@ + sa.make: $(BUILDTREE_MAKE) @echo Creating $@ ... $(QUIETLY) ( \
--- a/make/solaris/makefiles/top.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/solaris/makefiles/top.make Thu Jan 17 03:37:13 2013 -0800 @@ -73,7 +73,7 @@ @echo All done. # This is an explicit dependency for the sake of parallel makes. -vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) jvmti_stuff sa_stuff +vm_build_preliminaries: checks $(Cached_plat) $(AD_Files_If_Required) jvmti_stuff trace_stuff sa_stuff @# We need a null action here, so implicit rules don't get consulted. $(Cached_plat): $(Plat_File) @@ -87,6 +87,10 @@ jvmti_stuff: $(Cached_plat) $(adjust-mflags) @$(MAKE) -f jvmti.make $(MFLAGS-adjusted) +# generate trace files +trace_stuff: jvmti_stuff $(Cached_plat) $(adjust-mflags) + @$(MAKE) -f trace.make $(MFLAGS-adjusted) + # generate SA jar files and native header sa_stuff: @$(MAKE) -f sa.make $(MFLAGS-adjusted) @@ -127,5 +131,5 @@ rm -fr $(GENERATED) .PHONY: default vm_build_preliminaries -.PHONY: lists ad_stuff jvmti_stuff sa_stuff the_vm clean realclean +.PHONY: lists ad_stuff jvmti_stuff trace_stuff sa_stuff the_vm clean realclean .PHONY: checks check_os_version install
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/make/solaris/makefiles/trace.make Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,120 @@ +# +# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +# This makefile (trace.make) is included from the trace.make in the +# build directories. +# +# It knows how to build and run the tools to generate trace files. + +include $(GAMMADIR)/make/solaris/makefiles/rules.make +include $(GAMMADIR)/make/altsrc.make + +# ######################################################################### + +HAS_ALT_SRC:=$(shell if [ -d $(HS_ALT_SRC)/share/vm/trace ]; then \ + echo "true"; else echo "false";\ + fi) + +TOPDIR = $(shell echo `pwd`) +GENERATED = $(TOPDIR)/../generated +JvmtiOutDir = $(GENERATED)/jvmtifiles +TraceOutDir = $(GENERATED)/tracefiles + +TraceAltSrcDir = $(HS_ALT_SRC)/share/vm/trace +TraceSrcDir = $(HS_COMMON_SRC)/share/vm/trace + +# set VPATH so make knows where to look for source files +Src_Dirs_V += $(TraceSrcDir) $(TraceAltSrcDir) +VPATH += $(Src_Dirs_V:%=%:) + +TraceGeneratedNames = \ + traceEventClasses.hpp \ + traceEventIds.hpp \ + traceTypes.hpp + +ifeq ($(HAS_ALT_SRC), true) +TraceGeneratedNames += \ + traceRequestables.hpp \ + traceEventControl.hpp + +ifeq ($(INCLUDE_TRACE), 1) +TraceGeneratedNames += traceProducer.cpp +endif + +endif + +TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%) + +XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen + +XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \ + $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod +ifeq ($(HAS_ALT_SRC), true) + XML_DEPS += $(TraceAltSrcDir)/traceevents.xml +endif + +.PHONY: all clean cleanall + +# ######################################################################### + +all: $(TraceGeneratedFiles) + +GENERATE_CODE= \ + $(QUIETLY) echo Generating $@; \ + $(XSLT) -IN $(word 1,$^) -XSL $(word 2,$^) -OUT $@; \ + test -f $@ + +$(TraceOutDir)/traceEventIds.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventIds.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceTypes.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceTypes.xsl $(XML_DEPS) + $(GENERATE_CODE) + +ifeq ($(HAS_ALT_SRC), false) + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +else + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventClasses.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceProducer.cpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceProducer.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceRequestables.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceRequestables.xsl $(XML_DEPS) + $(GENERATE_CODE) + +$(TraceOutDir)/traceEventControl.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventControl.xsl $(XML_DEPS) + $(GENERATE_CODE) + +endif + +# ######################################################################### + +clean cleanall: + rm $(TraceGeneratedFiles) + +
--- a/make/solaris/makefiles/vm.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/solaris/makefiles/vm.make Thu Jan 17 03:37:13 2013 -0800 @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # Rules to build JVM and related libraries, included from vm.make in the build @@ -48,7 +48,7 @@ # Src_Dirs_V is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm # The adfiles directory contains ad_<arch>.[ch]pp. # The jvmtifiles directory contains jvmti*.[ch]pp -Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles +Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles $(GENERATED)/tracefiles VPATH += $(Src_Dirs_V:%=%:) # set INCLUDES for C preprocessor @@ -87,8 +87,8 @@ # This is VERY important! The version define must only be supplied to vm_version.o # If not, ccache will not re-use the cache at all, since the version string might contain -# a time and date. -vm_version.o: CXXFLAGS += ${JRE_VERSION} +# a time and date. +vm_version.o: CXXFLAGS += ${JRE_VERSION} # CFLAGS_WARN holds compiler options to suppress/enable warnings. CFLAGS += $(CFLAGS_WARN) @@ -97,7 +97,11 @@ CFLAGS += $(CFLAGS/NOEX) # Extra flags from gnumake's invocation or environment -CFLAGS += $(EXTRA_CFLAGS) -DINCLUDE_TRACE +CFLAGS += $(EXTRA_CFLAGS) + +ifeq ($(INCLUDE_TRACE), 1) +CFLAGS += -DINCLUDE_TRACE=1 +endif # Math Library (libm.so), do not use -lm. # There might be two versions of libm.so on the build system: @@ -179,7 +183,7 @@ fi) CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path)) -CORE_PATHS+=$(GENERATED)/jvmtifiles +CORE_PATHS+=$(GENERATED)/jvmtifiles $(GENERATED)/tracefiles COMPILER1_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/c1) COMPILER1_PATHS += $(HS_COMMON_SRC)/share/vm/c1 @@ -284,7 +288,7 @@ LINK_VM = $(LINK_LIB.CXX) endif # making the library: -$(LIBJVM): $(ADD_GNU_DEBUGLINK) $(FIX_EMPTY_SEC_HDR_FLAGS) $(LIBJVM.o) $(LIBJVM_MAPFILE) +$(LIBJVM): $(ADD_GNU_DEBUGLINK) $(FIX_EMPTY_SEC_HDR_FLAGS) $(LIBJVM.o) $(LIBJVM_MAPFILE) ifeq ($(filter -sbfast -xsbfast, $(CFLAGS_BROWSE)),) @echo Linking vm... $(QUIETLY) $(LINK_LIB.CXX/PRE_HOOK)
--- a/make/windows/create_obj_files.sh Wed Jan 16 13:59:27 2013 -0800 +++ b/make/windows/create_obj_files.sh Thu Jan 17 03:37:13 2013 -0800 @@ -71,13 +71,11 @@ BASE_PATHS="${BASE_PATHS} ${COMMONSRC}/${sd}" done -BASE_PATHS="${BASE_PATHS} ${GENERATED}/jvmtifiles" +BASE_PATHS="${BASE_PATHS} ${GENERATED}/jvmtifiles ${GENERATED}/tracefiles" if [ -d "${ALTSRC}/share/vm/jfr" ]; then - BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/agent" - BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/agent/isolated_deps/util" - BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/jvm" - BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr" + BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr" + BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/buffers" fi BASE_PATHS="${BASE_PATHS} ${COMMONSRC}/share/vm/prims/wbtestmethods"
--- a/make/windows/makefiles/generated.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/windows/makefiles/generated.make Thu Jan 17 03:37:13 2013 -0800 @@ -30,15 +30,19 @@ JvmtiOutDir=jvmtifiles !include $(WorkSpace)/make/windows/makefiles/jvmti.make +# Pick up rules for building trace +TraceOutDir=tracefiles +!include $(WorkSpace)/make/windows/makefiles/trace.make + # Pick up rules for building SA !include $(WorkSpace)/make/windows/makefiles/sa.make AdlcOutDir=adfiles !if ("$(Variant)" == "compiler2") || ("$(Variant)" == "tiered") -default:: $(AdlcOutDir)/ad_$(Platform_arch_model).cpp $(AdlcOutDir)/dfa_$(Platform_arch_model).cpp $(JvmtiGeneratedFiles) buildobjfiles +default:: $(AdlcOutDir)/ad_$(Platform_arch_model).cpp $(AdlcOutDir)/dfa_$(Platform_arch_model).cpp $(JvmtiGeneratedFiles) $(TraceGeneratedFiles) buildobjfiles !else -default:: $(JvmtiGeneratedFiles) buildobjfiles +default:: $(JvmtiGeneratedFiles) $(TraceGeneratedFiles) buildobjfiles !endif buildobjfiles:
--- a/make/windows/makefiles/projectcreator.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/windows/makefiles/projectcreator.make Thu Jan 17 03:37:13 2013 -0800 @@ -1,5 +1,5 @@ # -# Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # !include $(WorkSpace)/make/windows/makefiles/rules.make @@ -73,7 +73,7 @@ -ignorePath ppc \ -ignorePath zero \ -hidePath .hg - + # This is referenced externally by both the IDE and batch builds ProjectCreatorOptions= @@ -90,7 +90,7 @@ -disablePch bytecodeInterpreter.cpp \ -disablePch bytecodeInterpreterWithChecks.cpp \ -disablePch getThread_windows_$(Platform_arch).cpp \ - -disablePch_compiler2 opcodes.cpp + -disablePch_compiler2 opcodes.cpp # Common options for the IDE builds for core, c1, and c2 ProjectCreatorIDEOptions=\ @@ -117,7 +117,7 @@ -define TARGET_OS_ARCH_windows_x86 \ -define TARGET_OS_FAMILY_windows \ -define TARGET_COMPILER_visCPP \ - -define INCLUDE_TRACE \ + -define INCLUDE_TRACE=1 \ $(ProjectCreatorIncludesPRIVATE) # Add in build-specific options @@ -262,4 +262,12 @@ -additionalFile jvmtiEnter.cpp \ -additionalFile jvmtiEnterTrace.cpp \ -additionalFile jvmti.h \ - -additionalFile bytecodeInterpreterWithChecks.cpp + -additionalFile bytecodeInterpreterWithChecks.cpp \ + -additionalFile traceEventClasses.hpp \ + -additionalFile traceEventIds.hpp \ +!if "$(OPENJDK)" != "true" + -additionalFile traceRequestables.hpp \ + -additionalFile traceEventControl.hpp \ + -additionalFile traceProducer.cpp \ +!endif + -additionalFile traceTypes.hpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/make/windows/makefiles/trace.make Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,123 @@ +# +# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +# This makefile (trace.make) is included from the trace.make in the +# build directories. +# +# It knows how to build and run the tools to generate trace files. + +!include $(WorkSpace)/make/windows/makefiles/rules.make + +# ######################################################################### + + +TraceAltSrcDir = $(WorkSpace)/src/closed/share/vm/trace +TraceSrcDir = $(WorkSpace)/src/share/vm/trace + +TraceGeneratedNames = \ + traceEventClasses.hpp \ + traceEventIds.hpp \ + traceTypes.hpp + + +!if "$(OPENJDK)" != "true" +TraceGeneratedNames = $(TraceGeneratedNames) \ + traceRequestables.hpp \ + traceEventControl.hpp \ + traceProducer.cpp +!endif + + +#Note: TraceGeneratedFiles must be kept in sync with TraceGeneratedNames by hand. +#Should be equivalent to "TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%)" +TraceGeneratedFiles = \ + $(TraceOutDir)/traceEventClasses.hpp \ + $(TraceOutDir)/traceEventIds.hpp \ + $(TraceOutDir)/traceTypes.hpp + +!if "$(OPENJDK)" != "true" +TraceGeneratedFiles = $(TraceGeneratedFiles) \ + $(TraceOutDir)/traceRequestables.hpp \ + $(TraceOutDir)/traceEventControl.hpp \ + $(TraceOutDir)/traceProducer.cpp +!endif + +XSLT = $(QUIETLY) $(REMOTE) $(RUN_JAVA) -classpath $(JvmtiOutDir) jvmtiGen + +XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \ + $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod + +!if "$(OPENJDK)" != "true" +XML_DEPS = $(XML_DEPS) $(TraceAltSrcDir)/traceevents.xml +!endif + +.PHONY: all clean cleanall + +# ######################################################################### + +default:: + @if not exist $(TraceOutDir) mkdir $(TraceOutDir) + +$(TraceOutDir)/traceEventIds.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventIds.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceSrcDir)/traceEventIds.xsl -OUT $(TraceOutDir)/traceEventIds.hpp + +$(TraceOutDir)/traceTypes.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceTypes.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceSrcDir)/traceTypes.xsl -OUT $(TraceOutDir)/traceTypes.hpp + +!if "$(OPENJDK)" == "true" + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceSrcDir)/traceEventClasses.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceSrcDir)/traceEventClasses.xsl -OUT $(TraceOutDir)/traceEventClasses.hpp + +!else + +$(TraceOutDir)/traceEventClasses.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventClasses.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceAltSrcDir)/traceEventClasses.xsl -OUT $(TraceOutDir)/traceEventClasses.hpp + +$(TraceOutDir)/traceProducer.cpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceProducer.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceAltSrcDir)/traceProducer.xsl -OUT $(TraceOutDir)/traceProducer.cpp + +$(TraceOutDir)/traceRequestables.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceRequestables.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceAltSrcDir)/traceRequestables.xsl -OUT $(TraceOutDir)/traceRequestables.hpp + +$(TraceOutDir)/traceEventControl.hpp: $(TraceSrcDir)/trace.xml $(TraceAltSrcDir)/traceEventControl.xsl $(XML_DEPS) + @echo Generating $@ + @$(XSLT) -IN $(TraceSrcDir)/trace.xml -XSL $(TraceAltSrcDir)/traceEventControl.xsl -OUT $(TraceOutDir)/traceEventControl.hpp + +!endif + +# ######################################################################### + +cleanall : +!if "$(INCLUDE_TRACE)" == "1" + rm $(TraceGeneratedFiles) +!endif + +
--- a/make/windows/makefiles/vm.make Wed Jan 16 13:59:27 2013 -0800 +++ b/make/windows/makefiles/vm.make Thu Jan 17 03:37:13 2013 -0800 @@ -74,8 +74,8 @@ CXX_FLAGS=$(CXX_FLAGS) /D "HOTSPOT_BUILD_USER=\"$(BuildUser)\"" CXX_FLAGS=$(CXX_FLAGS) /D "HOTSPOT_VM_DISTRO=\"$(HOTSPOT_VM_DISTRO)\"" -!ifndef JAVASE_EMBEDDED -CXX_FLAGS=$(CXX_FLAGS) /D "INCLUDE_TRACE" +!if "$(INCLUDE_TRACE)" == "1" +CXX_FLAGS=$(CXX_FLAGS) /D "INCLUDE_TRACE=1" !endif CXX_FLAGS=$(CXX_FLAGS) $(CXX_INCLUDE_DIRS) @@ -156,6 +156,7 @@ VM_PATH=../generated VM_PATH=$(VM_PATH);../generated/adfiles VM_PATH=$(VM_PATH);../generated/jvmtifiles +VM_PATH=$(VM_PATH);../generated/tracefiles VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/c1 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/compiler VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/code @@ -184,17 +185,15 @@ VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/opto !if exists($(ALTSRC)\share\vm\jfr) -VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/agent -VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/agent/isolated_deps/util -VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/jvm VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr +VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/buffers !endif VM_PATH={$(VM_PATH)} # Special case files not using precompiled header files. -c1_RInfo_$(Platform_arch).obj: $(WorkSpace)\src\cpu\$(Platform_arch)\vm\c1_RInfo_$(Platform_arch).cpp +c1_RInfo_$(Platform_arch).obj: $(WorkSpace)\src\cpu\$(Platform_arch)\vm\c1_RInfo_$(Platform_arch).cpp $(CXX) $(CXX_FLAGS) $(CXX_DONT_USE_PCH) /c $(WorkSpace)\src\cpu\$(Platform_arch)\vm\c1_RInfo_$(Platform_arch).cpp os_windows.obj: $(WorkSpace)\src\os\windows\vm\os_windows.cpp @@ -396,16 +395,13 @@ {..\generated\jvmtifiles}.cpp.obj:: $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< +{..\generated\tracefiles}.cpp.obj:: + $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< + {$(ALTSRC)\share\vm\jfr}.cpp.obj:: $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< -{$(ALTSRC)\share\vm\jfr\agent}.cpp.obj:: - $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< - -{$(ALTSRC)\share\vm\jfr\agent\isolated_deps\util}.cpp.obj:: - $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< - -{$(ALTSRC)\share\vm\jfr\jvm}.cpp.obj:: +{$(ALTSRC)\share\vm\jfr\buffers}.cpp.obj:: $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $< default::
--- a/make/windows/projectfiles/common/Makefile Wed Jan 16 13:59:27 2013 -0800 +++ b/make/windows/projectfiles/common/Makefile Thu Jan 17 03:37:13 2013 -0800 @@ -45,6 +45,13 @@ !endif !endif +!ifndef OPENJDK +!if exist($(WorkSpace)\src\closed) +OPENJDK=false +!else +OPENJDK=true +!endif +!endif !include $(HOTSPOTWORKSPACE)/make/windows/makefiles/projectcreator.make @@ -54,6 +61,10 @@ JvmtiOutDir=$(HOTSPOTBUILDSPACE)\$(Variant)\generated\jvmtifiles !include $(HOTSPOTWORKSPACE)/make/windows/makefiles/jvmti.make +# Pick up rules for building trace +TraceOutDir=$(HOTSPOTBUILDSPACE)\$(Variant)\generated\tracefiles +!include $(HOTSPOTWORKSPACE)/make/windows/makefiles/trace.make + !if "$(Variant)" == "compiler2" # Pick up rules for building adlc !include $(HOTSPOTWORKSPACE)/make/windows/makefiles/adlc.make @@ -67,7 +78,7 @@ HS_INTERNAL_NAME=jvm !include $(HOTSPOTWORKSPACE)/make/windows/makefiles/launcher.make -default:: $(AdditionalTargets) $(JvmtiGeneratedFiles) +default:: $(AdditionalTargets) $(JvmtiGeneratedFiles) $(TraceGeneratedFiles) !include $(HOTSPOTWORKSPACE)/make/hotspot_version
--- a/src/cpu/x86/vm/frame_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/cpu/x86/vm/frame_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -33,6 +33,7 @@ #include "runtime/handles.inline.hpp" #include "runtime/javaCalls.hpp" #include "runtime/monitorChunk.hpp" +#include "runtime/os.hpp" #include "runtime/signature.hpp" #include "runtime/stubCodeGenerator.hpp" #include "runtime/stubRoutines.hpp" @@ -54,16 +55,22 @@ address sp = (address)_sp; address fp = (address)_fp; address unextended_sp = (address)_unextended_sp; - // sp must be within the stack - bool sp_safe = (sp <= thread->stack_base()) && - (sp >= thread->stack_base() - thread->stack_size()); + + // consider stack guards when trying to determine "safe" stack pointers + static size_t stack_guard_size = os::uses_stack_guard_pages() ? (StackYellowPages + StackRedPages) * os::vm_page_size() : 0; + size_t usable_stack_size = thread->stack_size() - stack_guard_size; + + // sp must be within the usable part of the stack (not in guards) + bool sp_safe = (sp < thread->stack_base()) && + (sp >= thread->stack_base() - usable_stack_size); + if (!sp_safe) { return false; } // unextended sp must be within the stack and above or equal sp - bool unextended_sp_safe = (unextended_sp <= thread->stack_base()) && + bool unextended_sp_safe = (unextended_sp < thread->stack_base()) && (unextended_sp >= sp); if (!unextended_sp_safe) { @@ -71,7 +78,8 @@ } // an fp must be within the stack and above (but not equal) sp - bool fp_safe = (fp <= thread->stack_base()) && (fp > sp); + // second evaluation on fp+ is added to handle situation where fp is -1 + bool fp_safe = (fp < thread->stack_base() && (fp > sp) && (((fp + (return_addr_offset * sizeof(void*))) < thread->stack_base()))); // We know sp/unextended_sp are safe only fp is questionable here @@ -86,6 +94,13 @@ // other generic buffer blobs are more problematic so we just assume they are // ok. adapter blobs never have a frame complete and are never ok. + // check for a valid frame_size, otherwise we are unlikely to get a valid sender_pc + + if (!Interpreter::contains(_pc) && _cb->frame_size() <= 0) { + //assert(0, "Invalid frame_size"); + return false; + } + if (!_cb->is_frame_complete_at(_pc)) { if (_cb->is_nmethod() || _cb->is_adapter_blob() || _cb->is_runtime_stub()) { return false; @@ -101,7 +116,7 @@ address jcw = (address)entry_frame_call_wrapper(); - bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > fp); + bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > fp); return jcw_safe; @@ -128,12 +143,6 @@ sender_pc = (address) *(sender_sp-1); } - // We must always be able to find a recognizable pc - CodeBlob* sender_blob = CodeCache::find_blob_unsafe(sender_pc); - if (sender_pc == NULL || sender_blob == NULL) { - return false; - } - // If the potential sender is the interpreter then we can do some more checking if (Interpreter::contains(sender_pc)) { @@ -143,7 +152,7 @@ // is really a frame pointer. intptr_t *saved_fp = (intptr_t*)*(sender_sp - frame::sender_sp_offset); - bool saved_fp_safe = ((address)saved_fp <= thread->stack_base()) && (saved_fp > sender_sp); + bool saved_fp_safe = ((address)saved_fp < thread->stack_base()) && (saved_fp > sender_sp); if (!saved_fp_safe) { return false; @@ -157,6 +166,17 @@ } + // We must always be able to find a recognizable pc + CodeBlob* sender_blob = CodeCache::find_blob_unsafe(sender_pc); + if (sender_pc == NULL || sender_blob == NULL) { + return false; + } + + // Could be a zombie method + if (sender_blob->is_zombie() || sender_blob->is_unloaded()) { + return false; + } + // Could just be some random pointer within the codeBlob if (!sender_blob->code_contains(sender_pc)) { return false; @@ -167,11 +187,20 @@ return false; } + // Exception stubs don't make calls + if (sender_blob->is_exception_stub()) { + return false; + } + + if (sender_blob->is_deoptimization_stub()) { + return false; + } + // Could be the call_stub if (StubRoutines::returns_to_call_stub(sender_pc)) { intptr_t *saved_fp = (intptr_t*)*(sender_sp - frame::sender_sp_offset); - bool saved_fp_safe = ((address)saved_fp <= thread->stack_base()) && (saved_fp > sender_sp); + bool saved_fp_safe = ((address)saved_fp < thread->stack_base()) && (saved_fp > sender_sp); if (!saved_fp_safe) { return false; @@ -184,11 +213,20 @@ // Validate the JavaCallWrapper an entry frame must have address jcw = (address)sender.entry_frame_call_wrapper(); - bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > (address)sender.fp()); + bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > (address)sender.fp()); return jcw_safe; } + if (sender_blob->is_nmethod()) { + nmethod* nm = sender_blob->as_nmethod_or_null(); + if (nm != NULL) { + if (nm->is_deopt_mh_entry(sender_pc) || nm->is_deopt_entry(sender_pc)) { + return false; + } + } + } + // If the frame size is 0 something is bad because every nmethod has a non-zero frame size // because the return address counts against the callee's frame. @@ -202,7 +240,7 @@ // should not be anything but the call stub (already covered), the interpreter (already covered) // or an nmethod. - assert(sender_blob->is_nmethod(), "Impossible call chain"); + assert(sender_blob->is_runtime_stub() || sender_blob->is_nmethod(), "Impossible call chain"); // Could put some more validation for the potential non-interpreted sender // frame we'd create by calling sender if I could think of any. Wait for next crash in forte...
--- a/src/os/bsd/vm/osThread_bsd.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/bsd/vm/osThread_bsd.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -91,7 +91,7 @@ // flags that support signal based suspend/resume on Bsd are in a // separate class to avoid confusion with many flags in OSThread that // are used by VM level suspend/resume. - os::Bsd::SuspendResume sr; + os::SuspendResume sr; // _ucontext and _siginfo are used by SR_handler() to save thread context, // and they will later be used to walk the stack or reposition thread PC.
--- a/src/os/bsd/vm/os_bsd.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/bsd/vm/os_bsd.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -3718,9 +3718,6 @@ static void resume_clear_context(OSThread *osthread) { osthread->set_ucontext(NULL); osthread->set_siginfo(NULL); - - // notify the suspend action is completed, we have now resumed - osthread->sr.clear_suspended(); } static void suspend_save_context(OSThread *osthread, siginfo_t* siginfo, ucontext_t* context) { @@ -3740,7 +3737,7 @@ // its signal handlers run and prevents sigwait()'s use with the // mutex granting granting signal. // -// Currently only ever called on the VMThread +// Currently only ever called on the VMThread or JavaThread // static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) { // Save and restore errno to avoid confusing native code with EINTR @@ -3749,38 +3746,46 @@ Thread* thread = Thread::current(); OSThread* osthread = thread->osthread(); - assert(thread->is_VM_thread(), "Must be VMThread"); - // read current suspend action - int action = osthread->sr.suspend_action(); - if (action == SR_SUSPEND) { + assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread"); + + os::SuspendResume::State current = osthread->sr.state(); + if (current == os::SuspendResume::SR_SUSPEND_REQUEST) { suspend_save_context(osthread, siginfo, context); - // Notify the suspend action is about to be completed. do_suspend() - // waits until SR_SUSPENDED is set and then returns. We will wait - // here for a resume signal and that completes the suspend-other - // action. do_suspend/do_resume is always called as a pair from - // the same thread - so there are no races - - // notify the caller - osthread->sr.set_suspended(); - - sigset_t suspend_set; // signals for sigsuspend() - - // get current set of blocked signals and unblock resume signal - pthread_sigmask(SIG_BLOCK, NULL, &suspend_set); - sigdelset(&suspend_set, SR_signum); - - // wait here until we are resumed - do { - sigsuspend(&suspend_set); - // ignore all returns until we get a resume signal - } while (osthread->sr.suspend_action() != SR_CONTINUE); + // attempt to switch the state, we assume we had a SUSPEND_REQUEST + os::SuspendResume::State state = osthread->sr.suspended(); + if (state == os::SuspendResume::SR_SUSPENDED) { + sigset_t suspend_set; // signals for sigsuspend() + + // get current set of blocked signals and unblock resume signal + pthread_sigmask(SIG_BLOCK, NULL, &suspend_set); + sigdelset(&suspend_set, SR_signum); + + // wait here until we are resumed + while (1) { + sigsuspend(&suspend_set); + + os::SuspendResume::State result = osthread->sr.running(); + if (result == os::SuspendResume::SR_RUNNING) { + break; + } else if (result != os::SuspendResume::SR_SUSPENDED) { + ShouldNotReachHere(); + } + } + + } else if (state == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else { + ShouldNotReachHere(); + } resume_clear_context(osthread); - + } else if (current == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else if (current == os::SuspendResume::SR_WAKEUP_REQUEST) { + // ignore } else { - assert(action == SR_CONTINUE, "unexpected sr action"); - // nothing special to do - just leave the handler + ShouldNotReachHere(); } errno = old_errno; @@ -3828,42 +3833,93 @@ return 0; } +static int sr_notify(OSThread* osthread) { + int status = pthread_kill(osthread->pthread_id(), SR_signum); + assert_status(status == 0, status, "pthread_kill"); + return status; +} + +// "Randomly" selected value for how long we want to spin +// before bailing out on suspending a thread, also how often +// we send a signal to a thread we want to resume +static const int RANDOMLY_LARGE_INTEGER = 1000000; +static const int RANDOMLY_LARGE_INTEGER2 = 100; // returns true on success and false on error - really an error is fatal // but this seems the normal response to library errors static bool do_suspend(OSThread* osthread) { + assert(osthread->sr.is_running(), "thread should be running"); // mark as suspended and send signal - osthread->sr.set_suspend_action(SR_SUSPEND); - int status = pthread_kill(osthread->pthread_id(), SR_signum); - assert_status(status == 0, status, "pthread_kill"); - - // check status and wait until notified of suspension - if (status == 0) { - for (int i = 0; !osthread->sr.is_suspended(); i++) { + + if (osthread->sr.request_suspend() != os::SuspendResume::SR_SUSPEND_REQUEST) { + // failed to switch, state wasn't running? + ShouldNotReachHere(); + return false; + } + + if (sr_notify(osthread) != 0) { + // try to cancel, switch to running + + os::SuspendResume::State result = osthread->sr.cancel_suspend(); + if (result == os::SuspendResume::SR_RUNNING) { + // cancelled + return false; + } else if (result == os::SuspendResume::SR_SUSPENDED) { + // somehow managed to suspend + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + + // managed to send the signal and switch to SUSPEND_REQUEST, now wait for SUSPENDED + + for (int n = 0; !osthread->sr.is_suspended(); n++) { + for (int i = 0; i < RANDOMLY_LARGE_INTEGER2 && !osthread->sr.is_suspended(); i++) { os::yield_all(i); } - osthread->sr.set_suspend_action(SR_NONE); - return true; - } - else { - osthread->sr.set_suspend_action(SR_NONE); - return false; - } + + // timeout, try to cancel the request + if (n >= RANDOMLY_LARGE_INTEGER) { + os::SuspendResume::State cancelled = osthread->sr.cancel_suspend(); + if (cancelled == os::SuspendResume::SR_RUNNING) { + return false; + } else if (cancelled == os::SuspendResume::SR_SUSPENDED) { + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + } + + guarantee(osthread->sr.is_suspended(), "Must be suspended"); + return true; } static void do_resume(OSThread* osthread) { assert(osthread->sr.is_suspended(), "thread should be suspended"); - osthread->sr.set_suspend_action(SR_CONTINUE); - - int status = pthread_kill(osthread->pthread_id(), SR_signum); - assert_status(status == 0, status, "pthread_kill"); - // check status and wait unit notified of resumption - if (status == 0) { - for (int i = 0; osthread->sr.is_suspended(); i++) { - os::yield_all(i); + + if (osthread->sr.request_wakeup() != os::SuspendResume::SR_WAKEUP_REQUEST) { + // failed to switch to WAKEUP_REQUEST + ShouldNotReachHere(); + return; + } + + while (!osthread->sr.is_running()) { + if (sr_notify(osthread) == 0) { + for (int n = 0; n < RANDOMLY_LARGE_INTEGER && !osthread->sr.is_running(); n++) { + for (int i = 0; i < 100 && !osthread->sr.is_running(); i++) { + os::yield_all(i); + } + } + } else { + ShouldNotReachHere(); } } - osthread->sr.set_suspend_action(SR_NONE); + + guarantee(osthread->sr.is_running(), "Must be running!"); } //////////////////////////////////////////////////////////////////////////////// @@ -4674,7 +4730,40 @@ return false; } +void os::SuspendedThreadTask::internal_do_task() { + if (do_suspend(_thread->osthread())) { + SuspendedThreadTaskContext context(_thread, _thread->osthread()->ucontext()); + do_task(context); + do_resume(_thread->osthread()); + } +} + /// +class PcFetcher : public os::SuspendedThreadTask { +public: + PcFetcher(Thread* thread) : os::SuspendedThreadTask(thread) {} + ExtendedPC result(); +protected: + void do_task(const os::SuspendedThreadTaskContext& context); +private: + ExtendedPC _epc; +}; + +ExtendedPC PcFetcher::result() { + guarantee(is_done(), "task is not done yet."); + return _epc; +} + +void PcFetcher::do_task(const os::SuspendedThreadTaskContext& context) { + Thread* thread = context.thread(); + OSThread* osthread = thread->osthread(); + if (osthread->ucontext() != NULL) { + _epc = os::Bsd::ucontext_get_pc((ucontext_t *) context.ucontext()); + } else { + // NULL context is unexpected, double-check this is the VMThread + guarantee(thread->is_VM_thread(), "can only be called for VMThread"); + } +} // Suspends the target using the signal mechanism and then grabs the PC before // resuming the target. Used by the flat-profiler only @@ -4683,22 +4772,9 @@ assert(Thread::current()->is_Watcher_thread(), "Must be watcher"); assert(thread->is_VM_thread(), "Can only be called for VMThread"); - ExtendedPC epc; - - OSThread* osthread = thread->osthread(); - if (do_suspend(osthread)) { - if (osthread->ucontext() != NULL) { - epc = os::Bsd::ucontext_get_pc(osthread->ucontext()); - } else { - // NULL context is unexpected, double-check this is the VMThread - guarantee(thread->is_VM_thread(), "can only be called for VMThread"); - } - do_resume(osthread); - } - // failure means pthread_kill failed for some reason - arguably this is - // a fatal problem, but such problems are ignored elsewhere - - return epc; + PcFetcher fetcher(thread); + fetcher.run(); + return fetcher.result(); } int os::Bsd::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime)
--- a/src/os/bsd/vm/os_bsd.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/bsd/vm/os_bsd.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -229,47 +229,6 @@ // BsdThreads work-around for 6292965 static int safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime); - - // Bsd suspend/resume support - this helper is a shadow of its former - // self now that low-level suspension is barely used, and old workarounds - // for BsdThreads are no longer needed. - class SuspendResume { - private: - volatile int _suspend_action; - // values for suspend_action: - #define SR_NONE (0x00) - #define SR_SUSPEND (0x01) // suspend request - #define SR_CONTINUE (0x02) // resume request - - volatile jint _state; - // values for _state: + SR_NONE - #define SR_SUSPENDED (0x20) - public: - SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; } - - int suspend_action() const { return _suspend_action; } - void set_suspend_action(int x) { _suspend_action = x; } - - // atomic updates for _state - void set_suspended() { - jint temp, temp2; - do { - temp = _state; - temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp); - } while (temp2 != temp); - } - void clear_suspended() { - jint temp, temp2; - do { - temp = _state; - temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp); - } while (temp2 != temp); - } - bool is_suspended() { return _state & SR_SUSPENDED; } - - #undef SR_SUSPENDED - }; - private: typedef int (*sched_getcpu_func_t)(void); typedef int (*numa_node_to_cpus_func_t)(int node, unsigned long *buffer, int bufferlen);
--- a/src/os/linux/vm/osThread_linux.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/linux/vm/osThread_linux.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -77,7 +77,7 @@ // flags that support signal based suspend/resume on Linux are in a // separate class to avoid confusion with many flags in OSThread that // are used by VM level suspend/resume. - os::Linux::SuspendResume sr; + os::SuspendResume sr; // _ucontext and _siginfo are used by SR_handler() to save thread context, // and they will later be used to walk the stack or reposition thread PC.
--- a/src/os/linux/vm/os_linux.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/linux/vm/os_linux.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -3449,9 +3449,6 @@ static void resume_clear_context(OSThread *osthread) { osthread->set_ucontext(NULL); osthread->set_siginfo(NULL); - - // notify the suspend action is completed, we have now resumed - osthread->sr.clear_suspended(); } static void suspend_save_context(OSThread *osthread, siginfo_t* siginfo, ucontext_t* context) { @@ -3471,7 +3468,7 @@ // its signal handlers run and prevents sigwait()'s use with the // mutex granting granting signal. // -// Currently only ever called on the VMThread +// Currently only ever called on the VMThread and JavaThreads (PC sampling) // static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) { // Save and restore errno to avoid confusing native code with EINTR @@ -3480,38 +3477,44 @@ Thread* thread = Thread::current(); OSThread* osthread = thread->osthread(); - assert(thread->is_VM_thread(), "Must be VMThread"); - // read current suspend action - int action = osthread->sr.suspend_action(); - if (action == SR_SUSPEND) { + assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread"); + + os::SuspendResume::State current = osthread->sr.state(); + if (current == os::SuspendResume::SR_SUSPEND_REQUEST) { suspend_save_context(osthread, siginfo, context); - // Notify the suspend action is about to be completed. do_suspend() - // waits until SR_SUSPENDED is set and then returns. We will wait - // here for a resume signal and that completes the suspend-other - // action. do_suspend/do_resume is always called as a pair from - // the same thread - so there are no races - - // notify the caller - osthread->sr.set_suspended(); - - sigset_t suspend_set; // signals for sigsuspend() - - // get current set of blocked signals and unblock resume signal - pthread_sigmask(SIG_BLOCK, NULL, &suspend_set); - sigdelset(&suspend_set, SR_signum); - - // wait here until we are resumed - do { - sigsuspend(&suspend_set); - // ignore all returns until we get a resume signal - } while (osthread->sr.suspend_action() != SR_CONTINUE); + // attempt to switch the state, we assume we had a SUSPEND_REQUEST + os::SuspendResume::State state = osthread->sr.suspended(); + if (state == os::SuspendResume::SR_SUSPENDED) { + sigset_t suspend_set; // signals for sigsuspend() + + // get current set of blocked signals and unblock resume signal + pthread_sigmask(SIG_BLOCK, NULL, &suspend_set); + sigdelset(&suspend_set, SR_signum); + + // wait here until we are resumed + while (1) { + sigsuspend(&suspend_set); + + os::SuspendResume::State result = osthread->sr.running(); + if (result == os::SuspendResume::SR_RUNNING) { + break; + } + } + + } else if (state == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else { + ShouldNotReachHere(); + } resume_clear_context(osthread); - + } else if (current == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else if (current == os::SuspendResume::SR_WAKEUP_REQUEST) { + // ignore } else { - assert(action == SR_CONTINUE, "unexpected sr action"); - // nothing special to do - just leave the handler + ShouldNotReachHere(); } errno = old_errno; @@ -3559,42 +3562,93 @@ return 0; } +static int sr_notify(OSThread* osthread) { + int status = pthread_kill(osthread->pthread_id(), SR_signum); + assert_status(status == 0, status, "pthread_kill"); + return status; +} + +// "Randomly" selected value for how long we want to spin +// before bailing out on suspending a thread, also how often +// we send a signal to a thread we want to resume +static const int RANDOMLY_LARGE_INTEGER = 1000000; +static const int RANDOMLY_LARGE_INTEGER2 = 100; // returns true on success and false on error - really an error is fatal // but this seems the normal response to library errors static bool do_suspend(OSThread* osthread) { + assert(osthread->sr.is_running(), "thread should be running"); // mark as suspended and send signal - osthread->sr.set_suspend_action(SR_SUSPEND); - int status = pthread_kill(osthread->pthread_id(), SR_signum); - assert_status(status == 0, status, "pthread_kill"); - - // check status and wait until notified of suspension - if (status == 0) { - for (int i = 0; !osthread->sr.is_suspended(); i++) { + + if (osthread->sr.request_suspend() != os::SuspendResume::SR_SUSPEND_REQUEST) { + // failed to switch, state wasn't running? + ShouldNotReachHere(); + return false; + } + + if (sr_notify(osthread) != 0) { + // try to cancel, switch to running + + os::SuspendResume::State result = osthread->sr.cancel_suspend(); + if (result == os::SuspendResume::SR_RUNNING) { + // cancelled + return false; + } else if (result == os::SuspendResume::SR_SUSPENDED) { + // somehow managed to suspend + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + + // managed to send the signal and switch to SUSPEND_REQUEST, now wait for SUSPENDED + + for (int n = 0; !osthread->sr.is_suspended(); n++) { + for (int i = 0; i < RANDOMLY_LARGE_INTEGER2 && !osthread->sr.is_suspended(); i++) { os::yield_all(i); } - osthread->sr.set_suspend_action(SR_NONE); - return true; - } - else { - osthread->sr.set_suspend_action(SR_NONE); - return false; - } + + // timeout, try to cancel the request + if (n >= RANDOMLY_LARGE_INTEGER) { + os::SuspendResume::State cancelled = osthread->sr.cancel_suspend(); + if (cancelled == os::SuspendResume::SR_RUNNING) { + return false; + } else if (cancelled == os::SuspendResume::SR_SUSPENDED) { + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + } + + guarantee(osthread->sr.is_suspended(), "Must be suspended"); + return true; } static void do_resume(OSThread* osthread) { assert(osthread->sr.is_suspended(), "thread should be suspended"); - osthread->sr.set_suspend_action(SR_CONTINUE); - - int status = pthread_kill(osthread->pthread_id(), SR_signum); - assert_status(status == 0, status, "pthread_kill"); - // check status and wait unit notified of resumption - if (status == 0) { - for (int i = 0; osthread->sr.is_suspended(); i++) { - os::yield_all(i); + + if (osthread->sr.request_wakeup() != os::SuspendResume::SR_WAKEUP_REQUEST) { + // failed to switch to WAKEUP_REQUEST + ShouldNotReachHere(); + return; + } + + while (!osthread->sr.is_running()) { + if (sr_notify(osthread) == 0) { + for (int n = 0; n < RANDOMLY_LARGE_INTEGER && !osthread->sr.is_running(); n++) { + for (int i = 0; i < 100 && !osthread->sr.is_running(); i++) { + os::yield_all(i); + } + } + } else { + ShouldNotReachHere(); } } - osthread->sr.set_suspend_action(SR_NONE); + + guarantee(osthread->sr.is_running(), "Must be running!"); } //////////////////////////////////////////////////////////////////////////////// @@ -4355,6 +4409,40 @@ /// +void os::SuspendedThreadTask::internal_do_task() { + if (do_suspend(_thread->osthread())) { + SuspendedThreadTaskContext context(_thread, _thread->osthread()->ucontext()); + do_task(context); + do_resume(_thread->osthread()); + } +} + +class PcFetcher : public os::SuspendedThreadTask { +public: + PcFetcher(Thread* thread) : os::SuspendedThreadTask(thread) {} + ExtendedPC result(); +protected: + void do_task(const os::SuspendedThreadTaskContext& context); +private: + ExtendedPC _epc; +}; + +ExtendedPC PcFetcher::result() { + guarantee(is_done(), "task is not done yet."); + return _epc; +} + +void PcFetcher::do_task(const os::SuspendedThreadTaskContext& context) { + Thread* thread = context.thread(); + OSThread* osthread = thread->osthread(); + if (osthread->ucontext() != NULL) { + _epc = os::Linux::ucontext_get_pc((ucontext_t *) context.ucontext()); + } else { + // NULL context is unexpected, double-check this is the VMThread + guarantee(thread->is_VM_thread(), "can only be called for VMThread"); + } +} + // Suspends the target using the signal mechanism and then grabs the PC before // resuming the target. Used by the flat-profiler only ExtendedPC os::get_thread_pc(Thread* thread) { @@ -4362,22 +4450,9 @@ assert(Thread::current()->is_Watcher_thread(), "Must be watcher"); assert(thread->is_VM_thread(), "Can only be called for VMThread"); - ExtendedPC epc; - - OSThread* osthread = thread->osthread(); - if (do_suspend(osthread)) { - if (osthread->ucontext() != NULL) { - epc = os::Linux::ucontext_get_pc(osthread->ucontext()); - } else { - // NULL context is unexpected, double-check this is the VMThread - guarantee(thread->is_VM_thread(), "can only be called for VMThread"); - } - do_resume(osthread); - } - // failure means pthread_kill failed for some reason - arguably this is - // a fatal problem, but such problems are ignored elsewhere - - return epc; + PcFetcher fetcher(thread); + fetcher.run(); + return fetcher.result(); } int os::Linux::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime)
--- a/src/os/linux/vm/os_linux.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/linux/vm/os_linux.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -203,47 +203,6 @@ // LinuxThreads work-around for 6292965 static int safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime); - - // Linux suspend/resume support - this helper is a shadow of its former - // self now that low-level suspension is barely used, and old workarounds - // for LinuxThreads are no longer needed. - class SuspendResume { - private: - volatile int _suspend_action; - // values for suspend_action: - #define SR_NONE (0x00) - #define SR_SUSPEND (0x01) // suspend request - #define SR_CONTINUE (0x02) // resume request - - volatile jint _state; - // values for _state: + SR_NONE - #define SR_SUSPENDED (0x20) - public: - SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; } - - int suspend_action() const { return _suspend_action; } - void set_suspend_action(int x) { _suspend_action = x; } - - // atomic updates for _state - void set_suspended() { - jint temp, temp2; - do { - temp = _state; - temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp); - } while (temp2 != temp); - } - void clear_suspended() { - jint temp, temp2; - do { - temp = _state; - temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp); - } while (temp2 != temp); - } - bool is_suspended() { return _state & SR_SUSPENDED; } - - #undef SR_SUSPENDED - }; - private: typedef int (*sched_getcpu_func_t)(void); typedef int (*numa_node_to_cpus_func_t)(int node, unsigned long *buffer, int bufferlen);
--- a/src/os/solaris/vm/osThread_solaris.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/solaris/vm/osThread_solaris.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -47,10 +47,6 @@ _thread_id = 0; sigemptyset(&_caller_sigmask); - _current_callback = NULL; - _current_callback_lock = VM_Version::supports_compare_and_exchange() ? NULL - : new Mutex(Mutex::suspend_resume, "Callback_lock", true); - _saved_interrupt_thread_state = _thread_new; _vm_created_thread = false; } @@ -58,172 +54,6 @@ void OSThread::pd_destroy() { } -// Synchronous interrupt support -// -// _current_callback == NULL no pending callback -// == 1 callback_in_progress -// == other value pointer to the pending callback -// - -// CAS on v8 is implemented by using a global atomic_memory_operation_lock, -// which is shared by other atomic functions. It is OK for normal uses, but -// dangerous if used after some thread is suspended or if used in signal -// handlers. Instead here we use a special per-thread lock to synchronize -// updating _current_callback if we are running on v8. Note in general trying -// to grab locks after a thread is suspended is not safe, but it is safe for -// updating _current_callback, because synchronous interrupt callbacks are -// currently only used in: -// 1. GetThreadPC_Callback - used by WatcherThread to profile VM thread -// There is no overlap between the callbacks, which means we won't try to -// grab a thread's sync lock after the thread has been suspended while holding -// the same lock. - -// used after a thread is suspended -static intptr_t compare_and_exchange_current_callback ( - intptr_t callback, intptr_t *addr, intptr_t compare_value, Mutex *sync) { - if (VM_Version::supports_compare_and_exchange()) { - return Atomic::cmpxchg_ptr(callback, addr, compare_value); - } else { - MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag); - if (*addr == compare_value) { - *addr = callback; - return compare_value; - } else { - return callback; - } - } -} - -// used in signal handler -static intptr_t exchange_current_callback(intptr_t callback, intptr_t *addr, Mutex *sync) { - if (VM_Version::supports_compare_and_exchange()) { - return Atomic::xchg_ptr(callback, addr); - } else { - MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag); - intptr_t cb = *addr; - *addr = callback; - return cb; - } -} - -// one interrupt at a time. spin if _current_callback != NULL -int OSThread::set_interrupt_callback(Sync_Interrupt_Callback * cb) { - int count = 0; - while (compare_and_exchange_current_callback( - (intptr_t)cb, (intptr_t *)&_current_callback, (intptr_t)NULL, _current_callback_lock) != NULL) { - while (_current_callback != NULL) { - count++; -#ifdef ASSERT - if ((WarnOnStalledSpinLock > 0) && - (count % WarnOnStalledSpinLock == 0)) { - warning("_current_callback seems to be stalled: %p", _current_callback); - } -#endif - os::yield_all(count); - } - } - return 0; -} - -// reset _current_callback, spin if _current_callback is callback_in_progress -void OSThread::remove_interrupt_callback(Sync_Interrupt_Callback * cb) { - int count = 0; - while (compare_and_exchange_current_callback( - (intptr_t)NULL, (intptr_t *)&_current_callback, (intptr_t)cb, _current_callback_lock) != (intptr_t)cb) { -#ifdef ASSERT - intptr_t p = (intptr_t)_current_callback; - assert(p == (intptr_t)callback_in_progress || - p == (intptr_t)cb, "wrong _current_callback value"); -#endif - while (_current_callback != cb) { - count++; -#ifdef ASSERT - if ((WarnOnStalledSpinLock > 0) && - (count % WarnOnStalledSpinLock == 0)) { - warning("_current_callback seems to be stalled: %p", _current_callback); - } -#endif - os::yield_all(count); - } - } -} - -void OSThread::do_interrupt_callbacks_at_interrupt(InterruptArguments *args) { - Sync_Interrupt_Callback * cb; - cb = (Sync_Interrupt_Callback *)exchange_current_callback( - (intptr_t)callback_in_progress, (intptr_t *)&_current_callback, _current_callback_lock); - - if (cb == NULL) { - // signal is delivered too late (thread is masking interrupt signal??). - // there is nothing we need to do because requesting thread has given up. - } else if ((intptr_t)cb == (intptr_t)callback_in_progress) { - fatal("invalid _current_callback state"); - } else { - assert(cb->target()->osthread() == this, "wrong target"); - cb->execute(args); - cb->leave_callback(); // notify the requester - } - - // restore original _current_callback value - intptr_t p; - p = exchange_current_callback((intptr_t)cb, (intptr_t *)&_current_callback, _current_callback_lock); - assert(p == (intptr_t)callback_in_progress, "just checking"); -} - -// Called by the requesting thread to send a signal to target thread and -// execute "this" callback from the signal handler. -int OSThread::Sync_Interrupt_Callback::interrupt(Thread * target, int timeout) { - // Let signals to the vm_thread go even if the Threads_lock is not acquired - assert(Threads_lock->owned_by_self() || (target == VMThread::vm_thread()), - "must have threads lock to call this"); - - OSThread * osthread = target->osthread(); - - // may block if target thread already has a pending callback - osthread->set_interrupt_callback(this); - - _target = target; - - int rslt = thr_kill(osthread->thread_id(), os::Solaris::SIGasync()); - assert(rslt == 0, "thr_kill != 0"); - - bool status = false; - jlong t1 = os::javaTimeMillis(); - { // don't use safepoint check because we might be the watcher thread. - MutexLockerEx ml(_sync, Mutex::_no_safepoint_check_flag); - while (!is_done()) { - status = _sync->wait(Mutex::_no_safepoint_check_flag, timeout); - - // status == true if timed out - if (status) break; - - // update timeout - jlong t2 = os::javaTimeMillis(); - timeout -= t2 - t1; - t1 = t2; - } - } - - // reset current_callback - osthread->remove_interrupt_callback(this); - - return status; -} - -void OSThread::Sync_Interrupt_Callback::leave_callback() { - if (!_sync->owned_by_self()) { - // notify requesting thread - MutexLockerEx ml(_sync, Mutex::_no_safepoint_check_flag); - _is_done = true; - _sync->notify_all(); - } else { - // Current thread is interrupted while it is holding the _sync lock, trying - // to grab it again will deadlock. The requester will timeout anyway, - // so just return. - _is_done = true; - } -} - // copied from synchronizer.cpp void OSThread::handle_spinlock_contention(int tries) { @@ -235,3 +65,60 @@ os::yield(); // Yield to threads of same or higher priority } } + +static void resume_clear_context(OSThread *osthread) { + osthread->set_ucontext(NULL); +} + +static void suspend_save_context(OSThread *osthread, ucontext_t* context) { + osthread->set_ucontext(context); +} + +void OSThread::SR_handler(Thread* thread, ucontext_t* uc) { + // Save and restore errno to avoid confusing native code with EINTR + // after sigsuspend. + int old_errno = errno; + + OSThread* osthread = thread->osthread(); + assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread"); + + os::SuspendResume::State current = osthread->sr.state(); + if (current == os::SuspendResume::SR_SUSPEND_REQUEST) { + suspend_save_context(osthread, uc); + + // attempt to switch the state, we assume we had a SUSPEND_REQUEST + os::SuspendResume::State state = osthread->sr.suspended(); + if (state == os::SuspendResume::SR_SUSPENDED) { + sigset_t suspend_set; // signals for sigsuspend() + + // get current set of blocked signals and unblock resume signal + thr_sigsetmask(SIG_BLOCK, NULL, &suspend_set); + sigdelset(&suspend_set, os::Solaris::SIGasync()); + + // wait here until we are resumed + while (1) { + sigsuspend(&suspend_set); + + os::SuspendResume::State result = osthread->sr.running(); + if (result == os::SuspendResume::SR_RUNNING) { + break; + } + } + + } else if (state == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else { + ShouldNotReachHere(); + } + + resume_clear_context(osthread); + } else if (current == os::SuspendResume::SR_RUNNING) { + // request was cancelled, continue + } else if (current == os::SuspendResume::SR_WAKEUP_REQUEST) { + // ignore + } else { + ShouldNotReachHere(); + } + + errno = old_errno; +}
--- a/src/os/solaris/vm/osThread_solaris.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/solaris/vm/osThread_solaris.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -72,61 +72,15 @@ // *************************************************************** public: - - class InterruptArguments : StackObj { - private: - Thread* _thread; // the thread to signal was dispatched to - ucontext_t* _ucontext; // the machine context at the time of the signal - - public: - InterruptArguments(Thread* thread, ucontext_t* ucontext) { - _thread = thread; - _ucontext = ucontext; - } - - Thread* thread() const { return _thread; } - ucontext_t* ucontext() const { return _ucontext; } - }; - - // There are currently no asynchronous callbacks - and we'd better not - // support them in the future either, as they need to be deallocated from - // the interrupt handler, which is not safe; they also require locks to - // protect the callback queue. - - class Sync_Interrupt_Callback : private StackObj { - protected: - volatile bool _is_done; - Monitor* _sync; - Thread* _target; - public: - Sync_Interrupt_Callback(Monitor * sync) { - _is_done = false; _target = NULL; _sync = sync; - } - - bool is_done() const { return _is_done; } - Thread* target() const { return _target; } - - int interrupt(Thread * target, int timeout); - - // override to implement the callback. - virtual void execute(InterruptArguments *args) = 0; - - void leave_callback(); - }; + os::SuspendResume sr; private: - - Sync_Interrupt_Callback * volatile _current_callback; - enum { - callback_in_progress = 1 - }; - Mutex * _current_callback_lock; // only used on v8 + ucontext_t* _ucontext; public: - - int set_interrupt_callback (Sync_Interrupt_Callback * cb); - void remove_interrupt_callback(Sync_Interrupt_Callback * cb); - void do_interrupt_callbacks_at_interrupt(InterruptArguments *args); + ucontext_t* ucontext() const { return _ucontext; } + void set_ucontext(ucontext_t* ptr) { _ucontext = ptr; } + static void SR_handler(Thread* thread, ucontext_t* uc); // *************************************************************** // java.lang.Thread.interrupt state.
--- a/src/os/solaris/vm/os_share_solaris.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/solaris/vm/os_share_solaris.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -27,28 +27,6 @@ // Defines the interfaces to Solaris operating systems that vary across platforms - -// This is a simple callback that just fetches a PC for an interrupted thread. -// The thread need not be suspended and the fetched PC is just a hint. -// Returned PC and nPC are not necessarily consecutive. -// This one is currently used for profiling the VMThread ONLY! - -// Must be synchronous -class GetThreadPC_Callback : public OSThread::Sync_Interrupt_Callback { - private: - ExtendedPC _addr; - - public: - - GetThreadPC_Callback(Monitor *sync) : - OSThread::Sync_Interrupt_Callback(sync) { } - ExtendedPC addr() const { return _addr; } - - void set_addr(ExtendedPC addr) { _addr = addr; } - - void execute(OSThread::InterruptArguments *args); -}; - // misc extern "C" { void signalHandler(int, siginfo_t*, void*);
--- a/src/os/solaris/vm/os_solaris.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/solaris/vm/os_solaris.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -4259,6 +4259,127 @@ return buf[0] == 'y' || buf[0] == 'Y'; } +static int sr_notify(OSThread* osthread) { + int status = thr_kill(osthread->thread_id(), os::Solaris::SIGasync()); + assert_status(status == 0, status, "thr_kill"); + return status; +} + +// "Randomly" selected value for how long we want to spin +// before bailing out on suspending a thread, also how often +// we send a signal to a thread we want to resume +static const int RANDOMLY_LARGE_INTEGER = 1000000; +static const int RANDOMLY_LARGE_INTEGER2 = 100; + +static bool do_suspend(OSThread* osthread) { + assert(osthread->sr.is_running(), "thread should be running"); + // mark as suspended and send signal + + if (osthread->sr.request_suspend() != os::SuspendResume::SR_SUSPEND_REQUEST) { + // failed to switch, state wasn't running? + ShouldNotReachHere(); + return false; + } + + if (sr_notify(osthread) != 0) { + // try to cancel, switch to running + + os::SuspendResume::State result = osthread->sr.cancel_suspend(); + if (result == os::SuspendResume::SR_RUNNING) { + // cancelled + return false; + } else if (result == os::SuspendResume::SR_SUSPENDED) { + // somehow managed to suspend + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + + // managed to send the signal and switch to SUSPEND_REQUEST, now wait for SUSPENDED + + for (int n = 0; !osthread->sr.is_suspended(); n++) { + for (int i = 0; i < RANDOMLY_LARGE_INTEGER2 && !osthread->sr.is_suspended(); i++) { + os::yield_all(i); + } + + // timeout, try to cancel the request + if (n >= RANDOMLY_LARGE_INTEGER) { + os::SuspendResume::State cancelled = osthread->sr.cancel_suspend(); + if (cancelled == os::SuspendResume::SR_RUNNING) { + return false; + } else if (cancelled == os::SuspendResume::SR_SUSPENDED) { + return true; + } else { + ShouldNotReachHere(); + return false; + } + } + } + + guarantee(osthread->sr.is_suspended(), "Must be suspended"); + return true; +} + +static void do_resume(OSThread* osthread) { + assert(osthread->sr.is_suspended(), "thread should be suspended"); + + if (osthread->sr.request_wakeup() != os::SuspendResume::SR_WAKEUP_REQUEST) { + // failed to switch to WAKEUP_REQUEST + ShouldNotReachHere(); + return; + } + + while (!osthread->sr.is_running()) { + if (sr_notify(osthread) == 0) { + for (int n = 0; n < RANDOMLY_LARGE_INTEGER && !osthread->sr.is_running(); n++) { + for (int i = 0; i < 100 && !osthread->sr.is_running(); i++) { + os::yield_all(i); + } + } + } else { + ShouldNotReachHere(); + } + } + + guarantee(osthread->sr.is_running(), "Must be running!"); +} + +void os::SuspendedThreadTask::internal_do_task() { + if (do_suspend(_thread->osthread())) { + SuspendedThreadTaskContext context(_thread, _thread->osthread()->ucontext()); + do_task(context); + do_resume(_thread->osthread()); + } +} + +class PcFetcher : public os::SuspendedThreadTask { +public: + PcFetcher(Thread* thread) : os::SuspendedThreadTask(thread) {} + ExtendedPC result(); +protected: + void do_task(const os::SuspendedThreadTaskContext& context); +private: + ExtendedPC _epc; +}; + +ExtendedPC PcFetcher::result() { + guarantee(is_done(), "task is not done yet."); + return _epc; +} + +void PcFetcher::do_task(const os::SuspendedThreadTaskContext& context) { + Thread* thread = context.thread(); + OSThread* osthread = thread->osthread(); + if (osthread->ucontext() != NULL) { + _epc = os::Solaris::ucontext_get_pc((ucontext_t *) context.ucontext()); + } else { + // NULL context is unexpected, double-check this is the VMThread + guarantee(thread->is_VM_thread(), "can only be called for VMThread"); + } +} + // A lightweight implementation that does not suspend the target thread and // thus returns only a hint. Used for profiling only! ExtendedPC os::get_thread_pc(Thread* thread) { @@ -4266,21 +4387,9 @@ assert(Thread::current()->is_Watcher_thread(), "Must be watcher and own Threads_lock"); // For now, is only used to profile the VM Thread assert(thread->is_VM_thread(), "Can only be called for VMThread"); - ExtendedPC epc; - - GetThreadPC_Callback cb(ProfileVM_lock); - OSThread *osthread = thread->osthread(); - const int time_to_wait = 400; // 400ms wait for initial response - int status = cb.interrupt(thread, time_to_wait); - - if (cb.is_done() ) { - epc = cb.addr(); - } else { - DEBUG_ONLY(tty->print_cr("Failed to get pc for thread: %d got %d status", - osthread->thread_id(), status);); - // epc is already NULL - } - return epc; + PcFetcher fetcher(thread); + fetcher.run(); + return fetcher.result(); }
--- a/src/os/solaris/vm/os_solaris.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/solaris/vm/os_solaris.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -145,6 +145,7 @@ static intptr_t* ucontext_get_sp(ucontext_t* uc); // ucontext_get_fp() is only used by Solaris X86 (see note below) static intptr_t* ucontext_get_fp(ucontext_t* uc); + static address ucontext_get_pc(ucontext_t* uc); // For Analyzer Forte AsyncGetCallTrace profiling support: // Parameter ret_fp is only used by Solaris X86.
--- a/src/os/windows/vm/os_windows.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os/windows/vm/os_windows.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -4965,6 +4965,71 @@ return ::setsockopt(fd, level, optname, optval, optlen); } +// WINDOWS CONTEXT Flags for THREAS_SAMPLING +#if defined(IA32) +# define sampling_context_flags (CONTEXT_FULL | CONTEXT_FLOATING_POINT | CONTEXT_EXTENDED_REGISTERS) +#elif defined (AMD64) +# define sampling_context_flags (CONTEXT_FULL | CONTEXT_FLOATING_POINT) +#endif + +// returns true if thread could be suspended, +// false otherwise +static bool do_suspend(HANDLE* h) { + if (h != NULL) { + if (SuspendThread(*h) != ~0) { + return true; + } + } + return false; +} + +// resume the thread +// calling resume on an active thread is a no-op +static void do_resume(HANDLE* h) { + if (h != NULL) { + ResumeThread(*h); + } +} + +// retrieve a suspend/resume context capable handle +// from the tid. Caller validates handle return value. +void get_thread_handle_for_extended_context(HANDLE* h, OSThread::thread_id_t tid) { + if (h != NULL) { + *h = OpenThread(THREAD_SUSPEND_RESUME | THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION, FALSE, tid); + } +} + +// +// Thread sampling implementation +// +void os::SuspendedThreadTask::internal_do_task() { + CONTEXT ctxt; + HANDLE h = NULL; + + // get context capable handle for thread + get_thread_handle_for_extended_context(&h, _thread->osthread()->thread_id()); + + // sanity + if (h == NULL || h == INVALID_HANDLE_VALUE) { + return; + } + + // suspend the thread + if (do_suspend(&h)) { + ctxt.ContextFlags = sampling_context_flags; + // get thread context + GetThreadContext(h, &ctxt); + SuspendedThreadTaskContext context(_thread, &ctxt); + // pass context to Thread Sampling impl + do_task(context); + // resume thread + do_resume(&h); + } + + // close handle + CloseHandle(h); +} + // Kernel32 API typedef SIZE_T (WINAPI* GetLargePageMinimum_Fn)(void);
--- a/src/os_cpu/bsd_x86/vm/thread_bsd_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/bsd_x86/vm/thread_bsd_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -30,10 +30,16 @@ // currently interrupted by SIGPROF bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava) { + assert(Thread::current() == this, "caller must be current thread"); + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} - assert(Thread::current() == this, "caller must be current thread"); +bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) { + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) { assert(this->is_Java_thread(), "must be JavaThread"); - JavaThread* jt = (JavaThread *)this; // If we have a last_Java_frame, then we should use it even if
--- a/src/os_cpu/bsd_x86/vm/thread_bsd_x86.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/bsd_x86/vm/thread_bsd_x86.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -61,6 +61,13 @@ bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); + bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, + bool isInJava); + +private: + bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava); +public: + // These routines are only used on cpu architectures that // have separate register stacks (Itanium). static bool register_stack_overflow() { return false; }
--- a/src/os_cpu/linux_x86/vm/thread_linux_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/linux_x86/vm/thread_linux_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -32,8 +32,15 @@ void* ucontext, bool isInJava) { assert(Thread::current() == this, "caller must be current thread"); + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) { + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) { assert(this->is_Java_thread(), "must be JavaThread"); - JavaThread* jt = (JavaThread *)this; // If we have a last_Java_frame, then we should use it even if
--- a/src/os_cpu/linux_x86/vm/thread_linux_x86.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/linux_x86/vm/thread_linux_x86.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -61,6 +61,11 @@ bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); + bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava); +private: + bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava); +public: + // These routines are only used on cpu architectures that // have separate register stacks (Itanium). static bool register_stack_overflow() { return false; }
--- a/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -194,6 +194,11 @@ return NULL; } +address os::Solaris::ucontext_get_pc(ucontext_t *uc) { + return (address) uc->uc_mcontext.gregs[REG_PC]; +} + + // For Forte Analyzer AsyncGetCallTrace profiling support - thread // is currently interrupted by SIGPROF. // @@ -265,22 +270,6 @@ } } - -void GetThreadPC_Callback::execute(OSThread::InterruptArguments *args) { - Thread* thread = args->thread(); - ucontext_t* uc = args->ucontext(); - intptr_t* sp; - - assert(ProfileVM && thread->is_VM_thread(), "just checking"); - - // Skip the mcontext corruption verification. If if occasionally - // things get corrupt, it is ok for profiling - we will just get an unresolved - // function name - ExtendedPC new_addr((address)uc->uc_mcontext.gregs[REG_PC]); - _addr = new_addr; -} - - static int threadgetstate(thread_t tid, int *flags, lwpid_t *lwp, stack_t *ss, gregset_t rs, lwpstatus_t *lwpstatus) { char lwpstatusfile[PROCFILE_LENGTH]; int lwpfd, err; @@ -358,13 +347,8 @@ guarantee(sig != os::Solaris::SIGinterrupt(), "Can not chain VM interrupt signal, try -XX:+UseAltSigs"); if (sig == os::Solaris::SIGasync()) { - if (thread) { - OSThread::InterruptArguments args(thread, uc); - thread->osthread()->do_interrupt_callbacks_at_interrupt(&args); - return true; - } else if (vmthread) { - OSThread::InterruptArguments args(vmthread, uc); - vmthread->osthread()->do_interrupt_callbacks_at_interrupt(&args); + if (thread || vmthread) { + OSThread::SR_handler(t, uc); return true; } else if (os::Solaris::chained_handler(sig, info, ucVoid)) { return true;
--- a/src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,11 +36,21 @@ void* ucontext, bool isInJava) { assert(Thread::current() == this, "caller must be current thread"); + return pd_get_top_frame(fr_addr, ucontext, isInJava, true); +} + +bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) { + // get ucontext somehow + return pd_get_top_frame(fr_addr, ucontext, isInJava, false); +} + +bool JavaThread::pd_get_top_frame(frame* fr_addr, + void* ucontext, bool isInJava, bool makeWalkable) { assert(this->is_Java_thread(), "must be JavaThread"); JavaThread* jt = (JavaThread *)this; - if (!isInJava) { + if (!isInJava && makeWalkable) { // make_walkable flushes register windows and grabs last_Java_pc // which can not be done if the ucontext sp matches last_Java_sp // stack walking utilities assume last_Java_pc set if marked flushed
--- a/src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -93,6 +93,11 @@ bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); + bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava); +private: + bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava, bool makeWalkable); +public: + // These routines are only used on cpu architectures that // have separate register stacks (Itanium). static bool register_stack_overflow() { return false; }
--- a/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -184,6 +184,10 @@ return (intptr_t*)uc->uc_mcontext.gregs[REG_FP]; } +address os::Solaris::ucontext_get_pc(ucontext_t *uc) { + return (address) uc->uc_mcontext.gregs[REG_PC]; +} + // For Forte Analyzer AsyncGetCallTrace profiling support - thread // is currently interrupted by SIGPROF. // @@ -253,22 +257,6 @@ } } -// This is a simple callback that just fetches a PC for an interrupted thread. -// The thread need not be suspended and the fetched PC is just a hint. -// This one is currently used for profiling the VMThread ONLY! - -// Must be synchronous -void GetThreadPC_Callback::execute(OSThread::InterruptArguments *args) { - Thread* thread = args->thread(); - ucontext_t* uc = args->ucontext(); - intptr_t* sp; - - assert(ProfileVM && thread->is_VM_thread(), "just checking"); - - ExtendedPC new_addr((address)uc->uc_mcontext.gregs[REG_PC]); - _addr = new_addr; -} - static int threadgetstate(thread_t tid, int *flags, lwpid_t *lwp, stack_t *ss, gregset_t rs, lwpstatus_t *lwpstatus) { char lwpstatusfile[PROCFILE_LENGTH]; int lwpfd, err; @@ -420,14 +408,8 @@ guarantee(sig != os::Solaris::SIGinterrupt(), "Can not chain VM interrupt signal, try -XX:+UseAltSigs"); if (sig == os::Solaris::SIGasync()) { - if(thread){ - OSThread::InterruptArguments args(thread, uc); - thread->osthread()->do_interrupt_callbacks_at_interrupt(&args); - return true; - } - else if(vmthread){ - OSThread::InterruptArguments args(vmthread, uc); - vmthread->osthread()->do_interrupt_callbacks_at_interrupt(&args); + if(thread || vmthread){ + OSThread::SR_handler(t, uc); return true; } else if (os::Solaris::chained_handler(sig, info, ucVoid)) { return true;
--- a/src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -30,8 +30,17 @@ // currently interrupted by SIGPROF bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava) { + assert(Thread::current() == this, "caller must be current thread"); + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} - assert(Thread::current() == this, "caller must be current thread"); +bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, + void* ucontext, bool isInJava) { + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame(frame* fr_addr, + void* ucontext, bool isInJava) { assert(this->is_Java_thread(), "must be JavaThread"); JavaThread* jt = (JavaThread *)this;
--- a/src/os_cpu/solaris_x86/vm/thread_solaris_x86.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/solaris_x86/vm/thread_solaris_x86.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -54,6 +54,12 @@ bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); + bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, + bool isInJava); +private: + bool pd_get_top_frame(frame* fr_addr, void* ucontext, + bool isInJava); +public: // These routines are only used on cpu architectures that // have separate register stacks (Itanium).
--- a/src/os_cpu/windows_x86/vm/thread_windows_x86.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/windows_x86/vm/thread_windows_x86.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -32,6 +32,16 @@ void* ucontext, bool isInJava) { assert(Thread::current() == this, "caller must be current thread"); + assert(Thread::current() == this, "caller must be current thread"); + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) { + return pd_get_top_frame(fr_addr, ucontext, isInJava); +} + +bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) { + assert(this->is_Java_thread(), "must be JavaThread"); JavaThread* jt = (JavaThread *)this; @@ -88,3 +98,5 @@ void JavaThread::cache_global_variables() { } + +
--- a/src/os_cpu/windows_x86/vm/thread_windows_x86.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/os_cpu/windows_x86/vm/thread_windows_x86.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -58,6 +58,12 @@ bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); + bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava); + +private: + bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava); + + public: // These routines are only used on cpu architectures that // have separate register stacks (Itanium). static bool register_stack_overflow() { return false; }
--- a/src/share/tools/ProjectCreator/BuildConfig.java Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/tools/ProjectCreator/BuildConfig.java Thu Jan 17 03:37:13 2013 -0800 @@ -150,7 +150,7 @@ sysDefines.add("_WINDOWS"); sysDefines.add("HOTSPOT_BUILD_USER=\\\""+System.getProperty("user.name")+"\\\""); sysDefines.add("HOTSPOT_BUILD_TARGET=\\\""+get("Build")+"\\\""); - sysDefines.add("INCLUDE_TRACE"); + sysDefines.add("INCLUDE_TRACE=1"); sysDefines.add("_JNI_IMPLEMENTATION_"); if (vars.get("PlatformName").equals("Win32")) { sysDefines.add("HOTSPOT_LIB_ARCH=\\\"i386\\\"");
--- a/src/share/vm/classfile/classFileParser.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/classfile/classFileParser.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,7 @@ #include "memory/allocation.hpp" #include "memory/gcLocker.hpp" #include "memory/oopFactory.hpp" +#include "memory/referenceType.hpp" #include "memory/universe.inline.hpp" #include "oops/constantPoolOop.hpp" #include "oops/fieldStreams.hpp"
--- a/src/share/vm/classfile/javaClasses.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/classfile/javaClasses.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -930,7 +930,7 @@ // Read thread status value from threadStatus field in java.lang.Thread java class. java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { - assert(Thread::current()->is_VM_thread() || + assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() || JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); // The threadStatus is only present starting in 1.5
--- a/src/share/vm/classfile/systemDictionary.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/classfile/systemDictionary.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -54,6 +54,7 @@ #include "runtime/signature.hpp" #include "services/classLoadingService.hpp" #include "services/threadService.hpp" +#include "trace/traceMacros.hpp" Dictionary* SystemDictionary::_dictionary = NULL;
--- a/src/share/vm/code/codeCache.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/code/codeCache.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -23,6 +23,7 @@ */ #include "precompiled.hpp" +#include "classfile/javaClasses.hpp" #include "code/codeBlob.hpp" #include "code/codeCache.hpp" #include "code/dependencies.hpp" @@ -41,6 +42,7 @@ #include "runtime/java.hpp" #include "runtime/mutexLocker.hpp" #include "services/memoryService.hpp" +#include "trace/tracing.hpp" #include "utilities/xmlstream.hpp" // Helper class for printing in CodeCache @@ -106,7 +108,6 @@ } }; - // CodeCache implementation CodeHeap * CodeCache::_heap = new CodeHeap(); @@ -118,6 +119,7 @@ nmethod* CodeCache::_scavenge_root_nmethods = NULL; nmethod* CodeCache::_saved_nmethods = NULL; +int CodeCache::_codemem_full_count = 0; CodeBlob* CodeCache::first() { assert_locked_or_safepoint(CodeCache_lock); @@ -773,6 +775,23 @@ } } +void CodeCache::report_codemem_full() { + _codemem_full_count++; + EventCodeCacheFull event; + if (event.should_commit()) { + event.set_startAddress((u8)low_bound()); + event.set_commitedTopAddress((u8)high()); + event.set_reservedTopAddress((u8)high_bound()); + event.set_entryCount(nof_blobs()); + event.set_methodCount(nof_nmethods()); + event.set_adaptorCount(nof_adapters()); + event.set_unallocatedCapacity(unallocated_capacity()/K); + event.set_largestFreeBlock(largest_free_block()); + event.set_fullCount(_codemem_full_count); + event.commit(); + } +} + //------------------------------------------------------------------------------------------------ // Non-product version
--- a/src/share/vm/code/codeCache.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/code/codeCache.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -64,11 +64,15 @@ static void mark_scavenge_root_nmethods() PRODUCT_RETURN; static void verify_perm_nmethods(CodeBlobClosure* f_or_null) PRODUCT_RETURN; + static int _codemem_full_count; + public: // Initialization static void initialize(); + static void report_codemem_full(); + // Allocation/administration static CodeBlob* allocate(int size); // allocates a new CodeBlob static void commit(CodeBlob* cb); // called when the allocated CodeBlob has been filled @@ -156,6 +160,7 @@ // The full limits of the codeCache static address low_bound() { return (address) _heap->low_boundary(); } static address high_bound() { return (address) _heap->high_boundary(); } + static address high() { return (address) _heap->high(); } // Profiling static address first_address(); // first address used for CodeBlobs @@ -187,6 +192,8 @@ // tells how many nmethods have dependencies static int number_of_nmethods_with_dependencies(); + + static int get_codemem_full_count() { return _codemem_full_count; } }; #endif // SHARE_VM_CODE_CODECACHE_HPP
--- a/src/share/vm/compiler/compileBroker.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/compiler/compileBroker.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -43,6 +43,7 @@ #include "runtime/os.hpp" #include "runtime/sharedRuntime.hpp" #include "runtime/sweeper.hpp" +#include "trace/tracing.hpp" #include "utilities/dtrace.hpp" #include "utilities/events.hpp" #ifdef COMPILER1 @@ -183,9 +184,11 @@ int CompileBroker::_sum_nmethod_size = 0; int CompileBroker::_sum_nmethod_code_size = 0; -CompileQueue* CompileBroker::_c2_method_queue = NULL; -CompileQueue* CompileBroker::_c1_method_queue = NULL; -CompileTask* CompileBroker::_task_free_list = NULL; +long CompileBroker::_peak_compilation_time = 0; + +CompileQueue* CompileBroker::_c2_method_queue = NULL; +CompileQueue* CompileBroker::_c1_method_queue = NULL; +CompileTask* CompileBroker::_task_free_list = NULL; GrowableArray<CompilerThread*>* CompileBroker::_method_threads = NULL; @@ -1769,6 +1772,7 @@ ciMethod* target = ci_env.get_method_from_handle(target_handle); TraceTime t1("compilation", &time); + EventCompilation event; compiler(task->comp_level())->compile_method(&ci_env, target, osr_bci); @@ -1803,6 +1807,16 @@ } } } + if (event.should_commit()) { + event.set_method(target->get_methodOop()); + event.set_compileID(compile_id); + event.set_compileLevel(task->comp_level()); + event.set_succeded(task->is_success()); + event.set_isOsr(is_osr); + event.set_codeSize((task->code() == NULL) ? 0 : task->code()->total_size()); + event.set_inlinedBytes(task->num_inlined_bytecodes()); + event.commit(); + } } pop_jni_handle_block(); @@ -1879,6 +1893,10 @@ warning("CodeCache is full. Compiler has been disabled."); warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize="); CodeCache::print_bounds(tty); + + CodeCache::report_codemem_full(); + + #ifndef PRODUCT if (CompileTheWorld || ExitOnFullCodeCache) { before_exit(JavaThread::current()); @@ -2034,8 +2052,10 @@ // java.lang.management.CompilationMBean _perf_total_compilation->inc(time.ticks()); + _t_total_compilation.add(time); + _peak_compilation_time = time.milliseconds() > _peak_compilation_time ? time.milliseconds() : _peak_compilation_time; + if (CITime) { - _t_total_compilation.add(time); if (is_osr) { _t_osr_compilation.add(time); _sum_osr_bytes_compiled += method->code_size() + task->num_inlined_bytecodes(); @@ -2121,7 +2141,6 @@ tty->print_cr(" nmethod total size : %6d bytes", CompileBroker::_sum_nmethod_size); } - // Debugging output for failure void CompileBroker::print_last_compile() { if ( _last_compile_level != CompLevel_none &&
--- a/src/share/vm/compiler/compileBroker.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/compiler/compileBroker.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -291,17 +291,17 @@ static elapsedTimer _t_osr_compilation; static elapsedTimer _t_standard_compilation; + static int _total_compile_count; static int _total_bailout_count; static int _total_invalidated_count; - static int _total_compile_count; static int _total_native_compile_count; static int _total_osr_compile_count; static int _total_standard_compile_count; - static int _sum_osr_bytes_compiled; static int _sum_standard_bytes_compiled; static int _sum_nmethod_size; static int _sum_nmethod_code_size; + static long _peak_compilation_time; static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); @@ -407,6 +407,19 @@ static void print_last_compile(); static void print_compiler_threads_on(outputStream* st); + + static int get_total_compile_count() { return _total_compile_count; } + static int get_total_bailout_count() { return _total_bailout_count; } + static int get_total_invalidated_count() { return _total_invalidated_count; } + static int get_total_native_compile_count() { return _total_native_compile_count; } + static int get_total_osr_compile_count() { return _total_osr_compile_count; } + static int get_total_standard_compile_count() { return _total_standard_compile_count; } + static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } + static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } + static int get_sum_nmethod_size() { return _sum_nmethod_size;} + static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } + static long get_peak_compilation_time() { return _peak_compilation_time; } + static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } }; #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,8 +36,12 @@ #include "gc_implementation/concurrentMarkSweep/vmCMSOperations.hpp" #include "gc_implementation/parNew/parNewGeneration.hpp" #include "gc_implementation/shared/collectorCounters.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "gc_interface/collectedHeap.inline.hpp" +#include "memory/allocation.hpp" #include "memory/cardTableRS.hpp" #include "memory/collectorPolicy.hpp" #include "memory/gcLocker.inline.hpp" @@ -597,7 +601,10 @@ _concurrent_cycles_since_last_unload(0), _roots_scanning_options(0), _inter_sweep_estimate(CMS_SweepWeight, CMS_SweepPadding), - _intra_sweep_estimate(CMS_SweepWeight, CMS_SweepPadding) + _intra_sweep_estimate(CMS_SweepWeight, CMS_SweepPadding), + _gc_tracer_cm(new (ResourceObj::C_HEAP, mtGC) CMSTracer()), + _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()), + _cms_start_registered(false) { if (ExplicitGCInvokesConcurrentAndUnloadsClasses) { ExplicitGCInvokesConcurrent = true; @@ -1970,7 +1977,14 @@ // a mark-sweep-compact. void CMSCollector::do_compaction_work(bool clear_all_soft_refs) { GenCollectedHeap* gch = GenCollectedHeap::heap(); - TraceTime t("CMS:MSC ", PrintGCDetails && Verbose, true, gclog_or_tty); + + STWGCTimer* gc_timer = GenMarkSweep::gc_timer(); + gc_timer->register_gc_start(os::elapsed_counter()); + + SerialOldTracer* gc_tracer = GenMarkSweep::gc_tracer(); + gc_tracer->report_gc_start(gch->gc_cause(), gc_timer->gc_start()); + + GCTraceTime t("CMS:MSC ", PrintGCDetails && Verbose, true, NULL); if (PrintGC && Verbose && !(GCCause::is_user_requested_gc(gch->gc_cause()))) { gclog_or_tty->print_cr("Compact ConcurrentMarkSweepGeneration after %d " "collections passed to foreground collector", _full_gcs_since_conc_gc); @@ -2062,6 +2076,10 @@ size_policy()->msc_collection_end(gch->gc_cause()); } + gc_timer->register_gc_end(os::elapsed_counter()); + + gc_tracer->report_gc_end(gc_timer->gc_end(), gc_timer->time_partitions()); + // For a mark-sweep-compact, compute_new_size() will be called // in the heap's do_collection() method. } @@ -2267,6 +2285,7 @@ { ReleaseForegroundGC x(this); stats().record_cms_begin(); + register_gc_start(); VM_CMS_Initial_Mark initial_mark_op(this); VMThread::execute(&initial_mark_op); @@ -2402,6 +2421,21 @@ } } +void CMSCollector::register_gc_start() { + _cms_start_registered = true; + CollectedHeap* heap = GenCollectedHeap::heap(); + _gc_timer_cm->register_gc_start(os::elapsed_counter()); + _gc_tracer_cm->report_gc_start(heap->gc_cause(), _gc_timer_cm->gc_start()); +} + +void CMSCollector::register_gc_end() { + if (_cms_start_registered) { + _gc_timer_cm->register_gc_end(os::elapsed_counter()); + _gc_tracer_cm->report_gc_end(_gc_timer_cm->gc_end(), _gc_timer_cm->time_partitions()); + _cms_start_registered = false; + } +} + void CMSCollector::collect_in_foreground(bool clear_all_soft_refs) { assert(_foregroundGCIsActive && !_foregroundGCShouldWait, "Foreground collector should be waiting, not executing"); @@ -2410,8 +2444,8 @@ assert(ConcurrentMarkSweepThread::vm_thread_has_cms_token(), "VM thread should have CMS token"); - NOT_PRODUCT(TraceTime t("CMS:MS (foreground) ", PrintGCDetails && Verbose, - true, gclog_or_tty);) + NOT_PRODUCT(GCTraceTime t("CMS:MS (foreground) ", PrintGCDetails && Verbose, + true, NULL);) if (UseAdaptiveSizePolicy) { size_policy()->ms_collection_begin(); } @@ -2435,6 +2469,7 @@ } switch (_collectorState) { case InitialMarking: + register_gc_start(); init_mark_was_synchronous = true; // fact to be exploited in re-mark checkpointRootsInitial(false); assert(_collectorState == Marking, "Collector state should have changed" @@ -3516,8 +3551,8 @@ // CMS collection cycle. setup_cms_unloading_and_verification_state(); - NOT_PRODUCT(TraceTime t("\ncheckpointRootsInitialWork", - PrintGCDetails && Verbose, true, gclog_or_tty);) + NOT_PRODUCT(GCTraceTime t("\ncheckpointRootsInitialWork", + PrintGCDetails && Verbose, true, _gc_timer_cm);) if (UseAdaptiveSizePolicy) { size_policy()->checkpoint_roots_initial_begin(); } @@ -4526,9 +4561,10 @@ // The code in this method may need further // tweaking for better performance and some restructuring // for cleaner interfaces. + GCTimer *gc_timer = NULL; // Currently not tracing concurrent phases rp->preclean_discovered_references( rp->is_alive_non_header(), &keep_alive, &complete_trace, - &yield_cl, should_unload_classes()); + &yield_cl, should_unload_classes(), gc_timer); } if (clean_survivor) { // preclean the active survivor space(s) @@ -4861,8 +4897,8 @@ // Temporarily set flag to false, GCH->do_collection will // expect it to be false and set to true FlagSetting fl(gch->_is_gc_active, false); - NOT_PRODUCT(TraceTime t("Scavenge-Before-Remark", - PrintGCDetails && Verbose, true, gclog_or_tty);) + NOT_PRODUCT(GCTraceTime t("Scavenge-Before-Remark", + PrintGCDetails && Verbose, true, _gc_timer_cm);) int level = _cmsGen->level() - 1; if (level >= 0) { gch->do_collection(true, // full (i.e. force, see below) @@ -4891,7 +4927,7 @@ void CMSCollector::checkpointRootsFinalWork(bool asynch, bool clear_all_soft_refs, bool init_mark_was_synchronous) { - NOT_PRODUCT(TraceTime tr("checkpointRootsFinalWork", PrintGCDetails, false, gclog_or_tty);) + NOT_PRODUCT(GCTraceTime tr("checkpointRootsFinalWork", PrintGCDetails, false, _gc_timer_cm);) assert(haveFreelistLocks(), "must have free list locks"); assert_lock_strong(bitMapLock()); @@ -4943,11 +4979,11 @@ // the most recent young generation GC, minus those cleaned up by the // concurrent precleaning. if (CMSParallelRemarkEnabled && CollectedHeap::use_parallel_gc_threads()) { - TraceTime t("Rescan (parallel) ", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("Rescan (parallel) ", PrintGCDetails, false, _gc_timer_cm); do_remark_parallel(); } else { - TraceTime t("Rescan (non-parallel) ", PrintGCDetails, false, - gclog_or_tty); + GCTraceTime t("Rescan (non-parallel) ", PrintGCDetails, false, + _gc_timer_cm); do_remark_non_parallel(); } } @@ -4960,7 +4996,7 @@ verify_overflow_empty(); { - NOT_PRODUCT(TraceTime ts("refProcessingWork", PrintGCDetails, false, gclog_or_tty);) + NOT_PRODUCT(GCTraceTime ts("refProcessingWork", PrintGCDetails, false, _gc_timer_cm);) refProcessingWork(asynch, clear_all_soft_refs); } verify_work_stacks_empty(); @@ -5610,7 +5646,7 @@ &_markBitMap, &_markStack, &_revisitStack, &mrias_cl); { - TraceTime t("grey object rescan", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("grey object rescan", PrintGCDetails, false, _gc_timer_cm); // Iterate over the dirty cards, setting the corresponding bits in the // mod union table. { @@ -5665,7 +5701,7 @@ Universe::verify(); } { - TraceTime t("root rescan", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("root rescan", PrintGCDetails, false, _gc_timer_cm); verify_work_stacks_empty(); @@ -5874,7 +5910,7 @@ _span, &_markBitMap, &_markStack, &cmsKeepAliveClosure, false /* !preclean */); { - TraceTime t("weak refs processing", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("weak refs processing", PrintGCDetails, false, _gc_timer_cm); if (rp->processing_is_mt()) { // Set the degree of MT here. If the discovery is done MT, there // may have been a different number of threads doing the discovery @@ -5896,19 +5932,21 @@ rp->process_discovered_references(&_is_alive_closure, &cmsKeepAliveClosure, &cmsDrainMarkingStackClosure, - &task_executor); + &task_executor, + _gc_timer_cm); } else { rp->process_discovered_references(&_is_alive_closure, &cmsKeepAliveClosure, &cmsDrainMarkingStackClosure, - NULL); + NULL, + _gc_timer_cm); } verify_work_stacks_empty(); } if (should_unload_classes()) { { - TraceTime t("class unloading", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("class unloading", PrintGCDetails, false, _gc_timer_cm); // Follow SystemDictionary roots and unload classes bool purged_class = SystemDictionary::do_unloading(&_is_alive_closure); @@ -5938,14 +5976,14 @@ } { - TraceTime t("scrub symbol table", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("scrub symbol table", PrintGCDetails, false, _gc_timer_cm); // Clean up unreferenced symbols in symbol table. SymbolTable::unlink(); } } if (should_unload_classes() || !JavaObjectsInPerm) { - TraceTime t("scrub string table", PrintGCDetails, false, gclog_or_tty); + GCTraceTime t("scrub string table", PrintGCDetails, false, _gc_timer_cm); // Now clean up stale oops in StringTable StringTable::unlink(&_is_alive_closure); } @@ -6319,12 +6357,14 @@ _cmsGen->rotate_debug_collection_type(); } ) + + register_gc_end(); } void CMSCollector::do_CMS_operation(CMS_op_type op, GCCause::Cause gc_cause) { gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); - TraceTime t(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty); + GCTraceTime t(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL); TraceCollectorStats tcs(counters()); switch (op) {
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -53,6 +53,8 @@ class CMSAdaptiveSizePolicy; class CMSConcMarkingTask; class CMSGCAdaptivePolicyCounters; +class CMSTracer; +class ConcurrentGCTimer; class ConcurrentMarkSweepGeneration; class ConcurrentMarkSweepPolicy; class ConcurrentMarkSweepThread; @@ -60,6 +62,7 @@ class FreeChunk; class PromotionInfo; class ScanMarkedObjectsAgainCarefullyClosure; +class SerialOldTracer; // A generic CMS bit map. It's the basis for both the CMS marking bit map // as well as for the mod union table (in each case only a subset of the @@ -608,6 +611,13 @@ AdaptivePaddedAverage _inter_sweep_estimate; AdaptivePaddedAverage _intra_sweep_estimate; + CMSTracer* _gc_tracer_cm; + ConcurrentGCTimer* _gc_timer_cm; + + bool _cms_start_registered; + void register_gc_start(); + void register_gc_end(); + protected: ConcurrentMarkSweepGeneration* _cmsGen; // old gen (CMS) ConcurrentMarkSweepGeneration* _permGen; // perm gen
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -26,9 +26,12 @@ #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.inline.hpp" #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" #include "gc_implementation/concurrentMarkSweep/vmCMSOperations.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "memory/gcLocker.inline.hpp" #include "runtime/interfaceSupport.hpp" +#include "runtime/os.hpp" #include "utilities/dtrace.hpp" @@ -60,6 +63,7 @@ void VM_CMS_Operation::verify_before_gc() { if (VerifyBeforeGC && GenCollectedHeap::heap()->total_collections() >= VerifyGCStartAt) { + GCTraceTime tm("Verify Before", false, false, _collector->_gc_timer_cm); HandleMark hm; FreelistLocker x(_collector); MutexLockerEx y(_collector->bitMapLock(), Mutex::_no_safepoint_check_flag); @@ -71,6 +75,7 @@ void VM_CMS_Operation::verify_after_gc() { if (VerifyAfterGC && GenCollectedHeap::heap()->total_collections() >= VerifyGCStartAt) { + GCTraceTime tm("Verify After", false, false, _collector->_gc_timer_cm); HandleMark hm; FreelistLocker x(_collector); MutexLockerEx y(_collector->bitMapLock(), Mutex::_no_safepoint_check_flag); @@ -140,6 +145,8 @@ ); #endif /* USDT2 */ + _collector->_gc_timer_cm->register_gc_pause_start("Initial Mark", os::elapsed_counter()); + GenCollectedHeap* gch = GenCollectedHeap::heap(); GCCauseSetter gccs(gch, GCCause::_cms_initial_mark); @@ -149,6 +156,9 @@ _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsInitial, gch->gc_cause()); VM_CMS_Operation::verify_after_gc(); + + _collector->_gc_timer_cm->register_gc_pause_end(os::elapsed_counter()); + #ifndef USDT2 HS_DTRACE_PROBE(hs_private, cms__initmark__end); #else /* USDT2 */ @@ -172,6 +182,8 @@ ); #endif /* USDT2 */ + _collector->_gc_timer_cm->register_gc_pause_start("Final Mark", os::elapsed_counter()); + GenCollectedHeap* gch = GenCollectedHeap::heap(); GCCauseSetter gccs(gch, GCCause::_cms_final_remark); @@ -181,6 +193,9 @@ _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsFinal, gch->gc_cause()); VM_CMS_Operation::verify_after_gc(); + + _collector->_gc_timer_cm->register_gc_pause_end(os::elapsed_counter()); + #ifndef USDT2 HS_DTRACE_PROBE(hs_private, cms__remark__end); #else /* USDT2 */
--- a/src/share/vm/gc_implementation/g1/concurrentMark.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/concurrentMark.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,6 +36,8 @@ #include "gc_implementation/g1/heapRegionRemSet.hpp" #include "gc_implementation/g1/heapRegionSeq.inline.hpp" #include "gc_implementation/shared/vmGCOperations.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "memory/genOopClosures.inline.hpp" #include "memory/referencePolicy.hpp" #include "memory/resourceArea.hpp" @@ -1973,6 +1975,7 @@ } g1h->verify_region_sets_optional(); + g1h->trace_heap_after_concurrent_cycle(); } void ConcurrentMark::completeCleanup() { @@ -2284,7 +2287,7 @@ if (G1Log::finer()) { gclog_or_tty->put(' '); } - TraceTime t("GC ref-proc", G1Log::finer(), false, gclog_or_tty); + GCTraceTime t("GC ref-proc", G1Log::finer(), false, g1h->gc_timer_cm()); ReferenceProcessor* rp = g1h->ref_processor_cm(); @@ -2318,7 +2321,8 @@ rp->process_discovered_references(&g1_is_alive, &g1_keep_alive, &g1_drain_mark_stack, - &par_task_executor); + &par_task_executor, + g1h->gc_timer_cm()); // The work routines of the parallel keep_alive and drain_marking_stack // will set the has_overflown flag if we overflow the global marking @@ -2327,7 +2331,8 @@ rp->process_discovered_references(&g1_is_alive, &g1_keep_alive, &g1_drain_mark_stack, - NULL); + NULL, + g1h->gc_timer_cm()); } assert(_markStack.overflow() || _markStack.isEmpty(), @@ -3076,6 +3081,9 @@ satb_mq_set.set_active_all_threads( false, /* new active value */ satb_mq_set.is_active() /* expected_active */); + + _g1h->trace_heap_after_concurrent_cycle(); + _g1h->register_concurrent_cycle_end(); } static void print_ms_time_info(const char* prefix, const char* name,
--- a/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -93,7 +93,6 @@ ResourceMark rm; HandleMark hm; double cycle_start = os::elapsedVTime(); - char verbose_str[128]; // We have to ensure that we finish scanning the root regions // before the next GC takes place. To ensure this we have to @@ -155,8 +154,7 @@ } CMCheckpointRootsFinalClosure final_cl(_cm); - sprintf(verbose_str, "GC remark"); - VM_CGC_Operation op(&final_cl, verbose_str, true /* needs_pll */); + VM_CGC_Operation op(&final_cl, "GC remark", true /* needs_pll */); VMThread::execute(&op); } if (cm()->restart_for_overflow() && @@ -189,8 +187,7 @@ } CMCleanUp cl_cl(_cm); - sprintf(verbose_str, "GC cleanup"); - VM_CGC_Operation op(&cl_cl, verbose_str, false /* needs_pll */); + VM_CGC_Operation op(&cl_cl, "GC cleanup", false /* needs_pll */); VMThread::execute(&op); } else { // We don't want to update the marking status if a GC pause @@ -294,6 +291,7 @@ // called System.gc() with +ExplicitGCInvokesConcurrent). _sts.join(); g1h->increment_old_marking_cycles_completed(true /* concurrent */); + g1h->register_concurrent_cycle_end(); _sts.leave(); } assert(_should_terminate, "just checking");
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -38,10 +38,15 @@ #include "gc_implementation/g1/g1MarkSweep.hpp" #include "gc_implementation/g1/g1OopClosures.inline.hpp" #include "gc_implementation/g1/g1RemSet.inline.hpp" +#include "gc_implementation/g1/g1YCTypes.hpp" #include "gc_implementation/g1/heapRegion.inline.hpp" #include "gc_implementation/g1/heapRegionRemSet.hpp" #include "gc_implementation/g1/heapRegionSeq.inline.hpp" #include "gc_implementation/g1/vm_operations_g1.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "memory/gcLocker.inline.hpp" #include "memory/genOopClosures.inline.hpp" @@ -1280,10 +1285,17 @@ return false; } + STWGCTimer* gc_timer = G1MarkSweep::gc_timer(); + gc_timer->register_gc_start(os::elapsed_counter()); + + SerialOldTracer* gc_tracer = G1MarkSweep::gc_tracer(); + gc_tracer->report_gc_start(gc_cause(), gc_timer->gc_start()); + SvcGCMarker sgcm(SvcGCMarker::FULL); ResourceMark rm; print_heap_before_gc(); + trace_heap_before_gc(gc_tracer); HRSPhaseSetter x(HRSPhaseFullGC); verify_region_sets_optional(); @@ -1301,7 +1313,7 @@ gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps); TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty); - TraceTime t(GCCauseString("Full GC", gc_cause()), G1Log::fine(), true, gclog_or_tty); + GCTraceTime t(GCCauseString("Full GC", gc_cause()), G1Log::fine(), true, NULL); TraceCollectorStats tcs(g1mm()->full_collection_counters()); TraceMemoryManagerStats tms(true /* fullGC */, gc_cause()); @@ -1331,7 +1343,7 @@ verify_before_gc(); - pre_full_gc_dump(); + pre_full_gc_dump(gc_timer); COMPILER2_PRESENT(DerivedPointerTable::clear()); @@ -1517,6 +1529,7 @@ verify_region_sets_optional(); print_heap_after_gc(); + trace_heap_after_gc(gc_tracer); // We must call G1MonitoringSupport::update_sizes() in the same scoping level // as an active TraceMemoryManagerStats object (i.e. before the destructor for the @@ -1525,7 +1538,11 @@ g1mm()->update_sizes(); } - post_full_gc_dump(); + post_full_gc_dump(gc_timer); + + gc_timer->register_gc_end(os::elapsed_counter()); + + gc_tracer->report_gc_end(gc_timer->gc_end(), gc_timer->time_partitions()); return true; } @@ -1909,12 +1926,18 @@ _surviving_young_words(NULL), _old_marking_cycles_started(0), _old_marking_cycles_completed(0), + _concurrent_cycle_started(false), _in_cset_fast_test(NULL), _in_cset_fast_test_base(NULL), _dirty_cards_region_list(NULL), _worker_cset_start_region(NULL), - _worker_cset_start_region_time_stamp(NULL) { - _g1h = this; // To catch bugs. + _worker_cset_start_region_time_stamp(NULL), + _gc_timer_stw(new (ResourceObj::C_HEAP, mtGC) STWGCTimer()), + _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()), + _gc_tracer_stw(new (ResourceObj::C_HEAP, mtGC) G1NewTracer()), + _gc_tracer_cm(new (ResourceObj::C_HEAP, mtGC) G1OldTracer()) { + + _g1h = this; if (_process_strong_tasks == NULL || !_process_strong_tasks->valid()) { vm_exit_during_initialization("Failed necessary allocation."); } @@ -2484,6 +2507,46 @@ FullGCCount_lock->notify_all(); } +void G1CollectedHeap::register_concurrent_cycle_start(jlong start_time) { + _concurrent_cycle_started = true; + _gc_timer_cm->register_gc_start(start_time); + + _gc_tracer_cm->report_gc_start(gc_cause(), _gc_timer_cm->gc_start()); + trace_heap_before_gc(_gc_tracer_cm); +} + +void G1CollectedHeap::register_concurrent_cycle_end() { + if (_concurrent_cycle_started) { + _gc_timer_cm->register_gc_end(os::elapsed_counter()); + + _gc_tracer_cm->report_gc_end(_gc_timer_cm->gc_end(), _gc_timer_cm->time_partitions()); + + _concurrent_cycle_started = false; + } +} + +void G1CollectedHeap::trace_heap_after_concurrent_cycle() { + if (_concurrent_cycle_started) { + trace_heap_after_gc(_gc_tracer_cm); + } +} + +G1YCType G1CollectedHeap::yc_type() { + bool is_young = g1_policy()->gcs_are_young(); + bool is_initial_mark = g1_policy()->during_initial_mark_pause(); + bool is_during_mark = mark_in_progress(); + + if (is_initial_mark) { + return InitialMark; + } else if (is_during_mark) { + return DuringMark; + } else if (is_young) { + return Normal; + } else { + return Mixed; + } +} + void G1CollectedHeap::collect_as_vm_thread(GCCause::Cause cause) { assert_at_safepoint(true /* should_be_vm_thread */); GCCauseSetter gcs(this, cause); @@ -3738,10 +3801,15 @@ return false; } + _gc_timer_stw->register_gc_start(os::elapsed_counter()); + + _gc_tracer_stw->report_gc_start(gc_cause(), _gc_timer_stw->gc_start()); + SvcGCMarker sgcm(SvcGCMarker::MINOR); ResourceMark rm; print_heap_before_gc(); + trace_heap_before_gc(_gc_tracer_stw); HRSPhaseSetter x(HRSPhaseEvacuation); verify_region_sets_optional(); @@ -3770,7 +3838,11 @@ // We are about to start a marking cycle, so we increment the // full collection counter. increment_old_marking_cycles_started(); + register_concurrent_cycle_start(_gc_timer_stw->gc_start()); } + + _gc_tracer_stw->report_yc_type(yc_type()); + TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty); int active_workers = (G1CollectedHeap::use_parallel_gc_threads() ? @@ -4091,12 +4163,17 @@ TASKQUEUE_STATS_ONLY(reset_taskqueue_stats()); print_heap_after_gc(); + trace_heap_after_gc(_gc_tracer_stw); // We must call G1MonitoringSupport::update_sizes() in the same scoping level // as an active TraceMemoryManagerStats object (i.e. before the destructor for the // TraceMemoryManagerStats is called) so that the G1 memory pools are updated // before any GC notifications are raised. g1mm()->update_sizes(); + + _gc_timer_stw->register_gc_end(os::elapsed_counter()); + + _gc_tracer_stw->report_gc_end(_gc_timer_stw->gc_end(), _gc_timer_stw->time_partitions()); } if (G1SummarizeRSetStats && @@ -4104,7 +4181,6 @@ (total_collections() % G1SummarizeRSetStatsPeriod == 0)) { g1_rem_set()->print_summary_info(); } - // It should now be safe to tell the concurrent mark thread to start // without its logging output interfering with the logging output // that came from the pause. @@ -5528,14 +5604,15 @@ rp->process_discovered_references(&is_alive, &keep_alive, &drain_queue, - NULL); + NULL, + _gc_timer_stw); } else { // Parallel reference processing assert(rp->num_q() == no_of_gc_workers, "sanity"); assert(no_of_gc_workers <= rp->max_num_q(), "sanity"); G1STWRefProcTaskExecutor par_task_executor(this, workers(), _task_queues, no_of_gc_workers); - rp->process_discovered_references(&is_alive, &keep_alive, &drain_queue, &par_task_executor); + rp->process_discovered_references(&is_alive, &keep_alive, &drain_queue, &par_task_executor, _gc_timer_stw); } // We have completed copying any necessary live referent objects
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -28,8 +28,9 @@ #include "gc_implementation/g1/concurrentMark.hpp" #include "gc_implementation/g1/g1AllocRegion.hpp" #include "gc_implementation/g1/g1HRPrinter.hpp" +#include "gc_implementation/g1/g1MonitoringSupport.hpp" #include "gc_implementation/g1/g1RemSet.hpp" -#include "gc_implementation/g1/g1MonitoringSupport.hpp" +#include "gc_implementation/g1/g1YCTypes.hpp" #include "gc_implementation/g1/heapRegionSeq.hpp" #include "gc_implementation/g1/heapRegionSets.hpp" #include "gc_implementation/shared/hSpaceCounters.hpp" @@ -60,7 +61,11 @@ class ConcurrentMark; class ConcurrentMarkThread; class ConcurrentG1Refine; +class ConcurrentGCTimer; class GenerationCounters; +class STWGCTimer; +class G1NewTracer; +class G1OldTracer; typedef OverflowTaskQueue<StarTask, mtGC> RefToScanQueue; typedef GenericTaskQueueSet<RefToScanQueue, mtGC> RefToScanQueueSet; @@ -390,6 +395,8 @@ // concurrent cycles) we have completed. volatile unsigned int _old_marking_cycles_completed; + bool _concurrent_cycle_started; + // This is a non-product method that is helpful for testing. It is // called at the end of a GC and artificially expands the heap by // allocating a number of dead regions. This way we can induce very @@ -737,6 +744,12 @@ return _old_marking_cycles_completed; } + void register_concurrent_cycle_start(jlong start_time); + void register_concurrent_cycle_end(); + void trace_heap_after_concurrent_cycle(); + + G1YCType yc_type(); + G1HRPrinter* hr_printer() { return &_hr_printer; } protected: @@ -1003,6 +1016,12 @@ // The (stw) reference processor... ReferenceProcessor* _ref_processor_stw; + STWGCTimer* _gc_timer_stw; + ConcurrentGCTimer* _gc_timer_cm; + + G1OldTracer* _gc_tracer_cm; + G1NewTracer* _gc_tracer_stw; + // During reference object discovery, the _is_alive_non_header // closure (if non-null) is applied to the referent object to // determine whether the referent is live. If so then the @@ -1158,6 +1177,8 @@ // The Concurent Marking reference processor... ReferenceProcessor* ref_processor_cm() const { return _ref_processor_cm; } + ConcurrentGCTimer* gc_timer_cm() const { return _gc_timer_cm; } + virtual size_t capacity() const; virtual size_t used() const; // This should be called when we're not holding the heap lock. The @@ -1592,6 +1613,7 @@ // Override; it uses the "prev" marking information virtual void verify(bool silent); + virtual void print_on(outputStream* st) const; virtual void print_extended_on(outputStream* st) const;
--- a/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -31,6 +31,10 @@ #include "code/icBuffer.hpp" #include "gc_implementation/g1/g1Log.hpp" #include "gc_implementation/g1/g1MarkSweep.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "memory/gcLocker.hpp" #include "memory/genCollectedHeap.hpp" #include "memory/modRefBarrierSet.hpp" @@ -127,7 +131,7 @@ void G1MarkSweep::mark_sweep_phase1(bool& marked_for_unloading, bool clear_all_softrefs) { // Recursively traverse all live objects and mark them - TraceTime tm("phase 1", G1Log::fine() && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 1", G1Log::fine() && Verbose, true, gc_timer()); GenMarkSweep::trace(" 1"); SharedHeap* sh = SharedHeap::heap(); @@ -147,7 +151,8 @@ rp->process_discovered_references(&GenMarkSweep::is_alive, &GenMarkSweep::keep_alive, &GenMarkSweep::follow_stack_closure, - NULL); + NULL, + gc_timer()); // Follow system dictionary roots and unload classes bool purged_class = SystemDictionary::do_unloading(&GenMarkSweep::is_alive); @@ -279,7 +284,7 @@ G1CollectedHeap* g1h = G1CollectedHeap::heap(); Generation* pg = g1h->perm_gen(); - TraceTime tm("phase 2", G1Log::fine() && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 2", G1Log::fine() && Verbose, true, gc_timer()); GenMarkSweep::trace("2"); // find the first region @@ -322,7 +327,7 @@ Generation* pg = g1h->perm_gen(); // Adjust the pointers to reflect the new locations - TraceTime tm("phase 3", G1Log::fine() && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 3", G1Log::fine() && Verbose, true, gc_timer()); GenMarkSweep::trace("3"); SharedHeap* sh = SharedHeap::heap(); @@ -386,7 +391,7 @@ G1CollectedHeap* g1h = G1CollectedHeap::heap(); Generation* pg = g1h->perm_gen(); - TraceTime tm("phase 4", G1Log::fine() && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 4", G1Log::fine() && Verbose, true, gc_timer()); GenMarkSweep::trace("4"); pg->compact();
--- a/src/share/vm/gc_implementation/g1/g1MarkSweep.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/g1MarkSweep.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -54,6 +54,9 @@ static void invoke_at_safepoint(ReferenceProcessor* rp, bool clear_all_softrefs); + static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; } + static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; } + private: // Mark live objects
--- a/src/share/vm/gc_implementation/g1/g1MonitoringSupport.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/g1MonitoringSupport.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -224,6 +224,7 @@ // Monitoring support used by // MemoryService // jstat counters + // Tracing size_t overall_reserved() { return _overall_reserved; } size_t overall_committed() { return _overall_committed; }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/g1/g1YCTypes.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1YCTYPES_HPP +#define SHARE_VM_GC_IMPLEMENTATION_G1_G1YCTYPES_HPP + +#include "utilities/debug.hpp" + +enum G1YCType { + Normal, + InitialMark, + DuringMark, + Mixed, + G1YCTypeEndSentinel +}; + +class G1YCTypeHelper { + public: + static const char* to_string(G1YCType type) { + switch(type) { + case Normal: return "Normal"; + case InitialMark: return "Initial Mark"; + case DuringMark: return "During Mark"; + case Mixed: return "Mixed"; + default: ShouldNotReachHere(); return NULL; + } + } +}; + +#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1YCTYPES_HPP
--- a/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -28,6 +28,8 @@ #include "gc_implementation/g1/g1CollectorPolicy.hpp" #include "gc_implementation/g1/g1Log.hpp" #include "gc_implementation/g1/vm_operations_g1.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "gc_implementation/g1/vm_operations_g1.hpp" #include "runtime/interfaceSupport.hpp" @@ -227,7 +229,7 @@ void VM_CGC_Operation::doit() { gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps); TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty); - TraceTime t(_printGCMessage, G1Log::fine(), true, gclog_or_tty); + GCTraceTime t(_printGCMessage, G1Log::fine(), true, G1CollectedHeap::heap()->gc_timer_cm()); SharedHeap* sh = SharedHeap::heap(); // This could go away if CollectedHeap gave access to _gc_is_active... if (sh != NULL) {
--- a/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -29,6 +29,10 @@ #include "gc_implementation/shared/adaptiveSizePolicy.hpp" #include "gc_implementation/shared/ageTable.hpp" #include "gc_implementation/shared/parGCAllocBuffer.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" #include "memory/defNewGeneration.inline.hpp" #include "memory/genCollectedHeap.hpp" @@ -885,7 +889,15 @@ size_t size, bool is_tlab) { assert(full || size > 0, "otherwise we don't want to collect"); + GenCollectedHeap* gch = GenCollectedHeap::heap(); + + _gc_timer->register_gc_start(os::elapsed_counter()); + ParNewTracer gc_tracer; + gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start()); + + gch->trace_heap_before_gc(&gc_tracer); + assert(gch->kind() == CollectedHeap::GenCollectedHeap, "not a CMS generational heap"); AdaptiveSizePolicy* size_policy = gch->gen_policy()->size_policy(); @@ -922,7 +934,7 @@ size_policy->minor_collection_begin(); } - TraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty); + GCTraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL); // Capture heap used before collection (for printing). size_t gch_prev_used = gch->used(); @@ -978,13 +990,15 @@ if (rp->processing_is_mt()) { ParNewRefProcTaskExecutor task_executor(*this, thread_state_set); rp->process_discovered_references(&is_alive, &keep_alive, - &evacuate_followers, &task_executor); + &evacuate_followers, &task_executor, + _gc_timer); } else { thread_state_set.flush(); gch->set_par_threads(0); // 0 ==> non-parallel. gch->save_marks(); rp->process_discovered_references(&is_alive, &keep_alive, - &evacuate_followers, NULL); + &evacuate_followers, NULL, + _gc_timer); } if (!promotion_failed()) { // Swap the survivor spaces. @@ -1064,6 +1078,12 @@ rp->enqueue_discovered_references(NULL); } rp->verify_no_references_recorded(); + + gch->trace_heap_after_gc(&gc_tracer); + + _gc_timer->register_gc_end(os::elapsed_counter()); + + gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions()); } static int sum; @@ -1578,8 +1598,7 @@ } #undef BUSY -void ParNewGeneration::ref_processor_init() -{ +void ParNewGeneration::ref_processor_init() { if (_ref_processor == NULL) { // Allocate and initialize a reference processor _ref_processor =
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -35,6 +35,8 @@ #include "gc_implementation/parallelScavenge/psPromotionManager.hpp" #include "gc_implementation/parallelScavenge/psScavenge.hpp" #include "gc_implementation/parallelScavenge/vmPSOperations.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcWhen.hpp" #include "memory/gcLocker.inline.hpp" #include "oops/oop.inline.hpp" #include "runtime/handles.inline.hpp" @@ -888,6 +890,37 @@ ensure_parsability(false); // no need to retire TLABs for verification } +PSHeapSummary ParallelScavengeHeap::create_ps_heap_summary() { + PSOldGen* old = old_gen(); + HeapWord* old_committed_end = (HeapWord*)old->virtual_space()->committed_high_addr(); + VirtualSpaceSummary old_summary(old->reserved().start(), old_committed_end, old->reserved().end()); + SpaceSummary old_space(old->reserved().start(), old_committed_end, old->used_in_bytes()); + + PSYoungGen* young = young_gen(); + VirtualSpaceSummary young_summary(young->reserved().start(), + (HeapWord*)young->virtual_space()->committed_high_addr(), young->reserved().end()); + + MutableSpace* eden = young_gen()->eden_space(); + SpaceSummary eden_space(eden->bottom(), eden->end(), eden->used_in_bytes()); + + MutableSpace* from = young_gen()->from_space(); + SpaceSummary from_space(from->bottom(), from->end(), from->used_in_bytes()); + + MutableSpace* to = young_gen()->to_space(); + SpaceSummary to_space(to->bottom(), to->end(), to->used_in_bytes()); + + VirtualSpaceSummary heap_summary = create_heap_space_summary(); + return PSHeapSummary(heap_summary, used(), old_summary, old_space, young_summary, eden_space, from_space, to_space); +} + +VirtualSpaceSummary ParallelScavengeHeap::create_perm_gen_space_summary() { + PSVirtualSpace* space = perm_gen()->virtual_space(); + return VirtualSpaceSummary( + (HeapWord*)space->low_boundary(), + (HeapWord*)space->high(), + (HeapWord*)space->high_boundary()); +} + void ParallelScavengeHeap::print_on(outputStream* st) const { young_gen()->print_on(st); old_gen()->print_on(st); @@ -948,6 +981,12 @@ } } +void ParallelScavengeHeap::trace_heap(GCWhen::Type when, GCTracer* gc_tracer) { + const PSHeapSummary& heap_summary = create_ps_heap_summary(); + const PermGenSummary& perm_gen_summary = create_perm_gen_summary(); + gc_tracer->report_gc_heap_summary(when, heap_summary, perm_gen_summary); +} + ParallelScavengeHeap* ParallelScavengeHeap::heap() { assert(_psh != NULL, "Uninitialized access to ParallelScavengeHeap::heap()"); assert(_psh->kind() == CollectedHeap::ParallelScavengeHeap, "not a parallel scavenge heap");
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -35,10 +35,14 @@ #include "utilities/ostream.hpp" class AdjoiningGenerations; +class CollectorPolicy; +class GCHeapSummary; class GCTaskManager; -class PSAdaptiveSizePolicy; class GenerationSizer; class CollectorPolicy; +class PSAdaptiveSizePolicy; +class PSHeapSummary; +class VirtualSpaceSummary; class ParallelScavengeHeap : public CollectedHeap { friend class VMStructs; @@ -68,6 +72,8 @@ static GCTaskManager* _gc_task_manager; // The task manager. + void trace_heap(GCWhen::Type when, GCTracer* tracer); + protected: static inline size_t total_invocations(); HeapWord* allocate_new_tlab(size_t size); @@ -252,6 +258,8 @@ jlong millis_since_last_gc(); void prepare_for_verify(); + PSHeapSummary create_ps_heap_summary(); + VirtualSpaceSummary create_perm_gen_space_summary(); virtual void print_on(outputStream* st) const; virtual void print_gc_threads_on(outputStream* st) const; virtual void gc_threads_do(ThreadClosure* tc) const;
--- a/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -27,6 +27,8 @@ #include "code/codeCache.hpp" #include "gc_implementation/parallelScavenge/pcTasks.hpp" #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_interface/collectedHeap.hpp" #include "memory/universe.hpp" #include "oops/objArrayKlass.inline.hpp" @@ -48,8 +50,8 @@ ResourceMark rm; - NOT_PRODUCT(TraceTime tm("ThreadRootsMarkingTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("ThreadRootsMarkingTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); @@ -69,8 +71,8 @@ void MarkFromRootsTask::do_it(GCTaskManager* manager, uint which) { assert(Universe::heap()->is_gc_active(), "called outside gc"); - NOT_PRODUCT(TraceTime tm("MarkFromRootsTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("MarkFromRootsTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); @@ -134,8 +136,8 @@ { assert(Universe::heap()->is_gc_active(), "called outside gc"); - NOT_PRODUCT(TraceTime tm("RefProcTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("RefProcTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); @@ -190,8 +192,8 @@ void StealMarkingTask::do_it(GCTaskManager* manager, uint which) { assert(Universe::heap()->is_gc_active(), "called outside gc"); - NOT_PRODUCT(TraceTime tm("StealMarkingTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("StealMarkingTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); @@ -223,8 +225,8 @@ void StealRegionCompactionTask::do_it(GCTaskManager* manager, uint which) { assert(Universe::heap()->is_gc_active(), "called outside gc"); - NOT_PRODUCT(TraceTime tm("StealRegionCompactionTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("StealRegionCompactionTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); @@ -290,8 +292,8 @@ void UpdateDensePrefixTask::do_it(GCTaskManager* manager, uint which) { - NOT_PRODUCT(TraceTime tm("UpdateDensePrefixTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("UpdateDensePrefixTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); @@ -305,8 +307,8 @@ void DrainStacksCompactionTask::do_it(GCTaskManager* manager, uint which) { assert(Universe::heap()->is_gc_active(), "called outside gc"); - NOT_PRODUCT(TraceTime tm("DrainStacksCompactionTask", - PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); + NOT_PRODUCT(GCTraceTime tm("DrainStacksCompactionTask", + PrintGCDetails && TraceParallelOldGCTasks, true, NULL)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which);
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -35,6 +35,10 @@ #include "gc_implementation/parallelScavenge/psPermGen.hpp" #include "gc_implementation/parallelScavenge/psScavenge.hpp" #include "gc_implementation/parallelScavenge/psYoungGen.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" #include "gc_interface/gcCause.hpp" @@ -109,8 +113,12 @@ } ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); + assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); GCCause::Cause gc_cause = heap->gc_cause(); - assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); + + _gc_timer->register_gc_start(os::elapsed_counter()); + _gc_tracer->report_gc_start(gc_cause, _gc_timer->gc_start()); + PSAdaptiveSizePolicy* size_policy = heap->size_policy(); // The scope of casr should end after code that can change @@ -133,6 +141,7 @@ AdaptiveSizePolicyOutput(size_policy, heap->total_collections()); heap->print_heap_before_gc(); + heap->trace_heap_before_gc(_gc_tracer); // Fill in TLABs heap->accumulate_statistics_all_tlabs(); @@ -151,7 +160,7 @@ perm_gen->verify_object_start_array(); } - heap->pre_full_gc_dump(); + heap->pre_full_gc_dump(_gc_timer); // Filled in below to track the state of the young gen after the collection. bool eden_empty; @@ -163,7 +172,7 @@ gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); - TraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty); + GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL); TraceCollectorStats tcs(counters()); TraceMemoryManagerStats tms(true /* Full GC */,gc_cause); @@ -370,13 +379,18 @@ NOT_PRODUCT(ref_processor()->verify_no_references_recorded()); heap->print_heap_after_gc(); + heap->trace_heap_after_gc(_gc_tracer); - heap->post_full_gc_dump(); + heap->post_full_gc_dump(_gc_timer); #ifdef TRACESPINNING ParallelTaskTerminator::print_termination_counts(); #endif + _gc_timer->register_gc_end(os::elapsed_counter()); + + _gc_tracer->report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions()); + return true; } @@ -496,7 +510,7 @@ void PSMarkSweep::mark_sweep_phase1(bool clear_all_softrefs) { // Recursively traverse all live objects and mark them - TraceTime tm("phase 1", PrintGCDetails && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 1", PrintGCDetails && Verbose, true, _gc_timer); trace(" 1"); ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); @@ -525,7 +539,7 @@ { ref_processor()->setup_policy(clear_all_softrefs); ref_processor()->process_discovered_references( - is_alive_closure(), mark_and_push_closure(), follow_stack_closure(), NULL); + is_alive_closure(), mark_and_push_closure(), follow_stack_closure(), NULL, _gc_timer); } // Follow system dictionary roots and unload classes @@ -554,7 +568,7 @@ void PSMarkSweep::mark_sweep_phase2() { - TraceTime tm("phase 2", PrintGCDetails && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 2", PrintGCDetails && Verbose, true, _gc_timer); trace("2"); // Now all live objects are marked, compute the new object addresses. @@ -598,7 +612,7 @@ void PSMarkSweep::mark_sweep_phase3() { // Adjust the pointers to reflect the new locations - TraceTime tm("phase 3", PrintGCDetails && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 3", PrintGCDetails && Verbose, true, _gc_timer); trace("3"); ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); @@ -639,7 +653,7 @@ void PSMarkSweep::mark_sweep_phase4() { EventMark m("4 compact heap"); - TraceTime tm("phase 4", PrintGCDetails && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 4", PrintGCDetails && Verbose, true, _gc_timer); trace("4"); // All pointers are now adjusted, move objects accordingly
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -40,6 +40,10 @@ #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" #include "gc_implementation/parallelScavenge/psScavenge.hpp" #include "gc_implementation/parallelScavenge/psYoungGen.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "gc_interface/gcCause.hpp" #include "memory/gcLocker.inline.hpp" @@ -799,6 +803,8 @@ } #endif +STWGCTimer PSParallelCompact::_gc_timer; +ParallelOldTracer PSParallelCompact::_gc_tracer; elapsedTimer PSParallelCompact::_accumulated_time; unsigned int PSParallelCompact::_total_invocations = 0; unsigned int PSParallelCompact::_maximum_compaction_gc_num = 0; @@ -969,7 +975,7 @@ // at each young gen gc. Do the update unconditionally (even though a // promotion failure does not swap spaces) because an unknown number of minor // collections will have swapped the spaces an unknown number of times. - TraceTime tm("pre compact", print_phases(), true, gclog_or_tty); + GCTraceTime tm("pre compact", print_phases(), true, &_gc_timer); ParallelScavengeHeap* heap = gc_heap(); _space_info[from_space_id].set_space(heap->young_gen()->from_space()); _space_info[to_space_id].set_space(heap->young_gen()->to_space()); @@ -988,6 +994,7 @@ _total_invocations++; heap->print_heap_before_gc(); + heap->trace_heap_before_gc(&_gc_tracer); // Fill in TLABs heap->accumulate_statistics_all_tlabs(); @@ -1015,7 +1022,7 @@ void PSParallelCompact::post_compact() { - TraceTime tm("post compact", print_phases(), true, gclog_or_tty); + GCTraceTime tm("post compact", print_phases(), true, &_gc_timer); for (unsigned int id = perm_space_id; id < last_space_id; ++id) { // Clear the marking bitmap, summary data and split info. @@ -1840,7 +1847,7 @@ void PSParallelCompact::summary_phase(ParCompactionManager* cm, bool maximum_compaction) { - TraceTime tm("summary phase", print_phases(), true, gclog_or_tty); + GCTraceTime tm("summary phase", print_phases(), true, &_gc_timer); // trace("2"); #ifdef ASSERT @@ -2005,11 +2012,15 @@ return false; } + ParallelScavengeHeap* heap = gc_heap(); + + _gc_timer.register_gc_start(os::elapsed_counter()); + _gc_tracer.report_gc_start(heap->gc_cause(), _gc_timer.gc_start()); + TimeStamp marking_start; TimeStamp compaction_start; TimeStamp collection_exit; - ParallelScavengeHeap* heap = gc_heap(); GCCause::Cause gc_cause = heap->gc_cause(); PSYoungGen* young_gen = heap->young_gen(); PSOldGen* old_gen = heap->old_gen(); @@ -2026,7 +2037,7 @@ heap->record_gen_tops_before_GC(); } - heap->pre_full_gc_dump(); + heap->pre_full_gc_dump(&_gc_timer); _print_phases = PrintGCDetails && PrintParallelOldGCPhaseTimes; @@ -2053,7 +2064,7 @@ gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); - TraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty); + GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL); TraceCollectorStats tcs(counters()); TraceMemoryManagerStats tms(true /* Full GC */,gc_cause); @@ -2075,7 +2086,7 @@ bool marked_for_unloading = false; marking_start.update(); - marking_phase(vmthread_cm, maximum_heap_compaction); + marking_phase(vmthread_cm, maximum_heap_compaction, &_gc_tracer); #ifndef PRODUCT if (TraceParallelOldGCMarkingPhase) { @@ -2232,6 +2243,8 @@ collection_exit.update(); heap->print_heap_after_gc(); + heap->trace_heap_after_gc(&_gc_tracer); + if (PrintGCTaskTimeStamps) { gclog_or_tty->print_cr("VM-Thread " INT64_FORMAT " " INT64_FORMAT " " INT64_FORMAT, @@ -2240,12 +2253,17 @@ gc_task_manager()->print_task_time_stamps(); } - heap->post_full_gc_dump(); + heap->post_full_gc_dump(&_gc_timer); #ifdef TRACESPINNING ParallelTaskTerminator::print_termination_counts(); #endif + _gc_timer.register_gc_end(os::elapsed_counter()); + + _gc_tracer.report_dense_prefix(dense_prefix(old_space_id)); + _gc_tracer.report_gc_end(_gc_timer.gc_end(), _gc_timer.time_partitions()); + return true; } @@ -2344,9 +2362,10 @@ } void PSParallelCompact::marking_phase(ParCompactionManager* cm, - bool maximum_heap_compaction) { + bool maximum_heap_compaction, + ParallelOldTracer *gc_tracer) { // Recursively traverse all live objects and mark them - TraceTime tm("marking phase", print_phases(), true, gclog_or_tty); + GCTraceTime tm("marking phase", print_phases(), true, &_gc_timer); ParallelScavengeHeap* heap = gc_heap(); uint parallel_gc_threads = heap->gc_task_manager()->workers(); @@ -2358,7 +2377,8 @@ PSParallelCompact::FollowStackClosure follow_stack_closure(cm); { - TraceTime tm_m("par mark", print_phases(), true, gclog_or_tty); + GCTraceTime tm_m("par mark", print_phases(), true, &_gc_timer); + ParallelScavengeHeap::ParStrongRootsScope psrs; GCTaskQueue* q = GCTaskQueue::create(); @@ -2385,19 +2405,24 @@ // Process reference objects found during marking { - TraceTime tm_r("reference processing", print_phases(), true, gclog_or_tty); + GCTraceTime tm_r("reference processing", print_phases(), true, &_gc_timer); + if (ref_processor()->processing_is_mt()) { RefProcTaskExecutor task_executor; ref_processor()->process_discovered_references( is_alive_closure(), &mark_and_push_closure, &follow_stack_closure, - &task_executor); + &task_executor, &_gc_timer); } else { ref_processor()->process_discovered_references( - is_alive_closure(), &mark_and_push_closure, &follow_stack_closure, NULL); + is_alive_closure(), &mark_and_push_closure, &follow_stack_closure, NULL, + &_gc_timer); } + + gc_tracer->report_gc_reference_processing(ref_processor()->collect_statistics()); } - TraceTime tm_c("class unloading", print_phases(), true, gclog_or_tty); + GCTraceTime tm_c("class unloading", print_phases(), true, &_gc_timer); + // Follow system dictionary roots and unload classes. bool purged_class = SystemDictionary::do_unloading(is_alive_closure()); @@ -2431,7 +2456,7 @@ void PSParallelCompact::adjust_roots() { // Adjust the pointers to reflect the new locations - TraceTime tm("adjust roots", print_phases(), true, gclog_or_tty); + GCTraceTime tm("adjust roots", print_phases(), true, &_gc_timer); // General strong roots. Universe::oops_do(adjust_root_pointer_closure()); @@ -2461,7 +2486,7 @@ } void PSParallelCompact::compact_perm(ParCompactionManager* cm) { - TraceTime tm("compact perm gen", print_phases(), true, gclog_or_tty); + GCTraceTime tm("compact perm gen", print_phases(), true, &_gc_timer); // trace("4"); gc_heap()->perm_gen()->start_array()->reset(); @@ -2471,7 +2496,7 @@ void PSParallelCompact::enqueue_region_draining_tasks(GCTaskQueue* q, uint parallel_gc_threads) { - TraceTime tm("drain task setup", print_phases(), true, gclog_or_tty); + GCTraceTime tm("drain task setup", print_phases(), true, &_gc_timer); // Find the threads that are active unsigned int which = 0; @@ -2544,7 +2569,7 @@ void PSParallelCompact::enqueue_dense_prefix_tasks(GCTaskQueue* q, uint parallel_gc_threads) { - TraceTime tm("dense prefix task setup", print_phases(), true, gclog_or_tty); + GCTraceTime tm("dense prefix task setup", print_phases(), true, &_gc_timer); ParallelCompactData& sd = PSParallelCompact::summary_data(); @@ -2626,7 +2651,7 @@ GCTaskQueue* q, ParallelTaskTerminator* terminator_ptr, uint parallel_gc_threads) { - TraceTime tm("steal task setup", print_phases(), true, gclog_or_tty); + GCTraceTime tm("steal task setup", print_phases(), true, &_gc_timer); // Once a thread has drained it's stack, it should try to steal regions from // other threads. @@ -2639,7 +2664,7 @@ void PSParallelCompact::compact() { // trace("5"); - TraceTime tm("compaction phase", print_phases(), true, gclog_or_tty); + GCTraceTime tm("compaction phase", print_phases(), true, &_gc_timer); ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); @@ -2656,7 +2681,7 @@ enqueue_region_stealing_tasks(q, &terminator, active_gc_threads); { - TraceTime tm_pc("par compact", print_phases(), true, gclog_or_tty); + GCTraceTime tm_pc("par compact", print_phases(), true, &_gc_timer); gc_task_manager()->execute_and_wait(q); @@ -2672,7 +2697,7 @@ { // Update the deferred objects, if any. Any compaction manager can be used. - TraceTime tm_du("deferred updates", print_phases(), true, gclog_or_tty); + GCTraceTime tm_du("deferred updates", print_phases(), true, &_gc_timer); ParCompactionManager* cm = ParCompactionManager::manager_array(0); for (unsigned int id = old_space_id; id < last_space_id; ++id) { update_deferred_objects(cm, SpaceId(id));
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -47,6 +47,8 @@ class PreGCValues; class MoveAndUpdateClosure; class RefProcTaskExecutor; +class ParallelOldTracer; +class STWGCTimer; // The SplitInfo class holds the information needed to 'split' a source region // so that the live data can be copied to two destination *spaces*. Normally, @@ -840,6 +842,8 @@ friend class RefProcTaskProxy; private: + static STWGCTimer _gc_timer; + static ParallelOldTracer _gc_tracer; static elapsedTimer _accumulated_time; static unsigned int _total_invocations; static unsigned int _maximum_compaction_gc_num; @@ -887,7 +891,8 @@ // Mark live objects static void marking_phase(ParCompactionManager* cm, - bool maximum_heap_compaction); + bool maximum_heap_compaction, + ParallelOldTracer *gc_tracer); static void follow_weak_klass_links(); static void follow_mdo_weak_refs(); @@ -1167,6 +1172,8 @@ // Reference Processing static ReferenceProcessor* const ref_processor() { return _ref_processor; } + static STWGCTimer* gc_timer() { return &_gc_timer; } + // Return the SpaceId for the given address. static SpaceId space_id(HeapWord* addr);
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -28,6 +28,7 @@ #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" #include "gc_implementation/shared/mutableSpace.hpp" +#include "gc_implementation/shared/promotionFailedInfo.hpp" #include "memory/memRegion.hpp" #include "oops/oop.inline.hpp" #include "oops/oop.psgc.inline.hpp" @@ -49,7 +50,7 @@ guarantee(_manager_array != NULL, "Could not initialize promotion manager"); _stack_array_depth = new OopStarTaskQueueSet(ParallelGCThreads); - guarantee(_stack_array_depth != NULL, "Cound not initialize promotion manager"); + guarantee(_stack_array_depth != NULL, "Could not initialize promotion manager"); // Create and register the PSPromotionManager(s) for the worker threads. for(uint i=0; i<ParallelGCThreads; i++) { @@ -86,13 +87,24 @@ } } -void PSPromotionManager::post_scavenge() { +PromotionFailedInfo PSPromotionManager::post_scavenge() { + size_t promotion_failed_size = 0; + uint promotion_failed_count = 0; + PromotionFailedInfo pfi; + TASKQUEUE_STATS_ONLY(if (PrintGCDetails && ParallelGCVerbose) print_stats()); for (uint i = 0; i < ParallelGCThreads + 1; i++) { PSPromotionManager* manager = manager_array(i); assert(manager->claimed_stack_depth()->is_empty(), "should be empty"); + if (manager->_promotion_failed_info.promotion_failed()) { + promotion_failed_size += manager->_promotion_failed_info.promotion_failed_size(); + promotion_failed_count += manager->_promotion_failed_info.promotion_failed_count(); + } manager->flush_labs(); } + + pfi.set_promotion_failed(promotion_failed_size, promotion_failed_count); + return pfi; } #if TASKQUEUE_STATS @@ -187,6 +199,8 @@ _old_lab.initialize(MemRegion(lab_base, (size_t)0)); _old_gen_is_full = false; + _promotion_failed_info.reset(); + TASKQUEUE_STATS_ONLY(reset_stats()); } @@ -306,6 +320,8 @@ // We won any races, we "own" this object. assert(obj == obj->forwardee(), "Sanity"); + _promotion_failed_info.register_promotion_failed(obj->size()); + obj->push_contents(this); // Save the mark if needed
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -26,6 +26,7 @@ #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPROMOTIONMANAGER_HPP #include "gc_implementation/parallelScavenge/psPromotionLAB.hpp" +#include "gc_implementation/shared/promotionFailedInfo.hpp" #include "memory/allocation.hpp" #include "utilities/taskqueue.hpp" @@ -33,7 +34,7 @@ // psPromotionManager is used by a single thread to manage object survival // during a scavenge. The promotion manager contains thread local data only. // -// NOTE! Be carefull when allocating the stacks on cheap. If you are going +// NOTE! Be careful when allocating the stacks on cheap. If you are going // to use a promotion manager in more than one thread, the stacks MUST be // on cheap. This can lead to memory leaks, though, as they are not auto // deallocated. @@ -85,6 +86,8 @@ uint _array_chunk_size; uint _min_array_size_for_chunking; + PromotionFailedInfo _promotion_failed_info; + // Accessors static PSOldGen* old_gen() { return _old_gen; } static MutableSpace* young_space() { return _young_space; } @@ -149,7 +152,7 @@ static void initialize(); static void pre_scavenge(); - static void post_scavenge(); + static PromotionFailedInfo post_scavenge(); static PSPromotionManager* gc_thread_promotion_manager(int index); static PSPromotionManager* vm_thread_promotion_manager();
--- a/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -145,7 +145,7 @@ // This is the promotion failed test, and code handling. // The code belongs here for two reasons. It is slightly - // different thatn the code below, and cannot share the + // different than the code below, and cannot share the // CAS testing code. Keeping the code here also minimizes // the impact on the common case fast path code.
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,10 @@ #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" #include "gc_implementation/parallelScavenge/psTasks.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/isGCActiveMark.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" #include "gc_interface/gcCause.hpp" @@ -62,10 +66,11 @@ int PSScavenge::_tenuring_threshold = 0; HeapWord* PSScavenge::_young_generation_boundary = NULL; elapsedTimer PSScavenge::_accumulated_time; +STWGCTimer PSScavenge::_gc_timer; +ParallelScavengeTracer PSScavenge::_gc_tracer; Stack<markOop, mtGC> PSScavenge::_preserved_mark_stack; Stack<oop, mtGC> PSScavenge::_preserved_oop_stack; CollectorCounters* PSScavenge::_counters = NULL; -bool PSScavenge::_promotion_failed = false; // Define before use class PSIsAliveClosure: public BoolObjectClosure { @@ -261,6 +266,8 @@ assert(_preserved_mark_stack.is_empty(), "should be empty"); assert(_preserved_oop_stack.is_empty(), "should be empty"); + _gc_timer.register_gc_start(os::elapsed_counter()); + TimeStamp scavenge_entry; TimeStamp scavenge_midpoint; TimeStamp scavenge_exit; @@ -280,12 +287,15 @@ return false; } + _gc_tracer.report_gc_start(heap->gc_cause(), _gc_timer.gc_start()); + bool promotion_failure_occurred = false; PSYoungGen* young_gen = heap->young_gen(); PSOldGen* old_gen = heap->old_gen(); PSPermGen* perm_gen = heap->perm_gen(); PSAdaptiveSizePolicy* size_policy = heap->size_policy(); + heap->increment_total_collections(); AdaptiveSizePolicyOutput(size_policy, heap->total_collections()); @@ -302,12 +312,12 @@ } heap->print_heap_before_gc(); + heap->trace_heap_before_gc(&_gc_tracer); assert(!NeverTenure || _tenuring_threshold == markOopDesc::max_age + 1, "Sanity"); assert(!AlwaysTenure || _tenuring_threshold == 0, "Sanity"); size_t prev_used = heap->used(); - assert(promotion_failed() == false, "Sanity"); // Fill in TLABs heap->accumulate_statistics_all_tlabs(); @@ -322,10 +332,11 @@ { ResourceMark rm; HandleMark hm; + PromotionFailedInfo promotion_failed_info; gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); - TraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty); + GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL); TraceCollectorStats tcs(counters()); TraceMemoryManagerStats tms(false /* not full GC */,gc_cause); @@ -393,7 +404,7 @@ // We'll use the promotion manager again later. PSPromotionManager* promotion_manager = PSPromotionManager::vm_thread_promotion_manager(); { - // TraceTime("Roots"); + GCTraceTime tm("Scavenge", false, false, &_gc_timer); ParallelScavengeHeap::ParStrongRootsScope psrs; GCTaskQueue* q = GCTaskQueue::create(); @@ -432,6 +443,8 @@ // Process reference objects discovered during scavenge { + GCTraceTime tm("References", false, false, &_gc_timer); + reference_processor()->setup_policy(false); // not always_clear reference_processor()->set_active_mt_degree(active_workers); PSKeepAliveClosure keep_alive(promotion_manager); @@ -439,22 +452,26 @@ if (reference_processor()->processing_is_mt()) { PSRefProcTaskExecutor task_executor; reference_processor()->process_discovered_references( - &_is_alive_closure, &keep_alive, &evac_followers, &task_executor); + &_is_alive_closure, &keep_alive, &evac_followers, &task_executor, + &_gc_timer); } else { reference_processor()->process_discovered_references( - &_is_alive_closure, &keep_alive, &evac_followers, NULL); + &_is_alive_closure, &keep_alive, &evac_followers, NULL, &_gc_timer); + } + + _gc_tracer.report_gc_reference_processing(reference_processor()->collect_statistics()); + + // Enqueue reference objects discovered during scavenge. + if (reference_processor()->processing_is_mt()) { + PSRefProcTaskExecutor task_executor; + reference_processor()->enqueue_discovered_references(&task_executor); + } else { + reference_processor()->enqueue_discovered_references(NULL); } } - // Enqueue reference objects discovered during scavenge. - if (reference_processor()->processing_is_mt()) { - PSRefProcTaskExecutor task_executor; - reference_processor()->enqueue_discovered_references(&task_executor); - } else { - reference_processor()->enqueue_discovered_references(NULL); - } - if (!JavaObjectsInPerm) { + GCTraceTime tm("StringTable", false, false, &_gc_timer); // Unlink any dead interned Strings StringTable::unlink(&_is_alive_closure); // Process the remaining live ones @@ -463,10 +480,12 @@ } // Finally, flush the promotion_manager's labs, and deallocate its stacks. - PSPromotionManager::post_scavenge(); + promotion_failed_info = PSPromotionManager::post_scavenge(); - promotion_failure_occurred = promotion_failed(); + promotion_failure_occurred = promotion_failed_info.promotion_failed(); if (promotion_failure_occurred) { + _gc_tracer.report_promotion_failed(promotion_failed_info.promotion_failed_size(), + promotion_failed_info.promotion_failed_count()); clean_up_failed_promotion(); if (PrintGC) { gclog_or_tty->print("--"); @@ -608,7 +627,11 @@ NOT_PRODUCT(reference_processor()->verify_no_references_recorded()); - CodeCache::prune_scavenge_root_nmethods(); + { + GCTraceTime tm("Prune Scavenge Root Methods", false, false, &_gc_timer); + + CodeCache::prune_scavenge_root_nmethods(); + } // Re-verify object start arrays if (VerifyObjectStartArray && @@ -650,6 +673,7 @@ } heap->print_heap_after_gc(); + heap->trace_heap_after_gc(&_gc_tracer); if (ZapUnusedHeapArea) { young_gen->eden_space()->check_mangled_unused_area_complete(); @@ -670,6 +694,11 @@ ParallelTaskTerminator::print_termination_counts(); #endif + + _gc_timer.register_gc_end(os::elapsed_counter()); + + _gc_tracer.report_gc_end(_gc_timer.gc_end(), _gc_timer.time_partitions()); + return !promotion_failure_occurred; } @@ -679,7 +708,6 @@ void PSScavenge::clean_up_failed_promotion() { ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); - assert(promotion_failed(), "Sanity"); PSYoungGen* young_gen = heap->young_gen(); @@ -704,7 +732,6 @@ // Clear the preserved mark and oop stack caches. _preserved_mark_stack.clear(true); _preserved_oop_stack.clear(true); - _promotion_failed = false; } // Reset the PromotionFailureALot counters. @@ -715,11 +742,10 @@ // fails. Some markOops will need preservation, some will not. Note // that the entire eden is traversed after a failed promotion, with // all forwarded headers replaced by the default markOop. This means -// it is not neccessary to preserve most markOops. +// it is not necessary to preserve most markOops. void PSScavenge::oop_promotion_failed(oop obj, markOop obj_mark) { - _promotion_failed = true; if (obj_mark->must_be_preserved_for_promotion_failure(obj)) { - // Should use per-worker private stakcs hetre rather than + // Should use per-worker private stacks here rather than // locking a common pair of stacks. ThreadCritical tc; _preserved_oop_stack.push(obj);
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -28,6 +28,7 @@ #include "gc_implementation/parallelScavenge/cardTableExtension.hpp" #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" #include "gc_implementation/shared/collectorCounters.hpp" +#include "gc_implementation/shared/gcTrace.hpp" #include "memory/allocation.hpp" #include "oops/oop.hpp" #include "utilities/stack.hpp" @@ -37,8 +38,10 @@ class OopStack; class ReferenceProcessor; class ParallelScavengeHeap; +class ParallelScavengeTracer; class PSIsAliveClosure; class PSRefProcTaskExecutor; +class STWGCTimer; class PSScavenge: AllStatic { friend class PSIsAliveClosure; @@ -68,13 +71,14 @@ static bool _survivor_overflow; // Overflow this collection static int _tenuring_threshold; // tenuring threshold for next scavenge static elapsedTimer _accumulated_time; // total time spent on scavenge + static STWGCTimer _gc_timer; // GC time book keeper + static ParallelScavengeTracer _gc_tracer; // GC tracing static HeapWord* _young_generation_boundary; // The lowest address possible for the young_gen. // This is used to decide if an oop should be scavenged, // cards should be marked, etc. static Stack<markOop, mtGC> _preserved_mark_stack; // List of marks to be restored after failed promotion static Stack<oop, mtGC> _preserved_oop_stack; // List of oops that need their mark restored. static CollectorCounters* _counters; // collector performance counters - static bool _promotion_failed; static void clean_up_failed_promotion(); @@ -90,7 +94,6 @@ // Accessors static int tenuring_threshold() { return _tenuring_threshold; } static elapsedTimer* accumulated_time() { return &_accumulated_time; } - static bool promotion_failed() { return _promotion_failed; } static int consecutive_skipped_scavenges() { return _consecutive_skipped_scavenges; }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcHeapSummary.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP + +#include "memory/allocation.hpp" + +class VirtualSpaceSummary : public StackObj { + HeapWord* _start; + HeapWord* _committed_end; + HeapWord* _reserved_end; +public: + VirtualSpaceSummary(HeapWord* start, HeapWord* committed_end, HeapWord* reserved_end) : + _start(start), _committed_end(committed_end), _reserved_end(reserved_end) { } + + HeapWord* start() const { return _start; } + HeapWord* committed_end() const { return _committed_end; } + HeapWord* reserved_end() const { return _reserved_end; } + size_t committed_size() const { return (uintptr_t)_committed_end - (uintptr_t)_start; } + size_t reserved_size() const { return (uintptr_t)_reserved_end - (uintptr_t)_start; } +}; + +class SpaceSummary : public StackObj { + HeapWord* _start; + HeapWord* _end; + size_t _used; +public: + SpaceSummary(HeapWord* start, HeapWord* end, size_t used) : + _start(start), _end(end), _used(used) { } + + HeapWord* start() const { return _start; } + HeapWord* end() const { return _end; } + size_t used() const { return _used; } + size_t size() const { return (uintptr_t)_end - (uintptr_t)_start; } +}; + +class GCHeapSummary; +class PSHeapSummary; + +class GCHeapSummaryVisitor { + public: + virtual void visit(const GCHeapSummary* heap_summary) const = 0; + virtual void visit(const PSHeapSummary* heap_summary) const {} +}; + +class GCHeapSummary : public StackObj { + VirtualSpaceSummary _heap; + size_t _used; + + public: + GCHeapSummary(VirtualSpaceSummary& heap_space, size_t used) : + _heap(heap_space), _used(used) { } + + const VirtualSpaceSummary& heap() const { return _heap; } + size_t used() const { return _used; } + + virtual void accept(GCHeapSummaryVisitor* visitor) const { + visitor->visit(this); + } +}; + +class PSHeapSummary : public GCHeapSummary { + VirtualSpaceSummary _old; + SpaceSummary _old_space; + VirtualSpaceSummary _young; + SpaceSummary _eden; + SpaceSummary _from; + SpaceSummary _to; + public: + PSHeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, VirtualSpaceSummary old, SpaceSummary old_space, VirtualSpaceSummary young, SpaceSummary eden, SpaceSummary from, SpaceSummary to) : + GCHeapSummary(heap_space, heap_used), _old(old), _old_space(old_space), _young(young), _eden(eden), _from(from), _to(to) { } + const VirtualSpaceSummary& old() const { return _old; } + const SpaceSummary& old_space() const { return _old_space; } + const VirtualSpaceSummary& young() const { return _young; } + const SpaceSummary& eden() const { return _eden; } + const SpaceSummary& from() const { return _from; } + const SpaceSummary& to() const { return _to; } + + virtual void accept(GCHeapSummaryVisitor* visitor) const { + visitor->visit(this); + } +}; + +class PermGenSummary : public StackObj { + VirtualSpaceSummary _perm_space; + SpaceSummary _object_space; + + public: + PermGenSummary(const VirtualSpaceSummary& perm_space, const SpaceSummary& object_space) : + _perm_space(perm_space), _object_space(object_space) { } + + const VirtualSpaceSummary& perm_space() const { return _perm_space; } + const SpaceSummary& object_space() const { return _object_space; } +}; + +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTimer.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,374 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "utilities/growableArray.hpp" + +void GCTimer::register_gc_start(jlong time) { + _time_partitions.clear(); + _gc_start = time; +} + +void GCTimer::register_gc_end(jlong time) { + assert(!_time_partitions.has_active_phases(), + "We should have ended all started phases, before ending the GC"); + + _gc_end = time; +} + +void GCTimer::register_gc_pause_start(const char* name, jlong time) { + _time_partitions.report_gc_phase_start(name, time); +} + +void GCTimer::register_gc_pause_end(jlong time) { + _time_partitions.report_gc_phase_end(time); +} + +void GCTimer::register_gc_phase_start(const char* name, jlong time) { + _time_partitions.report_gc_phase_start(name, time); +} + +void GCTimer::register_gc_phase_end(jlong time) { + _time_partitions.report_gc_phase_end(time); +} + + +void STWGCTimer::register_gc_start(jlong time) { + GCTimer::register_gc_start(time); + register_gc_pause_start("GC Pause", time); +} + +void STWGCTimer::register_gc_end(jlong time) { + register_gc_pause_end(time); + GCTimer::register_gc_end(time); +} + +void ConcurrentGCTimer::register_gc_pause_start(const char* name, jlong time) { + GCTimer::register_gc_pause_start(name, time); +} + +void ConcurrentGCTimer::register_gc_pause_end(jlong time) { + GCTimer::register_gc_pause_end(time); +} + +void PhasesStack::clear() { + _next_phase_level = 0; +} + +void PhasesStack::push(int phase_index) { + assert(_next_phase_level < PHASE_LEVELS, "Overflow"); + + _phase_indices[_next_phase_level] = phase_index; + + _next_phase_level++; +} + +int PhasesStack::pop() { + assert(_next_phase_level > 0, "Underflow"); + + _next_phase_level--; + + return _phase_indices[_next_phase_level]; +} + +int PhasesStack::count() const { + return _next_phase_level; +} + + +TimePartitions::TimePartitions() { + _phases = new (ResourceObj::C_HEAP, mtGC) GrowableArray<PausePhase>(INITIAL_CAPACITY, true, mtGC); + clear(); +} + +TimePartitions::~TimePartitions() { + delete _phases; + _phases = NULL; +} + +void TimePartitions::clear() { + _phases->clear(); + _active_phases.clear(); + _sum_of_pauses = 0; + _longest_pause = 0; +} + +void TimePartitions::report_gc_phase_start(const char* name, jlong time) { + assert(_phases->length() <= 1000, "Too many recored phases?"); + + int level = _active_phases.count(); + + PausePhase phase; + phase.set_level(level); + phase.set_name(name); + phase.set_start(time); + + int index = _phases->append(phase); + + _active_phases.push(index); +} + +void TimePartitions::update_statistics(GCPhase* phase) { + // FIXME: This should only be done for pause phases + if (phase->level() == 0) { + jlong pause = phase->end() - phase->start(); + _sum_of_pauses += pause; + _longest_pause = MAX2(pause, _longest_pause); + } +} + +void TimePartitions::report_gc_phase_end(jlong time) { + int phase_index = _active_phases.pop(); + GCPhase* phase = _phases->adr_at(phase_index); + phase->set_end(time); + update_statistics(phase); +} + +int TimePartitions::num_phases() const { + return _phases->length(); +} + +GCPhase* TimePartitions::phase_at(int index) const { + assert(index >= 0, "Out of bounds"); + assert(index < _phases->length(), "Out of bounds"); + + return _phases->adr_at(index); +} + +jlong TimePartitions::sum_of_pauses() { + return _sum_of_pauses; +} + +jlong TimePartitions::longest_pause() { + return _longest_pause; +} + +bool TimePartitions::has_active_phases() { + return _active_phases.count() > 0; +} + +bool TimePartitionPhasesIterator::has_next() { + return _next < _time_partitions->num_phases(); +} + +GCPhase* TimePartitionPhasesIterator::next() { + assert(has_next(), "Must have phases left"); + return _time_partitions->phase_at(_next++); +} + + +/////////////// Unit tests /////////////// + +#ifndef PRODUCT + +class TimePartitionPhasesIteratorTest { + public: + static void all() { + one_pause(); + two_pauses(); + one_sub_pause_phase(); + many_sub_pause_phases(); + many_sub_pause_phases2(); + max_nested_pause_phases(); + } + + static void validate_pause_phase(GCPhase* phase, int level, const char* name, jlong start, jlong end) { + assert(phase->level() == level, "Incorrect level"); + assert(strcmp(phase->name(), name) == 0, "Incorrect name"); + assert(phase->start() == start, "Incorrect start"); + assert(phase->end() == end, "Incorrect end"); + } + + static void one_pause() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase", 2); + time_partitions.report_gc_phase_end(8); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase", 2, 8); + assert(time_partitions.sum_of_pauses() == 8-2, "Incorrect"); + assert(time_partitions.longest_pause() == 8-2, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } + + static void two_pauses() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase1", 2); + time_partitions.report_gc_phase_end(3); + time_partitions.report_gc_phase_start("PausePhase2", 4); + time_partitions.report_gc_phase_end(6); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase1", 2, 3); + validate_pause_phase(iter.next(), 0, "PausePhase2", 4, 6); + + assert(time_partitions.sum_of_pauses() == 3, "Incorrect"); + assert(time_partitions.longest_pause() == 2, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } + + static void one_sub_pause_phase() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase", 2); + time_partitions.report_gc_phase_start("SubPhase", 3); + time_partitions.report_gc_phase_end(4); + time_partitions.report_gc_phase_end(5); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase", 2, 5); + validate_pause_phase(iter.next(), 1, "SubPhase", 3, 4); + + assert(time_partitions.sum_of_pauses() == 3, "Incorrect"); + assert(time_partitions.longest_pause() == 3, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } + + static void max_nested_pause_phases() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase", 2); + time_partitions.report_gc_phase_start("SubPhase1", 3); + time_partitions.report_gc_phase_start("SubPhase2", 4); + time_partitions.report_gc_phase_start("SubPhase3", 5); + time_partitions.report_gc_phase_end(6); + time_partitions.report_gc_phase_end(7); + time_partitions.report_gc_phase_end(8); + time_partitions.report_gc_phase_end(9); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase", 2, 9); + validate_pause_phase(iter.next(), 1, "SubPhase1", 3, 8); + validate_pause_phase(iter.next(), 2, "SubPhase2", 4, 7); + validate_pause_phase(iter.next(), 3, "SubPhase3", 5, 6); + + assert(time_partitions.sum_of_pauses() == 7, "Incorrect"); + assert(time_partitions.longest_pause() == 7, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } + + static void many_sub_pause_phases() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase", 2); + + time_partitions.report_gc_phase_start("SubPhase1", 3); + time_partitions.report_gc_phase_end(4); + time_partitions.report_gc_phase_start("SubPhase2", 5); + time_partitions.report_gc_phase_end(6); + time_partitions.report_gc_phase_start("SubPhase3", 7); + time_partitions.report_gc_phase_end(8); + time_partitions.report_gc_phase_start("SubPhase4", 9); + time_partitions.report_gc_phase_end(10); + + time_partitions.report_gc_phase_end(11); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase", 2, 11); + validate_pause_phase(iter.next(), 1, "SubPhase1", 3, 4); + validate_pause_phase(iter.next(), 1, "SubPhase2", 5, 6); + validate_pause_phase(iter.next(), 1, "SubPhase3", 7, 8); + validate_pause_phase(iter.next(), 1, "SubPhase4", 9, 10); + + assert(time_partitions.sum_of_pauses() == 9, "Incorrect"); + assert(time_partitions.longest_pause() == 9, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } + + static void many_sub_pause_phases2() { + TimePartitions time_partitions; + time_partitions.report_gc_phase_start("PausePhase", 2); + + time_partitions.report_gc_phase_start("SubPhase1", 3); + time_partitions.report_gc_phase_start("SubPhase11", 4); + time_partitions.report_gc_phase_end(5); + time_partitions.report_gc_phase_start("SubPhase12", 6); + time_partitions.report_gc_phase_end(7); + time_partitions.report_gc_phase_end(8); + time_partitions.report_gc_phase_start("SubPhase2", 9); + time_partitions.report_gc_phase_start("SubPhase21", 10); + time_partitions.report_gc_phase_end(11); + time_partitions.report_gc_phase_start("SubPhase22", 12); + time_partitions.report_gc_phase_end(13); + time_partitions.report_gc_phase_end(14); + time_partitions.report_gc_phase_start("SubPhase3", 15); + time_partitions.report_gc_phase_end(16); + + time_partitions.report_gc_phase_end(17); + + TimePartitionPhasesIterator iter(&time_partitions); + + validate_pause_phase(iter.next(), 0, "PausePhase", 2, 17); + validate_pause_phase(iter.next(), 1, "SubPhase1", 3, 8); + validate_pause_phase(iter.next(), 2, "SubPhase11", 4, 5); + validate_pause_phase(iter.next(), 2, "SubPhase12", 6, 7); + validate_pause_phase(iter.next(), 1, "SubPhase2", 9, 14); + validate_pause_phase(iter.next(), 2, "SubPhase21", 10, 11); + validate_pause_phase(iter.next(), 2, "SubPhase22", 12, 13); + validate_pause_phase(iter.next(), 1, "SubPhase3", 15, 16); + + assert(time_partitions.sum_of_pauses() == 15, "Incorrect"); + assert(time_partitions.longest_pause() == 15, "Incorrect"); + + assert(!iter.has_next(), "Too many elements"); + } +}; + +class GCTimerTest { +public: + static void all() { + gc_start(); + gc_end(); + } + + static void gc_start() { + GCTimer gc_timer; + gc_timer.register_gc_start(1); + + assert(gc_timer.gc_start() == 1, "Incorrect"); + } + + static void gc_end() { + GCTimer gc_timer; + gc_timer.register_gc_start(1); + gc_timer.register_gc_end(2); + + assert(gc_timer.gc_end() == 2, "Incorrect"); + } +}; + +void GCTimerAllTest::all() { + GCTimerTest::all(); + TimePartitionPhasesIteratorTest::all(); +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTimer.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTIMER_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTIMER_HPP + +#include "memory/allocation.hpp" +#include "prims/jni_md.h" +#include "utilities/macros.hpp" + +class ConcurrentPhase; +class GCPhase; +class PausePhase; + +template <class E> class GrowableArray; + +class PhaseVisitor { + public: + virtual void visit(GCPhase* phase) = 0; + virtual void visit(PausePhase* phase) { visit((GCPhase*)phase); } + virtual void visit(ConcurrentPhase* phase) { visit((GCPhase*)phase); } +}; + +class GCPhase { + const char* _name; + int _level; + jlong _start; + jlong _end; + + public: + void set_name(const char* name) { _name = name; } + const char* name() { return _name; } + + int level() { return _level; } + void set_level(int level) { _level = level; } + + jlong start() { return _start; } + void set_start(jlong time) { _start = time; } + + jlong end() { return _end; } + void set_end(jlong time) { _end = time; } + + virtual void accept(PhaseVisitor* visitor) = 0; +}; + +class PausePhase : public GCPhase { + public: + void accept(PhaseVisitor* visitor) { + visitor->visit(this); + } +}; + +class ConcurrentPhase : public GCPhase { + void accept(PhaseVisitor* visitor) { + visitor->visit(this); + } +}; + +class PhasesStack { + public: + // FIXME: Temporary set to 5 (used to be 4), since Reference processing needs it. + static const int PHASE_LEVELS = 5; + + private: + int _phase_indices[PHASE_LEVELS]; + int _next_phase_level; + + public: + PhasesStack() { clear(); } + void clear(); + + void push(int phase_index); + int pop(); + int count() const; +}; + +class TimePartitions { + static const int INITIAL_CAPACITY = 10; + + // Currently we only support pause phases. + GrowableArray<PausePhase>* _phases; + PhasesStack _active_phases; + + jlong _sum_of_pauses; + jlong _longest_pause; + + public: + TimePartitions(); + ~TimePartitions(); + void clear(); + + void report_gc_phase_start(const char* name, jlong time); + void report_gc_phase_end(jlong time); + + int num_phases() const; + GCPhase* phase_at(int index) const; + + jlong sum_of_pauses(); + jlong longest_pause(); + + bool has_active_phases(); + private: + void update_statistics(GCPhase* phase); +}; + +class PhasesIterator { + public: + virtual bool has_next() = 0; + virtual GCPhase* next() = 0; +}; + +class GCTimer : public ResourceObj { + NOT_PRODUCT(friend class GCTimerTest;) + protected: + jlong _gc_start; + jlong _gc_end; + TimePartitions _time_partitions; + + public: + virtual void register_gc_start(jlong time); + virtual void register_gc_end(jlong time); + + void register_gc_phase_start(const char* name, jlong time); + void register_gc_phase_end(jlong time); + + jlong gc_start() { return _gc_start; } + jlong gc_end() { return _gc_end; } + + TimePartitions* time_partitions() { return &_time_partitions; } + + long longest_pause(); + long sum_of_pauses(); + + protected: + void register_gc_pause_start(const char* name, jlong time); + void register_gc_pause_end(jlong time); +}; + +class STWGCTimer : public GCTimer { + public: + virtual void register_gc_start(jlong time); + virtual void register_gc_end(jlong time); +}; + +class ConcurrentGCTimer : public GCTimer { + public: + void register_gc_pause_start(const char* name, jlong time); + void register_gc_pause_end(jlong time); +}; + +class TimePartitionPhasesIterator { + TimePartitions* _time_partitions; + int _next; + + public: + TimePartitionPhasesIterator(TimePartitions* time_partitions) : _time_partitions(time_partitions), _next(0) { } + + virtual bool has_next(); + virtual GCPhase* next(); +}; + + +/////////////// Unit tests /////////////// + +#ifndef PRODUCT + +class GCTimerAllTest { + public: + static void all(); +}; + +#endif + +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTIMER_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTrace.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "memory/referenceProcessorStats.hpp" +#include "runtime/atomic.hpp" +#include "utilities/globalDefinitions.hpp" + +#define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?") +#define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?") + +static volatile jlong GCTracer_next_gc_id = 0; +static GCId create_new_gc_id() { + return Atomic::add((jlong)1, &GCTracer_next_gc_id); +} + +void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) { + assert_unset_gc_id(); + + GCId gc_id = create_new_gc_id(); + _shared_gc_info.set_id(gc_id); + _shared_gc_info.set_cause(cause); + _shared_gc_info.set_start_timestamp(timestamp); +} + +void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) { + assert_unset_gc_id(); + + report_gc_start_impl(cause, timestamp); +} + +bool GCTracer::has_reported_gc_start() const { + return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID; +} + +void GCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); + _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); + _shared_gc_info.set_end_timestamp(timestamp); + + send_phase_events(time_partitions); + send_garbage_collection_event(); +} + +void GCTracer::report_gc_end(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + report_gc_end_impl(timestamp, time_partitions); + + _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID); +} + +void GCTracer::report_gc_reference_processing(const ReferenceProcessorStats& rps) const { + assert_set_gc_id(); + + send_reference_processing_event(REF_SOFT, rps.soft_count()); + send_reference_processing_event(REF_WEAK, rps.weak_count()); + send_reference_processing_event(REF_FINAL, rps.final_count()); + send_reference_processing_event(REF_PHANTOM, rps.phantom_count()); +} + +void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const PermGenSummary& perm_gen_summary) const { + assert_set_gc_id(); + + send_gc_heap_summary_event(when, heap_summary); + send_perm_gen_summary_event(when, perm_gen_summary); +} + +void YoungGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + GCTracer::report_gc_end_impl(timestamp, time_partitions); + send_young_gc_event(); +} + +void YoungGCTracer::report_promotion_failed(size_t size, uint count) { + assert_set_gc_id(); + + young_gc_info().register_promotion_failed(); + send_promotion_failed_event(size, count); +} + + +void OldGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + GCTracer::report_gc_end_impl(timestamp, time_partitions); + send_old_gc_event(); +} + +void ParallelOldTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + OldGCTracer::report_gc_end_impl(timestamp, time_partitions); + send_parallel_old_event(); +} + +void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { + assert_set_gc_id(); + + _parallel_old_gc_info.report_dense_prefix(dense_prefix); +} + +#ifndef SERIALGC +void G1NewTracer::report_yc_type(G1YCType type) { + assert_set_gc_id(); + + _g1_young_gc_info.set_type(type); +} + +void G1NewTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { + assert_set_gc_id(); + + YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); + send_g1_young_gc_event(); +} +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTrace.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,233 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP + +#include "gc_interface/gcCause.hpp" +#include "gc_interface/gcName.hpp" +#include "gc_implementation/shared/gcWhen.hpp" +#include "memory/allocation.hpp" +#include "memory/referenceType.hpp" +#ifndef SERIALGC +#include "gc_implementation/g1/g1YCTypes.hpp" +#endif + +typedef uint GCId; + +class GCHeapSummary; +class PermGenSummary; +class PSHeapSummary; +class ReferenceProcessorStats; +class TimePartitions; + +class SharedGCInfo VALUE_OBJ_CLASS_SPEC { + static const jlong UNSET_TIMESTAMP = -1; + + public: + static const GCId UNSET_GCID = (GCId)-1; + + private: + GCId _id; + GCName _name; + GCCause::Cause _cause; + jlong _start_timestamp; + jlong _end_timestamp; + jlong _sum_of_pauses; + jlong _longest_pause; + + public: + SharedGCInfo(GCName name) : _id(UNSET_GCID), _name(name), _cause(GCCause::_last_gc_cause), + _start_timestamp(UNSET_TIMESTAMP), _end_timestamp(UNSET_TIMESTAMP), _sum_of_pauses(0), _longest_pause(0) {} + + void set_id(GCId id) { _id = id; } + GCId id() const { return _id; } + + void set_start_timestamp(jlong timestamp) { _start_timestamp = timestamp; } + jlong start_timestamp() const { return _start_timestamp; } + + void set_end_timestamp(jlong timestamp) { _end_timestamp = timestamp; } + jlong end_timestamp() const { return _end_timestamp; } + + void set_name(GCName name) { _name = name; } + GCName name() const { return _name; } + + void set_cause(GCCause::Cause cause) { _cause = cause; } + GCCause::Cause cause() const { return _cause; } + + void set_sum_of_pauses(jlong duration) { _sum_of_pauses = duration; } + jlong sum_of_pauses() const { return _sum_of_pauses; } + + void set_longest_pause(jlong duration) { _longest_pause = duration; } + jlong longest_pause() const { return _longest_pause; } +}; + +class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC { + void* _dense_prefix; + public: + ParallelOldGCInfo() : _dense_prefix(NULL) {} + void report_dense_prefix(void* addr) { + _dense_prefix = addr; + } + void* dense_prefix() const { return _dense_prefix; } +}; + +class YoungGCInfo VALUE_OBJ_CLASS_SPEC { + bool _promotion_failed; + public: + YoungGCInfo() : _promotion_failed(false) {} + void register_promotion_failed() { + _promotion_failed = true; + } + bool promotion_failed() const { return _promotion_failed; } +}; + +#ifndef SERIALGC + +class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC { + G1YCType _type; + public: + G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {} + void set_type(G1YCType type) { + _type = type; + } + G1YCType type() const { return _type; } +}; + +#endif // SERIALGC + +class GCTracer : public ResourceObj { + protected: + SharedGCInfo _shared_gc_info; + + public: + void report_gc_start(GCCause::Cause cause, jlong timestamp); + void report_gc_end(jlong timestamp, TimePartitions* time_partitions); + void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const PermGenSummary& perm_gen_summary) const; + void report_gc_reference_processing(const ReferenceProcessorStats& rp) const; + + bool has_reported_gc_start() const; + + protected: + GCTracer(GCName name) : _shared_gc_info(name) {} + virtual void report_gc_start_impl(GCCause::Cause cause, jlong timestamp); + virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); + + private: + void send_garbage_collection_event() const; + void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const; + void send_perm_gen_summary_event(GCWhen::Type when, const PermGenSummary& perm_gen_summary) const; + void send_reference_processing_event(ReferenceType type, size_t count) const; + void send_phase_events(TimePartitions* time_partitions) const; +}; + +class YoungGCTracer : public GCTracer { + YoungGCInfo _young_gc_info; + + protected: + YoungGCTracer(GCName name) : GCTracer(name) {} + virtual YoungGCInfo& young_gc_info() { return _young_gc_info; } + + public: + virtual void report_promotion_failed(size_t size, uint count); + + protected: + virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); + + private: + void send_young_gc_event() const; + void send_promotion_failed_event(size_t size, uint count) const; +}; + +class OldGCTracer : public GCTracer { + protected: + OldGCTracer(GCName name) : GCTracer(name) {} + + protected: + virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); + + private: + void send_old_gc_event() const; +}; + +class ParallelOldTracer : public OldGCTracer { + ParallelOldGCInfo _parallel_old_gc_info; + + public: + ParallelOldTracer() : OldGCTracer(ParallelOld) {} + void report_dense_prefix(void* dense_prefix); + + protected: + void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); + + private: + void send_parallel_old_event() const; +}; + +class SerialOldTracer : public OldGCTracer { + public: + SerialOldTracer() : OldGCTracer(SerialOld) {} +}; + +class ParallelScavengeTracer : public YoungGCTracer { + public: + ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {} +}; + +class DefNewTracer : public YoungGCTracer { + public: + DefNewTracer() : YoungGCTracer(DefNew) {} +}; + +class ParNewTracer : public YoungGCTracer { + public: + ParNewTracer() : YoungGCTracer(ParNew) {} +}; + +#ifndef SERIALGC +class G1NewTracer : public YoungGCTracer { + G1YoungGCInfo _g1_young_gc_info; + + public: + G1NewTracer() : YoungGCTracer(G1New) {} + + void report_yc_type(G1YCType type); + void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); + + private: + void send_g1_young_gc_event(); +}; +#endif + +class CMSTracer : public OldGCTracer { + public: + CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {} +}; + +class G1OldTracer : public OldGCTracer { + public: + G1OldTracer() : OldGCTracer(G1Old) {} +}; + +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTraceSend.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,235 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcWhen.hpp" +#include "trace/tracing.hpp" +#ifndef SERIALGC +#include "gc_implementation/g1/g1YCTypes.hpp" +#endif + +// All GC dependencies against the trace framework is contained within this file. + +typedef uintptr_t TraceAddress; + +void GCTracer::send_garbage_collection_event() const { + EventGCGarbageCollection event(UNTIMED); + if (event.should_commit()) { + event.set_gcId(_shared_gc_info.id()); + event.set_name(_shared_gc_info.name()); + event.set_cause((u2) _shared_gc_info.cause()); + event.set_sumOfPauses(_shared_gc_info.sum_of_pauses()); + event.set_longestPause(_shared_gc_info.longest_pause()); + event.set_starttime(_shared_gc_info.start_timestamp()); + event.set_endtime(_shared_gc_info.end_timestamp()); + event.commit(); + } +} + +void GCTracer::send_reference_processing_event(ReferenceType type, size_t count) const { + EventGCReferenceProcessing e; + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_type((u1)type); + e.set_count(count); + e.commit(); + } +} + +void ParallelOldTracer::send_parallel_old_event() const { + EventGCParallelOld e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix()); + e.set_starttime(_shared_gc_info.start_timestamp()); + e.set_endtime(_shared_gc_info.end_timestamp()); + e.commit(); + } +} + +void YoungGCTracer::send_young_gc_event() const { + EventGCYoungGarbageCollection e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_promotionFailed(_young_gc_info.promotion_failed()); + e.set_starttime(_shared_gc_info.start_timestamp()); + e.set_endtime(_shared_gc_info.end_timestamp()); + e.commit(); + } +} + +void OldGCTracer::send_old_gc_event() const { + EventGCOldGarbageCollection e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_starttime(_shared_gc_info.start_timestamp()); + e.set_endtime(_shared_gc_info.end_timestamp()); + e.commit(); + } +} + +void YoungGCTracer::send_promotion_failed_event(size_t size, uint count) const { + EventPromotionFailed e; + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_objectCount(count); + e.set_totalSize(size); + e.commit(); + } +} + +#ifndef SERIALGC +void G1NewTracer::send_g1_young_gc_event() { + EventGCG1GarbageCollection e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_type(_g1_young_gc_info.type()); + e.set_starttime(_shared_gc_info.start_timestamp()); + e.set_endtime(_shared_gc_info.end_timestamp()); + e.commit(); + } +} +#endif + +static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) { + TraceStructVirtualSpace space; + space.set_start((TraceAddress)summary.start()); + space.set_committedEnd((TraceAddress)summary.committed_end()); + space.set_committedSize(summary.committed_size()); + space.set_reservedEnd((TraceAddress)summary.reserved_end()); + space.set_reservedSize(summary.reserved_size()); + return space; +} + +static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) { + TraceStructObjectSpace space; + space.set_start((TraceAddress)summary.start()); + space.set_end((TraceAddress)summary.end()); + space.set_used(summary.used()); + space.set_size(summary.size()); + return space; +} + +class GCHeapSummaryEventSender : public GCHeapSummaryVisitor { + GCId _id; + GCWhen::Type _when; + public: + GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {} + + void visit(const GCHeapSummary* heap_summary) const { + const VirtualSpaceSummary& heap_space = heap_summary->heap(); + + EventGCHeapSummary e; + if (e.should_commit()) { + e.set_gcId(_id); + e.set_when((u1)_when); + e.set_heapSpace(to_trace_struct(heap_space)); + e.set_heapUsed(heap_summary->used()); + e.commit(); + } + } + + void visit(const PSHeapSummary* ps_heap_summary) const { + visit((GCHeapSummary*)ps_heap_summary); + + EventPSHeapSummary e; + if (e.should_commit()) { + e.set_gcId(_id); + e.set_when((u1)_when); + e.set_oldSpace(to_trace_struct(ps_heap_summary->old())); + e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space())); + e.set_youngSpace(to_trace_struct(ps_heap_summary->young())); + e.set_edenSpace(to_trace_struct(ps_heap_summary->eden())); + e.set_fromSpace(to_trace_struct(ps_heap_summary->from())); + e.set_toSpace(to_trace_struct(ps_heap_summary->to())); + e.commit(); + } + } +}; + +void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const { + GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when); + heap_summary.accept(&visitor); +} + +void GCTracer::send_perm_gen_summary_event(GCWhen::Type when, const PermGenSummary& perm_gen_summary) const { + const VirtualSpaceSummary& perm_space = perm_gen_summary.perm_space(); + const SpaceSummary& object_space = perm_gen_summary.object_space(); + + EventPermGenSummary e; + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.set_when((u1) when); + e.set_permSpace(to_trace_struct(perm_space)); + e.set_objectSpace(to_trace_struct(object_space)); + e.commit(); + } +} + +class PhaseSender : public PhaseVisitor { + GCId _gc_id; + public: + PhaseSender(GCId gc_id) : _gc_id(gc_id) {} + + template<typename T> + void send_phase(PausePhase* pause) { + T event(UNTIMED); + if (event.should_commit()) { + event.set_gcId(_gc_id); + event.set_name(pause->name()); + event.set_starttime(pause->start()); + event.set_endtime(pause->end()); + event.commit(); + } + } + + void visit(GCPhase* pause) { ShouldNotReachHere(); } + void visit(ConcurrentPhase* pause) { Unimplemented(); } + void visit(PausePhase* pause) { + assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types"); + + switch (pause->level()) { + case 0: send_phase<EventGCPhasePause>(pause); break; + case 1: send_phase<EventGCPhasePauseLevel1>(pause); break; + case 2: send_phase<EventGCPhasePauseLevel2>(pause); break; + case 3: send_phase<EventGCPhasePauseLevel3>(pause); break; + default: /* Ignore sending this phase */ break; + } + } + +#undef send_phase +}; + +void GCTracer::send_phase_events(TimePartitions* time_partitions) const { + PhaseSender phase_reporter(_shared_gc_info.id()); + + TimePartitionPhasesIterator iter(time_partitions); + while (iter.has_next()) { + GCPhase* phase = iter.next(); + phase->accept(&phase_reporter); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTraceTime.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" +#include "runtime/globals.hpp" +#include "runtime/os.hpp" +#include "runtime/safepoint.hpp" +#include "runtime/timer.hpp" +#include "utilities/ostream.hpp" +#ifdef TARGET_OS_FAMILY_linux +# include "thread_linux.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_solaris +# include "thread_solaris.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_windows +# include "thread_windows.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_bsd +# include "thread_bsd.inline.hpp" +#endif + + +GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer) : + _title(title), _doit(doit), _print_cr(print_cr), _timer(timer) { + if (_doit || _timer != NULL) { + _start_counter = os::elapsed_counter(); + } + + if (_timer != NULL) { + assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints"); + assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread"); + + _timer->register_gc_phase_start(title, _start_counter); + } + + if (_doit) { + if (PrintGCTimeStamps) { + gclog_or_tty->stamp(); + gclog_or_tty->print(": "); + } + gclog_or_tty->print("[%s", title); + gclog_or_tty->flush(); + } +} + +GCTraceTime::~GCTraceTime() { + jlong stop_counter = 0; + + if (_doit || _timer != NULL) { + stop_counter = os::elapsed_counter(); + } + + if (_timer != NULL) { + _timer->register_gc_phase_end(stop_counter); + } + + if (_doit) { + double seconds = TimeHelper::counter_to_seconds(stop_counter - _start_counter); + if (_print_cr) { + gclog_or_tty->print_cr(", %3.7f secs]", seconds); + } else { + gclog_or_tty->print(", %3.7f secs]", seconds); + } + gclog_or_tty->flush(); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTraceTime.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP + +#include "prims/jni_md.h" + +class GCTimer; + +class GCTraceTime { + const char* _title; + bool _doit; + bool _print_cr; + GCTimer* _timer; + jlong _start_counter; + + public: + GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer); + ~GCTraceTime(); +}; + +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcWhen.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCWHEN_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCWHEN_HPP + +#include "memory/allocation.hpp" +#include "utilities/debug.hpp" + +class GCWhen : AllStatic { + public: + enum Type { + BeforeGC, + AfterGC, + GCWhenEndSentinel + }; + + static const char* to_string(GCWhen::Type when) { + switch (when) { + case BeforeGC: return "Before GC"; + case AfterGC: return "After GC"; + default: ShouldNotReachHere(); return NULL; + } + } +}; + +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCWHEN_HPP
--- a/src/share/vm/gc_implementation/shared/markSweep.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/shared/markSweep.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -24,6 +24,8 @@ #include "precompiled.hpp" #include "compiler/compileBroker.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" #include "gc_implementation/shared/markSweep.inline.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "oops/methodDataOop.hpp" @@ -41,6 +43,8 @@ size_t MarkSweep::_preserved_count_max = 0; PreservedMark* MarkSweep::_preserved_marks = NULL; ReferenceProcessor* MarkSweep::_ref_processor = NULL; +STWGCTimer* MarkSweep::_gc_timer = NULL; +SerialOldTracer* MarkSweep::_gc_tracer = NULL; #ifdef VALIDATE_MARK_SWEEP GrowableArray<void*>* MarkSweep::_root_refs_stack = NULL; @@ -340,7 +344,10 @@ void MarkSweep::KeepAliveClosure::do_oop(oop* p) { MarkSweep::KeepAliveClosure::do_oop_work(p); } void MarkSweep::KeepAliveClosure::do_oop(narrowOop* p) { MarkSweep::KeepAliveClosure::do_oop_work(p); } -void marksweep_init() { /* empty */ } +void marksweep_init() { + MarkSweep::_gc_timer = new (ResourceObj::C_HEAP, mtGC) STWGCTimer(); + MarkSweep::_gc_tracer = new (ResourceObj::C_HEAP, mtGC) SerialOldTracer(); +} #ifndef PRODUCT
--- a/src/share/vm/gc_implementation/shared/markSweep.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_implementation/shared/markSweep.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,6 +36,8 @@ class ReferenceProcessor; class DataLayout; +class SerialOldTracer; +class STWGCTimer; // MarkSweep takes care of global mark-compact garbage collection for a // GenCollectedHeap using a four-phase pointer forwarding algorithm. All @@ -139,6 +141,9 @@ // Reference processing (used in ...follow_contents) static ReferenceProcessor* _ref_processor; + static STWGCTimer* _gc_timer; + static SerialOldTracer* _gc_tracer; + #ifdef VALIDATE_MARK_SWEEP static GrowableArray<void*>* _root_refs_stack; static GrowableArray<oop> * _live_oops; @@ -192,6 +197,9 @@ // Reference Processing static ReferenceProcessor* const ref_processor() { return _ref_processor; } + static STWGCTimer* gc_timer() { return _gc_timer; } + static SerialOldTracer* gc_tracer() { return _gc_tracer; } + // Call backs for marking static void mark_object(oop obj); // Mark pointer and follow contents. Empty marking stack afterwards.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/promotionFailedInfo.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP + +#include "utilities/globalDefinitions.hpp" + +class PromotionFailedInfo VALUE_OBJ_CLASS_SPEC { + uint _promotion_failed_count; + size_t _promotion_failed_size; + public: + PromotionFailedInfo() : _promotion_failed_count(0), _promotion_failed_size(0) {} + + void register_promotion_failed(size_t size) { + _promotion_failed_size += size; + _promotion_failed_count++; + } + + void set_promotion_failed(size_t size, uint count) { + _promotion_failed_size = size; + _promotion_failed_count = count; + } + + void reset() { + _promotion_failed_size = 0; + _promotion_failed_count = 0; + } + + bool promotion_failed() const { return _promotion_failed_size > 0; } + size_t promotion_failed_size() const { return _promotion_failed_size; } + uint promotion_failed_count() const { return _promotion_failed_count; } +}; + + +#endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP */ +
--- a/src/share/vm/gc_interface/collectedHeap.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_interface/collectedHeap.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -24,6 +24,10 @@ #include "precompiled.hpp" #include "classfile/systemDictionary.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" +#include "gc_implementation/shared/gcWhen.hpp" #include "gc_implementation/shared/vmGCOperations.hpp" #include "gc_interface/collectedHeap.hpp" #include "gc_interface/collectedHeap.inline.hpp" @@ -76,11 +80,61 @@ } } +VirtualSpaceSummary CollectedHeap::create_heap_space_summary() { + size_t capacity_in_words = capacity() / HeapWordSize; + + return VirtualSpaceSummary( + reserved_region().start(), reserved_region().start() + capacity_in_words, reserved_region().end()); +} + +GCHeapSummary CollectedHeap::create_heap_summary() { + VirtualSpaceSummary heap_space = create_heap_space_summary(); + return GCHeapSummary(heap_space, used()); +} + +PermGenSummary CollectedHeap::create_perm_gen_summary() { + VirtualSpaceSummary perm_space = create_perm_gen_space_summary(); + SpaceSummary object_space(perm_space.start(), perm_space.committed_end(), permanent_used()); + + return PermGenSummary(perm_space, object_space); +} + +void CollectedHeap::print_heap_before_gc() { + if (PrintHeapAtGC) { + Universe::print_heap_before_gc(); + } + if (_gc_heap_log != NULL) { + _gc_heap_log->log_heap_before(); + } +} + +void CollectedHeap::print_heap_after_gc() { + if (PrintHeapAtGC) { + Universe::print_heap_after_gc(); + } + if (_gc_heap_log != NULL) { + _gc_heap_log->log_heap_after(); + } +} + +void CollectedHeap::trace_heap(GCWhen::Type when, GCTracer* gc_tracer) { + const GCHeapSummary& heap_summary = create_heap_summary(); + const PermGenSummary& perm_summary = create_perm_gen_summary(); + gc_tracer->report_gc_heap_summary(when, heap_summary, perm_summary); +} + +void CollectedHeap::trace_heap_before_gc(GCTracer* gc_tracer) { + trace_heap(GCWhen::BeforeGC, gc_tracer); +} + +void CollectedHeap::trace_heap_after_gc(GCTracer* gc_tracer) { + trace_heap(GCWhen::AfterGC, gc_tracer); +} + // Memory state functions. CollectedHeap::CollectedHeap() : _n_par_threads(0) - { const size_t max_len = size_t(arrayOopDesc::max_array_length(T_INT)); const size_t elements_per_word = HeapWordSize / sizeof(jint); @@ -439,27 +493,27 @@ } } -void CollectedHeap::pre_full_gc_dump() { +void CollectedHeap::pre_full_gc_dump(GCTimer* timer) { if (HeapDumpBeforeFullGC) { - TraceTime tt("Heap Dump (before full gc): ", PrintGCDetails, false, gclog_or_tty); + GCTraceTime tt("Heap Dump (before full gc): ", PrintGCDetails, false, timer); // We are doing a "major" collection and a heap dump before // major collection has been requested. HeapDumper::dump_heap(); } if (PrintClassHistogramBeforeFullGC) { - TraceTime tt("Class Histogram (before full gc): ", PrintGCDetails, true, gclog_or_tty); + GCTraceTime tt("Class Histogram (before full gc): ", PrintGCDetails, true, timer); VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */); inspector.doit(); } } -void CollectedHeap::post_full_gc_dump() { +void CollectedHeap::post_full_gc_dump(GCTimer* timer) { if (HeapDumpAfterFullGC) { - TraceTime tt("Heap Dump (after full gc): ", PrintGCDetails, false, gclog_or_tty); + GCTraceTime tt("Heap Dump (after full gc): ", PrintGCDetails, false, timer); HeapDumper::dump_heap(); } if (PrintClassHistogramAfterFullGC) { - TraceTime tt("Class Histogram (after full gc): ", PrintGCDetails, true, gclog_or_tty); + GCTraceTime tt("Class Histogram (after full gc): ", PrintGCDetails, true, timer); VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */); inspector.doit(); }
--- a/src/share/vm/gc_interface/collectedHeap.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_interface/collectedHeap.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -26,6 +26,7 @@ #define SHARE_VM_GC_INTERFACE_COLLECTEDHEAP_HPP #include "gc_interface/gcCause.hpp" +#include "gc_implementation/shared/gcWhen.hpp" #include "memory/allocation.hpp" #include "memory/barrierSet.hpp" #include "runtime/handles.hpp" @@ -38,11 +39,16 @@ // class defines the functions that a heap must implement, and contains // infrastructure common to all heaps. +class AdaptiveSizePolicy; class BarrierSet; +class CollectorPolicy; +class GCHeapSummary; +class GCTimer; +class GCTracer; +class PermGenSummary; +class Thread; class ThreadClosure; -class AdaptiveSizePolicy; -class Thread; -class CollectorPolicy; +class VirtualSpaceSummary; class GCMessage : public FormatBuffer<1024> { public: @@ -175,6 +181,8 @@ // Fill with a single object (either an int array or a java.lang.Object). static inline void fill_with_object_impl(HeapWord* start, size_t words, bool zap = true); + virtual void trace_heap(GCWhen::Type when, GCTracer* tracer); + // Verification functions virtual void check_for_bad_heap_word_value(HeapWord* addr, size_t size) PRODUCT_RETURN; @@ -211,8 +219,6 @@ MemRegion reserved_region() const { return _reserved; } address base() const { return (address)reserved_region().start(); } - // Future cleanup here. The following functions should specify bytes or - // heapwords as part of their signature. virtual size_t capacity() const = 0; virtual size_t used() const = 0; @@ -609,8 +615,14 @@ virtual void prepare_for_verify() = 0; // Generate any dumps preceding or following a full gc - void pre_full_gc_dump(); - void post_full_gc_dump(); + void pre_full_gc_dump(GCTimer* timer); + void post_full_gc_dump(GCTimer* timer); + + VirtualSpaceSummary create_heap_space_summary(); + GCHeapSummary create_heap_summary(); + + virtual VirtualSpaceSummary create_perm_gen_space_summary() = 0; + PermGenSummary create_perm_gen_summary(); // Print heap information on the given outputStream. virtual void print_on(outputStream* st) const = 0; @@ -619,7 +631,7 @@ print_on(tty); } // Print more detailed heap information on the given - // outputStream. The default behaviour is to call print_on(). It is + // outputStream. The default behavior is to call print_on(). It is // up to each subclass to override it and add any additional output // it needs. virtual void print_extended_on(outputStream* st) const { @@ -640,23 +652,11 @@ // Default implementation does nothing. virtual void print_tracing_info() const = 0; - // If PrintHeapAtGC is set call the appropriate routi - void print_heap_before_gc() { - if (PrintHeapAtGC) { - Universe::print_heap_before_gc(); - } - if (_gc_heap_log != NULL) { - _gc_heap_log->log_heap_before(); - } - } - void print_heap_after_gc() { - if (PrintHeapAtGC) { - Universe::print_heap_after_gc(); - } - if (_gc_heap_log != NULL) { - _gc_heap_log->log_heap_after(); - } - } + void print_heap_before_gc(); + void print_heap_after_gc(); + + void trace_heap_before_gc(GCTracer* gc_tracer); + void trace_heap_after_gc(GCTracer* gc_tracer); // Heap verification virtual void verify(bool silent, VerifyOption option) = 0; @@ -670,7 +670,7 @@ inline bool promotion_should_fail(); // Reset the PromotionFailureALot counters. Should be called at the end of a - // GC in which promotion failure ocurred. + // GC in which promotion failure occurred. inline void reset_promotion_should_fail(volatile size_t* count); inline void reset_promotion_should_fail(); #endif // #ifndef PRODUCT
--- a/src/share/vm/gc_interface/collectedHeap.inline.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/gc_interface/collectedHeap.inline.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -355,7 +355,7 @@ !is_gc_active() && // Check that p is a methodOop. - p->klass() == Universe::methodKlassObj(); + p->unsafe_klass_or_null() == Universe::methodKlassObj(); }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_interface/gcName.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_GC_INTERFACE_GCNAME_HPP +#define SHARE_VM_GC_INTERFACE_GCNAME_HPP + +#include "utilities/debug.hpp" + +enum GCName { + ParallelOld, + SerialOld, + PSMarkSweep, + ParallelScavenge, + DefNew, + ParNew, + G1New, + ConcurrentMarkSweep, + G1Old, + GCNameEndSentinel +}; + +class GCNameHelper { + public: + static const char* to_string(GCName name) { + switch(name) { + case ParallelOld: return "ParallelOld"; + case SerialOld: return "SerialOld"; + case PSMarkSweep: return "PSMarkSweep"; + case ParallelScavenge: return "ParallelScavenge"; + case DefNew: return "DefNew"; + case ParNew: return "ParNew"; + case G1New: return "G1New"; + case ConcurrentMarkSweep: return "ConcurrentMarkSweep"; + case G1Old: return "G1Old"; + default: ShouldNotReachHere(); return NULL; + } + } +}; + +#endif // SHARE_VM_GC_INTERFACE_GCNAME_HPP
--- a/src/share/vm/memory/allocation.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/allocation.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -135,9 +135,10 @@ mtChunk = 0x0B00, // chunk that holds content of arenas mtJavaHeap = 0x0C00, // Java heap mtClassShared = 0x0D00, // class data sharing - mt_number_of_types = 0x000D, // number of memory types (mtDontTrack + mtTracing = 0x0E00, // memory used for Tracing + mt_number_of_types = 0x000E, // number of memory types (mtDontTrack // is not included as validate type) - mtDontTrack = 0x0E00, // memory we do not or cannot track + mtDontTrack = 0x0F00, // memory we do not or cannot track mt_masks = 0x7F00, // object type mask
--- a/src/share/vm/memory/defNewGeneration.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/defNewGeneration.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -25,6 +25,10 @@ #include "precompiled.hpp" #include "gc_implementation/shared/collectorCounters.hpp" #include "gc_implementation/shared/gcPolicyCounters.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" +#include "gc_implementation/shared/gcTrace.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" #include "memory/defNewGeneration.inline.hpp" #include "memory/gcLocker.inline.hpp" @@ -199,6 +203,8 @@ _next_gen = NULL; _tenuring_threshold = MaxTenuringThreshold; _pretenure_size_threshold_words = PretenureSizeThreshold >> LogHeapWordSize; + + _gc_timer = new (ResourceObj::C_HEAP, mtGC) STWGCTimer(); } void DefNewGeneration::compute_space_boundaries(uintx minimum_eden_size, @@ -529,7 +535,13 @@ size_t size, bool is_tlab) { assert(full || size > 0, "otherwise we don't want to collect"); + GenCollectedHeap* gch = GenCollectedHeap::heap(); + + _gc_timer->register_gc_start(os::elapsed_counter()); + DefNewTracer gc_tracer; + gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start()); + _next_gen = gch->next_gen(this); assert(_next_gen != NULL, "This must be the youngest gen, and not the only gen"); @@ -548,10 +560,12 @@ init_assuming_no_promotion_failure(); - TraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty); + GCTraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL); // Capture heap used before collection (for printing). size_t gch_prev_used = gch->used(); + gch->trace_heap_before_gc(&gc_tracer); + SpecializationStats::clear(); // These can be shared for all code paths @@ -597,7 +611,7 @@ ReferenceProcessor* rp = ref_processor(); rp->setup_policy(clear_all_soft_refs); rp->process_discovered_references(&is_alive, &keep_alive, &evacuate_followers, - NULL); + NULL, _gc_timer); if (!promotion_failed()) { // Swap the survivor spaces. eden()->clear(SpaceDecorator::Mangle); @@ -661,6 +675,12 @@ // does not guarantee monotonicity. jlong now = os::javaTimeNanos() / NANOSECS_PER_MILLISEC; update_time_of_last_gc(now); + + gch->trace_heap_after_gc(&gc_tracer); + + _gc_timer->register_gc_end(os::elapsed_counter()); + + gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions()); } class RemoveForwardPointerClosure: public ObjectClosure { @@ -929,6 +949,10 @@ from()->set_top_for_allocations(); } +void DefNewGeneration::ref_processor_init() { + Generation::ref_processor_init(); +} + void DefNewGeneration::update_counters() { if (UsePerfData) {
--- a/src/share/vm/memory/defNewGeneration.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/defNewGeneration.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,7 @@ class EdenSpace; class ContiguousSpace; class ScanClosure; +class STWGCTimer; // DefNewGeneration is a young generation containing eden, from- and // to-space. @@ -130,6 +131,8 @@ ContiguousSpace* _from_space; ContiguousSpace* _to_space; + STWGCTimer* _gc_timer; + enum SomeProtectedConstants { // Generations are GenGrain-aligned and have size that are multiples of // GenGrain. @@ -202,6 +205,8 @@ DefNewGeneration(ReservedSpace rs, size_t initial_byte_size, int level, const char* policy="Copy"); + virtual void ref_processor_init(); + virtual Generation::Name kind() { return Generation::DefNew; } // Accessing spaces
--- a/src/share/vm/memory/genCollectedHeap.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/genCollectedHeap.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -28,6 +28,7 @@ #include "classfile/vmSymbols.hpp" #include "code/icBuffer.hpp" #include "gc_implementation/shared/collectorCounters.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_implementation/shared/vmGCOperations.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/compactPermGen.hpp" @@ -493,7 +494,7 @@ const char* gc_cause_prefix = complete ? "Full GC" : "GC"; gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); - TraceTime t(GCCauseString(gc_cause_prefix, gc_cause()), PrintGCDetails, false, gclog_or_tty); + GCTraceTime t(GCCauseString(gc_cause_prefix, gc_cause()), PrintGCDetails, false, NULL); gc_prologue(complete); increment_total_collections(complete); @@ -522,10 +523,11 @@ // The full_collections increment was missed above. increment_total_full_collections(); } - pre_full_gc_dump(); // do any pre full gc dumps + pre_full_gc_dump(NULL); // do any pre full gc dumps } // Timer for individual generations. Last argument is false: no CR - TraceTime t1(_gens[i]->short_name(), PrintGCDetails, false, gclog_or_tty); + // FIXME: We should try to start the timing earlier to cover more of the GC pause + GCTraceTime t1(_gens[i]->short_name(), PrintGCDetails, false, NULL); TraceCollectorStats tcs(_gens[i]->counters()); TraceMemoryManagerStats tmms(_gens[i]->kind(),gc_cause()); @@ -641,7 +643,8 @@ complete = complete || (max_level_collected == n_gens() - 1); if (complete) { // We did a "major" collection - post_full_gc_dump(); // do any post full gc dumps + // FIXME: See comment at pre_full_gc_dump call + post_full_gc_dump(NULL); // do any post full gc dumps } if (PrintGCDetails) {
--- a/src/share/vm/memory/genMarkSweep.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/genMarkSweep.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -29,6 +29,10 @@ #include "classfile/vmSymbols.hpp" #include "code/codeCache.hpp" #include "code/icBuffer.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/genCollectedHeap.hpp" #include "memory/genMarkSweep.hpp" @@ -76,7 +80,9 @@ _ref_processor = rp; rp->setup_policy(clear_all_softrefs); - TraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty); + GCTraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL); + + gch->trace_heap_before_gc(_gc_tracer); // When collecting the permanent generation methodOops may be moving, // so we either have to flush all bcp data or convert it into bci. @@ -181,6 +187,8 @@ // does not guarantee monotonicity. jlong now = os::javaTimeNanos() / NANOSECS_PER_MILLISEC; gch->update_time_of_last_gc(now); + + gch->trace_heap_after_gc(_gc_tracer); } void GenMarkSweep::allocate_stacks() { @@ -258,7 +266,7 @@ void GenMarkSweep::mark_sweep_phase1(int level, bool clear_all_softrefs) { // Recursively traverse all live objects and mark them - TraceTime tm("phase 1", PrintGC && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 1", PrintGC && Verbose, true, _gc_timer); trace(" 1"); VALIDATE_MARK_SWEEP_ONLY(reset_live_oop_tracking(false)); @@ -284,7 +292,7 @@ { ref_processor()->setup_policy(clear_all_softrefs); ref_processor()->process_discovered_references( - &is_alive, &keep_alive, &follow_stack_closure, NULL); + &is_alive, &keep_alive, &follow_stack_closure, NULL, _gc_timer); } // Follow system dictionary roots and unload classes @@ -328,7 +336,7 @@ GenCollectedHeap* gch = GenCollectedHeap::heap(); Generation* pg = gch->perm_gen(); - TraceTime tm("phase 2", PrintGC && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 2", PrintGC && Verbose, true, _gc_timer); trace("2"); VALIDATE_MARK_SWEEP_ONLY(reset_live_oop_tracking(false)); @@ -352,7 +360,7 @@ Generation* pg = gch->perm_gen(); // Adjust the pointers to reflect the new locations - TraceTime tm("phase 3", PrintGC && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 3", PrintGC && Verbose, true, _gc_timer); trace("3"); VALIDATE_MARK_SWEEP_ONLY(reset_live_oop_tracking(false)); @@ -412,7 +420,7 @@ GenCollectedHeap* gch = GenCollectedHeap::heap(); Generation* pg = gch->perm_gen(); - TraceTime tm("phase 4", PrintGC && Verbose, true, gclog_or_tty); + GCTraceTime tm("phase 4", PrintGC && Verbose, true, _gc_timer); trace("4"); VALIDATE_MARK_SWEEP_ONLY(reset_live_oop_tracking(true));
--- a/src/share/vm/memory/generation.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/generation.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -23,6 +23,8 @@ */ #include "precompiled.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/allocation.inline.hpp" @@ -465,12 +467,26 @@ bool clear_all_soft_refs, size_t size, bool is_tlab) { + GenCollectedHeap* gch = GenCollectedHeap::heap(); + SpecializationStats::clear(); // Temporarily expand the span of our ref processor, so // refs discovery is over the entire heap, not just this generation ReferenceProcessorSpanMutator - x(ref_processor(), GenCollectedHeap::heap()->reserved_region()); + x(ref_processor(), gch->reserved_region()); + + STWGCTimer* gc_timer = GenMarkSweep::gc_timer(); + gc_timer->register_gc_start(os::elapsed_counter()); + + SerialOldTracer* gc_tracer = GenMarkSweep::gc_tracer(); + gc_tracer->report_gc_start(gch->gc_cause(), gc_timer->gc_start()); + GenMarkSweep::invoke_at_safepoint(_level, ref_processor(), clear_all_soft_refs); + + gc_timer->register_gc_end(os::elapsed_counter()); + + gc_tracer->report_gc_end(os::elapsed_counter(), gc_timer->time_partitions()); + SpecializationStats::print(); }
--- a/src/share/vm/memory/oopFactory.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/oopFactory.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -27,6 +27,7 @@ #include "classfile/symbolTable.hpp" #include "classfile/systemDictionary.hpp" +#include "memory/referenceType.hpp" #include "memory/universe.hpp" #include "oops/klassOop.hpp" #include "oops/objArrayKlass.hpp"
--- a/src/share/vm/memory/referenceProcessor.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/referenceProcessor.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -25,6 +25,8 @@ #include "precompiled.hpp" #include "classfile/javaClasses.hpp" #include "classfile/systemDictionary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTraceTime.hpp" #include "gc_interface/collectedHeap.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/referencePolicy.hpp" @@ -100,7 +102,8 @@ _discovered_list_needs_barrier(discovered_list_needs_barrier), _bs(NULL), _processing_is_mt(mt_processing), - _next_id(0) + _next_id(0), + _stats() { _span = span; _discovery_is_atomic = atomic_discovery; @@ -180,11 +183,27 @@ // past clock value. } +size_t ReferenceProcessor::total_count(DiscoveredList lists[]) { + size_t total = 0; + for (uint i = 0; i < _max_num_q; ++i) { + total += lists[i].length(); + } + return total; +} + +void ReferenceProcessor::save_discovered_list_stats() { + _stats._soft_count = total_count(_discoveredSoftRefs); + _stats._weak_count = total_count(_discoveredWeakRefs); + _stats._final_count = total_count(_discoveredFinalRefs); + _stats._phantom_count = total_count(_discoveredPhantomRefs); +} + void ReferenceProcessor::process_discovered_references( BoolObjectClosure* is_alive, OopClosure* keep_alive, VoidClosure* complete_gc, - AbstractRefProcTaskExecutor* task_executor) { + AbstractRefProcTaskExecutor* task_executor, + GCTimer* gc_timer) { NOT_PRODUCT(verify_ok_to_handle_reflists()); assert(!enqueuing_is_done(), "If here enqueuing should not be complete"); @@ -201,10 +220,12 @@ _soft_ref_timestamp_clock = java_lang_ref_SoftReference::clock(); + save_discovered_list_stats(); + bool trace_time = PrintGCDetails && PrintReferenceGC; // Soft references { - TraceTime tt("SoftReference", trace_time, false, gclog_or_tty); + GCTraceTime tt("SoftReference", trace_time, false, gc_timer); process_discovered_reflist(_discoveredSoftRefs, _current_soft_ref_policy, true, is_alive, keep_alive, complete_gc, task_executor); } @@ -213,21 +234,21 @@ // Weak references { - TraceTime tt("WeakReference", trace_time, false, gclog_or_tty); + GCTraceTime tt("WeakReference", trace_time, false, gc_timer); process_discovered_reflist(_discoveredWeakRefs, NULL, true, is_alive, keep_alive, complete_gc, task_executor); } // Final references { - TraceTime tt("FinalReference", trace_time, false, gclog_or_tty); + GCTraceTime tt("FinalReference", trace_time, false, gc_timer); process_discovered_reflist(_discoveredFinalRefs, NULL, false, is_alive, keep_alive, complete_gc, task_executor); } // Phantom references { - TraceTime tt("PhantomReference", trace_time, false, gclog_or_tty); + GCTraceTime tt("PhantomReference", trace_time, false, gc_timer); process_discovered_reflist(_discoveredPhantomRefs, NULL, false, is_alive, keep_alive, complete_gc, task_executor); } @@ -238,7 +259,7 @@ // thus use JNI weak references to circumvent the phantom references and // resurrect a "post-mortem" object. { - TraceTime tt("JNI Weak Reference", trace_time, false, gclog_or_tty); + GCTraceTime tt("JNI Weak Reference", trace_time, false, gc_timer); if (task_executor != NULL) { task_executor->set_single_threaded_mode(); } @@ -903,11 +924,7 @@ balance_queues(refs_lists); } if (PrintReferenceGC && PrintGCDetails) { - size_t total = 0; - for (uint i = 0; i < _max_num_q; ++i) { - total += refs_lists[i].length(); - } - gclog_or_tty->print(", %u refs", total); + gclog_or_tty->print(", %u refs", total_count(refs_lists)); } // Phase 1 (soft refs only): @@ -1268,7 +1285,8 @@ OopClosure* keep_alive, VoidClosure* complete_gc, YieldClosure* yield, - bool should_unload_classes) { + bool should_unload_classes, + GCTimer *gc_timer) { NOT_PRODUCT(verify_ok_to_handle_reflists()); @@ -1281,8 +1299,8 @@ #endif // Soft references { - TraceTime tt("Preclean SoftReferences", PrintGCDetails && PrintReferenceGC, - false, gclog_or_tty); + GCTraceTime tt("Preclean SoftReferences", PrintGCDetails && PrintReferenceGC, + false, gc_timer); for (uint i = 0; i < _max_num_q; i++) { if (yield->should_return()) { return; @@ -1294,8 +1312,8 @@ // Weak references { - TraceTime tt("Preclean WeakReferences", PrintGCDetails && PrintReferenceGC, - false, gclog_or_tty); + GCTraceTime tt("Preclean WeakReferences", PrintGCDetails && PrintReferenceGC, + false, gc_timer); for (uint i = 0; i < _max_num_q; i++) { if (yield->should_return()) { return; @@ -1307,8 +1325,8 @@ // Final references { - TraceTime tt("Preclean FinalReferences", PrintGCDetails && PrintReferenceGC, - false, gclog_or_tty); + GCTraceTime tt("Preclean FinalReferences", PrintGCDetails && PrintReferenceGC, + false, gc_timer); for (uint i = 0; i < _max_num_q; i++) { if (yield->should_return()) { return; @@ -1320,8 +1338,8 @@ // Phantom references { - TraceTime tt("Preclean PhantomReferences", PrintGCDetails && PrintReferenceGC, - false, gclog_or_tty); + GCTraceTime tt("Preclean PhantomReferences", PrintGCDetails && PrintReferenceGC, + false, gc_timer); for (uint i = 0; i < _max_num_q; i++) { if (yield->should_return()) { return;
--- a/src/share/vm/memory/referenceProcessor.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/referenceProcessor.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -26,8 +26,12 @@ #define SHARE_VM_MEMORY_REFERENCEPROCESSOR_HPP #include "memory/referencePolicy.hpp" +#include "memory/referenceProcessorStats.hpp" +#include "memory/referenceType.hpp" #include "oops/instanceRefKlass.hpp" +class GCTimer; + // ReferenceProcessor class encapsulates the per-"collector" processing // of java.lang.Reference objects for GC. The interface is useful for supporting // a generational abstraction, in particular when there are multiple @@ -204,6 +208,13 @@ }; class ReferenceProcessor : public CHeapObj<mtGC> { + + private: + ReferenceProcessorStats _stats; + + size_t total_count(DiscoveredList lists[]); + void save_discovered_list_stats(); + protected: // Compatibility with pre-4965777 JDK's static bool _pending_list_uses_discovered_field; @@ -351,7 +362,8 @@ OopClosure* keep_alive, VoidClosure* complete_gc, YieldClosure* yield, - bool should_unload_classes); + bool should_unload_classes, + GCTimer* gc_timer); // Delete entries in the discovered lists that have // either a null referent or are not active. Such @@ -372,6 +384,12 @@ void enqueue_discovered_reflists(HeapWord* pending_list_addr, AbstractRefProcTaskExecutor* task_executor); + // Returns statistics from the last time the reference where processed via + // an invocation of process_discovered_references. + const ReferenceProcessorStats& collect_statistics() const { + return _stats; + } + protected: // Set the 'discovered' field of the given reference to // the given value - emitting barriers depending upon @@ -429,7 +447,8 @@ _num_q(0), _max_num_q(0), _processing_is_mt(false), - _next_id(0) + _next_id(0), + _stats() { } // Default parameters give you a vanilla reference processor. @@ -504,9 +523,9 @@ void process_discovered_references(BoolObjectClosure* is_alive, OopClosure* keep_alive, VoidClosure* complete_gc, - AbstractRefProcTaskExecutor* task_executor); + AbstractRefProcTaskExecutor* task_executor, + GCTimer *gc_timer); - public: // Enqueue references at end of GC (called by the garbage collector) bool enqueue_discovered_references(AbstractRefProcTaskExecutor* task_executor = NULL);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/memory/referenceProcessorStats.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_MEMORY_REFERENCEPROCESSORSTATS_HPP +#define SHARE_VM_MEMORY_REFERENCEPROCESSORSTATS_HPP + +#include "utilities/globalDefinitions.hpp" + +class ReferenceProcessor; + +// ReferenceProcessorStats contains statistics about how many references that +// have been traversed when processing references during garbage collection. +class ReferenceProcessorStats { + friend class ReferenceProcessor; + + private: + size_t _soft_count; + size_t _weak_count; + size_t _final_count; + size_t _phantom_count; + + public: + ReferenceProcessorStats() : + _soft_count(0), + _weak_count(0), + _final_count(0), + _phantom_count(0) {} + + size_t soft_count() const { + return _soft_count; + } + + size_t weak_count() const { + return _weak_count; + } + + size_t final_count() const { + return _final_count; + } + + size_t phantom_count() const { + return _phantom_count; + } +}; +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/memory/referenceType.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_MEMORY_REFRERENCETYPE_HPP +#define SHARE_VM_MEMORY_REFRERENCETYPE_HPP + +#include "utilities/debug.hpp" + +// ReferenceType is used to distinguish between java/lang/ref/Reference subclasses + +enum ReferenceType { + REF_NONE, // Regular class + REF_OTHER, // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below + REF_SOFT, // Subclass of java/lang/ref/SoftReference + REF_WEAK, // Subclass of java/lang/ref/WeakReference + REF_FINAL, // Subclass of java/lang/ref/FinalReference + REF_PHANTOM // Subclass of java/lang/ref/PhantomReference +}; + +#endif // SHARE_VM_MEMORY_REFRERENCETYPE_HPP
--- a/src/share/vm/memory/sharedHeap.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/sharedHeap.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -26,6 +26,7 @@ #define SHARE_VM_MEMORY_SHAREDHEAP_HPP #include "gc_interface/collectedHeap.hpp" +#include "gc_implementation/shared/gcHeapSummary.hpp" #include "memory/generation.hpp" #include "memory/permGen.hpp" @@ -306,6 +307,11 @@ return perm_gen()->used(); } + VirtualSpaceSummary create_perm_gen_space_summary() { + HeapWord* start = perm_gen()->reserved().start(); + return VirtualSpaceSummary(start, (HeapWord*)((uintptr_t)start + perm_gen()->capacity()), perm_gen()->reserved().end()); + } + bool is_in_permanent(const void *p) const { assert(perm_gen(), "NULL perm gen"); return perm_gen()->is_in_reserved(p);
--- a/src/share/vm/memory/universe.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/universe.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -946,12 +946,14 @@ Universe::set_narrow_oop_base(Universe::heap()->base() - os::vm_page_size()); Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes); if (verbose) { - tty->print(", Compressed Oops with base: "PTR_FORMAT, Universe::narrow_oop_base()); + tty->print(", %s: "PTR_FORMAT, + narrow_oop_mode_to_string(HeapBasedNarrowOop), + Universe::narrow_oop_base()); } } else { Universe::set_narrow_oop_base(0); if (verbose) { - tty->print(", zero based Compressed Oops"); + tty->print(", %s", narrow_oop_mode_to_string(ZeroBasedNarrowOop)); } #ifdef _WIN64 if (!Universe::narrow_oop_use_implicit_null_checks()) { @@ -966,7 +968,7 @@ } else { Universe::set_narrow_oop_shift(0); if (verbose) { - tty->print(", 32-bits Oops"); + tty->print(", %s", narrow_oop_mode_to_string(UnscaledNarrowOop)); } } } @@ -1000,6 +1002,33 @@ } +const char* Universe::narrow_oop_mode_to_string(Universe::NARROW_OOP_MODE mode) { + switch (mode) { + case UnscaledNarrowOop: + return "32-bits Oops"; + case ZeroBasedNarrowOop: + return "zero based Compressed Oops"; + case HeapBasedNarrowOop: + return "Compressed Oops with base"; + } + + ShouldNotReachHere(); + return ""; +} + + +Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() { + if (narrow_oop_base() != 0) { + return HeapBasedNarrowOop; + } + + if (narrow_oop_shift() != 0) { + return ZeroBasedNarrowOop; + } + + return UnscaledNarrowOop; +} + void universe2_init() { EXCEPTION_MARK;
--- a/src/share/vm/memory/universe.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/memory/universe.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -373,6 +373,11 @@ ZeroBasedNarrowOop = 1, HeapBasedNarrowOop = 2 }; + + static const char* narrow_oop_mode_to_string(NARROW_OOP_MODE mode); + + static NARROW_OOP_MODE narrow_oop_mode(); + static char* preferred_heap_base(size_t heap_size, NARROW_OOP_MODE mode); // Historic gc information
--- a/src/share/vm/oops/instanceKlass.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/oops/instanceKlass.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -25,6 +25,7 @@ #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP #define SHARE_VM_OOPS_INSTANCEKLASS_HPP +#include "memory/referenceType.hpp" #include "oops/constMethodOop.hpp" #include "oops/constantPoolOop.hpp" #include "oops/fieldInfo.hpp" @@ -36,6 +37,7 @@ #include "runtime/os.hpp" #include "utilities/accessFlags.hpp" #include "utilities/bitMap.inline.hpp" +#include "trace/traceMacros.hpp" // An instanceKlass is the VM level representation of a Java class. // It contains all information needed for at class at execution runtime.
--- a/src/share/vm/oops/instanceKlassKlass.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/oops/instanceKlassKlass.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -25,6 +25,7 @@ #ifndef SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP #define SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP +#include "memory/referenceType.hpp" #include "oops/klassKlass.hpp" // An instanceKlassKlass is the klass of an instanceKlass
--- a/src/share/vm/oops/klass.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/oops/klass.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,7 @@ #include "oops/oop.inline.hpp" #include "oops/oop.inline2.hpp" #include "runtime/atomic.hpp" +#include "trace/traceMacros.hpp" void Klass::set_name(Symbol* n) { _name = n;
--- a/src/share/vm/oops/oop.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/oops/oop.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -90,6 +90,7 @@ klassOop klass() const; klassOop klass_or_null() const volatile; + klassOop unsafe_klass_or_null() const volatile; oop* klass_addr(); narrowOop* compressed_klass_addr(); @@ -172,6 +173,11 @@ static oop decode_heap_oop_not_null(narrowOop v); static oop decode_heap_oop(oop v); static oop decode_heap_oop(narrowOop v); + // Same as above, but without asserts that verifies the value + static oop unsafe_decode_heap_oop_not_null(oop v); + static oop unsafe_decode_heap_oop_not_null(narrowOop v); + static oop unsafe_decode_heap_oop(oop v); + static oop unsafe_decode_heap_oop(narrowOop v); // Encode an oop pointer to a narrow oop. The or_null versions accept // null oop pointer, others do not in order to eliminate the
--- a/src/share/vm/oops/oop.inline.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/oops/oop.inline.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -87,6 +87,14 @@ } } +inline klassOop oopDesc::unsafe_klass_or_null() const volatile { + if (UseCompressedOops) { + return (klassOop)unsafe_decode_heap_oop(_metadata._compressed_klass); + } else { + return _metadata._klass; + } +} + inline int oopDesc::klass_gap_offset_in_bytes() { assert(UseCompressedOops, "only applicable to compressed headers"); return oopDesc::klass_offset_in_bytes() + sizeof(narrowOop); @@ -205,15 +213,27 @@ return (is_null(v)) ? (narrowOop)0 : encode_heap_oop_not_null(v); } -inline oop oopDesc::decode_heap_oop_not_null(narrowOop v) { +inline oop oopDesc::unsafe_decode_heap_oop_not_null(narrowOop v) { assert(!is_null(v), "narrow oop value can never be zero"); address base = Universe::narrow_oop_base(); int shift = Universe::narrow_oop_shift(); oop result = (oop)(void*)((uintptr_t)base + ((uintptr_t)v << shift)); + return result; +} + +inline oop oopDesc::unsafe_decode_heap_oop_not_null(oop v) { return v; } + +inline oop oopDesc::decode_heap_oop_not_null(narrowOop v) { + oop result = unsafe_decode_heap_oop_not_null(v); assert(check_obj_alignment(result), err_msg("address not aligned: " PTR_FORMAT, (void*) result)); return result; } +inline oop oopDesc::unsafe_decode_heap_oop(narrowOop v) { + return is_null(v) ? (oop)NULL : unsafe_decode_heap_oop_not_null(v); +} +inline oop oopDesc::unsafe_decode_heap_oop(oop v) { return v; } + inline oop oopDesc::decode_heap_oop(narrowOop v) { return is_null(v) ? (oop)NULL : decode_heap_oop_not_null(v); }
--- a/src/share/vm/opto/compile.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/compile.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -61,6 +61,7 @@ #include "runtime/signature.hpp" #include "runtime/stubRoutines.hpp" #include "runtime/timer.hpp" +#include "trace/tracing.hpp" #include "utilities/copy.hpp" #ifdef TARGET_ARCH_MODEL_x86_32 # include "adfiles/ad_x86_32.hpp" @@ -767,7 +768,7 @@ if (failing()) return; - print_method("Before RemoveUseless", 3); + print_method(PHASE_BEFORE_REMOVEUSELESS, 3); // Remove clutter produced by parsing. if (!failing()) { @@ -1790,9 +1791,9 @@ { ResourceMark rm; - print_method("Before StringOpts", 3); + print_method(PHASE_BEFORE_STRINGOPTS, 3); PhaseStringOpts pso(initial_gvn(), for_igvn()); - print_method("After StringOpts", 3); + print_method(PHASE_AFTER_STRINGOPTS, 3); } // now inline anything that we skipped the first time around @@ -1915,7 +1916,7 @@ NOT_PRODUCT( verify_graph_edges(); ) - print_method("After Parsing"); + print_method(PHASE_AFTER_PARSING); { // Iterative Global Value Numbering, including ideal transforms @@ -1926,13 +1927,13 @@ igvn.optimize(); } - print_method("Iter GVN 1", 2); + print_method(PHASE_ITER_GVN1, 2); if (failing()) return; inline_incrementally(igvn); - print_method("Incremental Inline", 2); + print_method(PHASE_INCREMENTAL_INLINE, 2); if (failing()) return; @@ -1942,7 +1943,7 @@ // Cleanup graph (remove dead nodes). TracePhase t2("idealLoop", &_t_idealLoop, true); PhaseIdealLoop ideal_loop( igvn, false, true ); - if (major_progress()) print_method("PhaseIdealLoop before EA", 2); + if (major_progress()) print_method(PHASE_PHASEIDEAL_BEFORE_EA, 2); if (failing()) return; } ConnectionGraph::do_analysis(this, &igvn); @@ -1951,7 +1952,7 @@ // Optimize out fields loads from scalar replaceable allocations. igvn.optimize(); - print_method("Iter GVN after EA", 2); + print_method(PHASE_ITER_GVN_AFTER_EA, 2); if (failing()) return; @@ -1962,7 +1963,7 @@ igvn.set_delay_transform(false); igvn.optimize(); - print_method("Iter GVN after eliminating allocations and locks", 2); + print_method(PHASE_ITER_GVN_AFTER_ELIMINATION, 2); if (failing()) return; } @@ -1978,7 +1979,7 @@ TracePhase t2("idealLoop", &_t_idealLoop, true); PhaseIdealLoop ideal_loop( igvn, true ); loop_opts_cnt--; - if (major_progress()) print_method("PhaseIdealLoop 1", 2); + if (major_progress()) print_method(PHASE_PHASEIDEALLOOP1, 2); if (failing()) return; } // Loop opts pass if partial peeling occurred in previous pass @@ -1986,7 +1987,7 @@ TracePhase t3("idealLoop", &_t_idealLoop, true); PhaseIdealLoop ideal_loop( igvn, false ); loop_opts_cnt--; - if (major_progress()) print_method("PhaseIdealLoop 2", 2); + if (major_progress()) print_method(PHASE_PHASEIDEALLOOP2, 2); if (failing()) return; } // Loop opts pass for loop-unrolling before CCP @@ -1994,7 +1995,7 @@ TracePhase t4("idealLoop", &_t_idealLoop, true); PhaseIdealLoop ideal_loop( igvn, false ); loop_opts_cnt--; - if (major_progress()) print_method("PhaseIdealLoop 3", 2); + if (major_progress()) print_method(PHASE_PHASEIDEALLOOP3, 2); } if (!failing()) { // Verify that last round of loop opts produced a valid graph @@ -2011,7 +2012,7 @@ TracePhase t2("ccp", &_t_ccp, true); ccp.do_transform(); } - print_method("PhaseCPP 1", 2); + print_method(PHASE_CPP1, 2); assert( true, "Break here to ccp.dump_old2new_map()"); @@ -2022,7 +2023,7 @@ igvn.optimize(); } - print_method("Iter GVN 2", 2); + print_method(PHASE_ITER_GVN2, 2); if (failing()) return; @@ -2035,7 +2036,7 @@ assert( cnt++ < 40, "infinite cycle in loop optimization" ); PhaseIdealLoop ideal_loop( igvn, true); loop_opts_cnt--; - if (major_progress()) print_method("PhaseIdealLoop iterations", 2); + if (major_progress()) print_method(PHASE_PHASEIDEALLOOP_ITERATIONS, 2); if (failing()) return; } } @@ -2068,7 +2069,7 @@ } } - print_method("Optimize finished", 2); + print_method(PHASE_OPTIMIZE_FINISHED, 2); } @@ -2116,7 +2117,7 @@ cfg.GlobalCodeMotion(m,unique(),proj_list); if (failing()) return; - print_method("Global code motion", 2); + print_method(PHASE_GLOBAL_CODE_MOTION, 2); NOT_PRODUCT( verify_graph_edges(); ) @@ -2175,7 +2176,7 @@ Output(); } - print_method("Final Code"); + print_method(PHASE_FINAL_CODE); // He's dead, Jim. _cfg = (PhaseCFG*)0xdeadbeef; @@ -3225,8 +3226,16 @@ // Record the first failure reason. _failure_reason = reason; } + + EventCompilerFailure event; + if (event.should_commit()) { + event.set_compileID(Compile::compile_id()); + event.set_failure(reason); + event.commit(); + } + if (!C->failure_reason_is(C2Compiler::retry_no_subsuming_loads())) { - C->print_method(_failure_reason); + C->print_method(PHASE_FAILURE); } _root = NULL; // flush the graph, too }
--- a/src/share/vm/opto/compile.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/compile.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,10 +36,12 @@ #include "libadt/vectset.hpp" #include "memory/resourceArea.hpp" #include "opto/idealGraphPrinter.hpp" +#include "opto/phasetype.hpp" #include "opto/phase.hpp" #include "opto/regmask.hpp" #include "runtime/deoptimization.hpp" #include "runtime/vmThread.hpp" +#include "trace/tracing.hpp" class Block; class Bundle; @@ -302,6 +304,7 @@ IdealGraphPrinter* _printer; #endif + // Node management uint _unique; // Counter for unique Node indices VectorSet _dead_node_list; // Set of dead nodes @@ -538,17 +541,43 @@ bool has_method_handle_invokes() const { return _has_method_handle_invokes; } void set_has_method_handle_invokes(bool z) { _has_method_handle_invokes = z; } + long _latest_stage_start_counter; + void begin_method() { #ifndef PRODUCT if (_printer) _printer->begin_method(this); #endif + C->_latest_stage_start_counter = os::elapsed_counter(); } - void print_method(const char * name, int level = 1) { + + void print_method(CompilerPhaseType cpt, int level = 1) { + EventCompilerPhase event(UNTIMED); + if (event.should_commit()) { + event.set_starttime(C->_latest_stage_start_counter); + event.set_endtime(os::elapsed_counter()); + event.set_phase((u1) cpt); + event.set_compileID(C->_compile_id); + event.set_phaseLevel(level); + event.commit(); + } + + #ifndef PRODUCT - if (_printer) _printer->print_method(this, name, level); + if (_printer) _printer->print_method(this, CompilerPhaseTypeHelper::to_string(cpt), level); #endif + C->_latest_stage_start_counter = os::elapsed_counter(); } - void end_method() { + + void end_method(int level = 1) { + EventCompilerPhase event(UNTIMED); + if (event.should_commit()) { + event.set_starttime(C->_latest_stage_start_counter); + event.set_endtime(os::elapsed_counter()); + event.set_phase((u1) PHASE_END); + event.set_compileID(C->_compile_id); + event.set_phaseLevel(level); + event.commit(); + } #ifndef PRODUCT if (_printer) _printer->end_method(); #endif
--- a/src/share/vm/opto/escape.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/escape.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -263,7 +263,7 @@ // scalar replaceable objects. split_unique_types(alloc_worklist); if (C->failing()) return false; - C->print_method("After Escape Analysis", 2); + C->print_method(PHASE_AFTER_EA, 2); #ifdef ASSERT } else if (Verbose && (PrintEscapeAnalysis || PrintEliminateAllocations)) {
--- a/src/share/vm/opto/library_call.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/library_call.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -38,6 +38,7 @@ #include "opto/subnode.hpp" #include "prims/nativeLookup.hpp" #include "runtime/sharedRuntime.hpp" +#include "trace/traceMacros.hpp" class LibraryIntrinsic : public InlineCallGenerator { // Extend the set of intrinsics known to the runtime:
--- a/src/share/vm/opto/loopnode.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/loopnode.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -341,7 +341,7 @@ // ---- SUCCESS! Found A Trip-Counted Loop! ----- // assert(x->Opcode() == Op_Loop, "regular loops only"); - C->print_method("Before CountedLoop", 3); + C->print_method(PHASE_BEFORE_CLOOPS, 3); Node *hook = new (C) Node(6); @@ -692,7 +692,7 @@ } #endif - C->print_method("After CountedLoop", 3); + C->print_method(PHASE_AFTER_CLOOPS, 3); return true; } @@ -1971,7 +1971,7 @@ // Split shared headers and insert loop landing pads. // Do not bother doing this on the Root loop of course. if( !_verify_me && !_verify_only && _ltree_root->_child ) { - C->print_method("Before beautify loops", 3); + C->print_method(PHASE_BEFORE_BEAUTIFY_LOOPS, 3); if( _ltree_root->_child->beautify_loops( this ) ) { // Re-build loop tree! _ltree_root->_child = NULL; @@ -1985,7 +1985,7 @@ // Reset loop nesting depth _ltree_root->set_nest( 0 ); - C->print_method("After beautify loops", 3); + C->print_method(PHASE_AFTER_BEAUTIFY_LOOPS, 3); } }
--- a/src/share/vm/opto/matcher.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/opto/matcher.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -317,7 +317,7 @@ find_shared( C->root() ); find_shared( C->top() ); - C->print_method("Before Matching"); + C->print_method(PHASE_BEFORE_MATCHING); // Create new ideal node ConP #NULL even if it does exist in old space // to avoid false sharing if the corresponding mach node is not used. @@ -1856,7 +1856,7 @@ for( uint i=0; kid != NULL && i<2; kid = s->_kids[1], i++ ) { // binary tree int newrule; - if( i == 0 ) + if( i == 0) newrule = kid->_rule[_leftOp[rule]]; else newrule = kid->_rule[_rightOp[rule]];
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/opto/phasetype.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_OPTO_PHASETYPE_HPP +#define SHARE_VM_OPTO_PHASETYPE_HPP + +enum CompilerPhaseType { + PHASE_BEFORE_STRINGOPTS, + PHASE_AFTER_STRINGOPTS, + PHASE_BEFORE_REMOVEUSELESS, + PHASE_AFTER_PARSING, + PHASE_ITER_GVN1, + PHASE_INCREMENTAL_INLINE, + PHASE_PHASEIDEAL_BEFORE_EA, + PHASE_ITER_GVN_AFTER_EA, + PHASE_ITER_GVN_AFTER_ELIMINATION, + PHASE_PHASEIDEALLOOP1, + PHASE_PHASEIDEALLOOP2, + PHASE_PHASEIDEALLOOP3, + PHASE_CPP1, + PHASE_ITER_GVN2, + PHASE_PHASEIDEALLOOP_ITERATIONS, + PHASE_OPTIMIZE_FINISHED, + PHASE_GLOBAL_CODE_MOTION, + PHASE_FINAL_CODE, + PHASE_AFTER_EA, + PHASE_BEFORE_CLOOPS, + PHASE_AFTER_CLOOPS, + PHASE_BEFORE_BEAUTIFY_LOOPS, + PHASE_AFTER_BEAUTIFY_LOOPS, + PHASE_BEFORE_MATCHING, + PHASE_END, + PHASE_FAILURE, + + PHASE_NUM_TYPES +}; + +class CompilerPhaseTypeHelper { + public: + static const char* to_string(CompilerPhaseType cpt) { + switch (cpt) { + case PHASE_BEFORE_STRINGOPTS: return "Before StringOpts"; + case PHASE_AFTER_STRINGOPTS: return "After StringOpts"; + case PHASE_BEFORE_REMOVEUSELESS: return "Before RemoveUseless"; + case PHASE_AFTER_PARSING: return "After Parsing"; + case PHASE_ITER_GVN1: return "Iter GVN 1"; + case PHASE_INCREMENTAL_INLINE: return "Incremental Inline"; + case PHASE_PHASEIDEAL_BEFORE_EA: return "PhaseIdealLoop before EA"; + case PHASE_ITER_GVN_AFTER_EA: return "Iter GVN after EA"; + case PHASE_ITER_GVN_AFTER_ELIMINATION: return "Iter GVN after eliminating allocations and locks"; + case PHASE_PHASEIDEALLOOP1: return "PhaseIdealLoop 1"; + case PHASE_PHASEIDEALLOOP2: return "PhaseIdealLoop 2"; + case PHASE_PHASEIDEALLOOP3: return "PhaseIdealLoop 3"; + case PHASE_CPP1: return "PhaseCPP 1"; + case PHASE_ITER_GVN2: return "Iter GVN 2"; + case PHASE_PHASEIDEALLOOP_ITERATIONS: return "PhaseIdealLoop iterations"; + case PHASE_OPTIMIZE_FINISHED: return "Optimize finished"; + case PHASE_GLOBAL_CODE_MOTION: return "Global code motion"; + case PHASE_FINAL_CODE: return "Final Code"; + case PHASE_AFTER_EA: return "After Escape Analysis"; + case PHASE_BEFORE_CLOOPS: return "Before CountedLoop"; + case PHASE_AFTER_CLOOPS: return "After CountedLoop"; + case PHASE_BEFORE_BEAUTIFY_LOOPS: return "Before beautify loops"; + case PHASE_AFTER_BEAUTIFY_LOOPS: return "After beautify loops"; + case PHASE_BEFORE_MATCHING: return "Before Matching"; + case PHASE_END: return "End"; + case PHASE_FAILURE: return "Failure"; + default: + ShouldNotReachHere(); + return NULL; + } + } +}; + +#endif //SHARE_VM_OPTO_PHASETYPE_HPP
--- a/src/share/vm/prims/jni.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/prims/jni.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -71,7 +71,6 @@ #include "runtime/vm_operations.hpp" #include "services/runtimeService.hpp" #include "trace/tracing.hpp" -#include "trace/traceEventTypes.hpp" #include "utilities/defaultStream.hpp" #include "utilities/dtrace.hpp" #include "utilities/events.hpp" @@ -5041,6 +5040,7 @@ #ifndef PRODUCT +#include "gc_implementation/shared/gcTimer.hpp" #include "gc_interface/collectedHeap.hpp" #include "utilities/quickSort.hpp" @@ -5051,6 +5051,7 @@ void execute_internal_vm_tests() { if (ExecuteInternalVMTests) { tty->print_cr("Running internal VM tests"); + run_unit_test(GCTimerAllTest::all()); run_unit_test(arrayOopDesc::test_max_array_length()); run_unit_test(CollectedHeap::test_is_in()); run_unit_test(QuickSort::test_quick_sort()); @@ -5145,9 +5146,11 @@ JvmtiExport::post_thread_start(thread); } - EVENT_BEGIN(TraceEventThreadStart, event); - EVENT_COMMIT(event, - EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); + EventThreadStart event; + if (event.should_commit()) { + event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); + event.commit(); + } // Check if we should compile all classes on bootclasspath NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) @@ -5347,9 +5350,11 @@ JvmtiExport::post_thread_start(thread); } - EVENT_BEGIN(TraceEventThreadStart, event); - EVENT_COMMIT(event, - EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); + EventThreadStart event; + if (event.should_commit()) { + event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); + event.commit(); + } *(JNIEnv**)penv = thread->jni_environment();
--- a/src/share/vm/prims/jvm.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/prims/jvm.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -58,6 +58,7 @@ #include "services/attachListener.hpp" #include "services/management.hpp" #include "services/threadService.hpp" +#include "trace/tracing.hpp" #include "utilities/copy.hpp" #include "utilities/defaultStream.hpp" #include "utilities/dtrace.hpp" @@ -527,7 +528,7 @@ if (JvmtiExport::should_post_monitor_wait()) { JvmtiExport::post_monitor_wait((JavaThread *)THREAD, (oop)obj(), ms); } - ObjectSynchronizer::wait(obj, ms, CHECK); + ObjectSynchronizer::wait(obj, ms, THREAD); JVM_END @@ -2855,6 +2856,8 @@ millis); #endif /* USDT2 */ + EventThreadSleep event; + if (millis == 0) { // When ConvertSleepToYield is on, this matches the classic VM implementation of // JVM_Sleep. Critical for similar threading behaviour (Win32) @@ -2875,6 +2878,10 @@ // An asynchronous exception (e.g., ThreadDeathException) could have been thrown on // us while we were sleeping. We do not overwrite those. if (!HAS_PENDING_EXCEPTION) { + if (event.should_commit()) { + event.set_time(millis); + event.commit(); + } #ifndef USDT2 HS_DTRACE_PROBE1(hotspot, thread__sleep__end,1); #else /* USDT2 */ @@ -2888,6 +2895,10 @@ } thread->osthread()->set_state(old_state); } + if (event.should_commit()) { + event.set_time(millis); + event.commit(); + } #ifndef USDT2 HS_DTRACE_PROBE1(hotspot, thread__sleep__end,0); #else /* USDT2 */
--- a/src/share/vm/prims/jvmtiGen.java Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/prims/jvmtiGen.java Thu Jan 17 03:37:13 2013 -0800 @@ -31,7 +31,6 @@ import org.xml.sax.SAXParseException; import org.w3c.dom.Document; import org.w3c.dom.DOMException; - // For write operation import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; @@ -129,6 +128,7 @@ factory.setNamespaceAware(true); factory.setValidating(true); + factory.setXIncludeAware(true); try { File datafile = new File(inFileName);
--- a/src/share/vm/prims/unsafe.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/prims/unsafe.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -35,6 +35,7 @@ #include "runtime/reflection.hpp" #include "runtime/synchronizer.hpp" #include "services/threadService.hpp" +#include "trace/tracing.hpp" #include "utilities/copy.hpp" #include "utilities/dtrace.hpp" @@ -1193,6 +1194,7 @@ UNSAFE_ENTRY(void, Unsafe_Park(JNIEnv *env, jobject unsafe, jboolean isAbsolute, jlong time)) UnsafeWrapper("Unsafe_Park"); + EventThreadPark event; #ifndef USDT2 HS_DTRACE_PROBE3(hotspot, thread__park__begin, thread->parker(), (int) isAbsolute, time); #else /* USDT2 */ @@ -1207,6 +1209,13 @@ HOTSPOT_THREAD_PARK_END( (uintptr_t) thread->parker()); #endif /* USDT2 */ + oop obj = thread->current_park_blocker(); + if (event.should_commit()) { + event.set_klass(obj ? obj->klass() : (klassOop)NULL); + event.set_timeout(time); + event.set_address(obj ? (TYPE_ADDRESS) (uintptr_t) obj : 0); + event.commit(); + } UNSAFE_END UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread))
--- a/src/share/vm/runtime/arguments.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/arguments.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -817,22 +817,32 @@ return true; } + // Make a copy and remove everything after '=' (if there is something) +#define BUFLEN 255 + char name[BUFLEN+1]; + strncpy(name, argname, BUFLEN); + name[BUFLEN] = '\0'; + char* end = strchr(name, '='); + if (end != NULL) { + end[0] = '\0'; + } + // For locked flags, report a custom error message if available. // Otherwise, report the standard unrecognized VM option. - Flag* locked_flag = Flag::find_flag((char*)argname, strlen(argname), true); - if (locked_flag != NULL) { + Flag* locked_flag = Flag::find_flag((char*)name, strlen(name), true); + if (locked_flag != NULL && !locked_flag->is_unlocked()) { char locked_message_buf[BUFLEN]; locked_flag->get_locked_message(locked_message_buf, BUFLEN); if (strlen(locked_message_buf) == 0) { jio_fprintf(defaultStream::error_stream(), - "Unrecognized VM option '%s'\n", argname); + "Unrecognized VM option '%s'\n", name); } else { jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); } } else { jio_fprintf(defaultStream::error_stream(), - "Unrecognized VM option '%s'\n", argname); + "Unrecognized VM option '%s'\n", name); } // allow for commandline "commenting out" options like -XX:#+Verbose
--- a/src/share/vm/runtime/frame.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/frame.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -135,6 +135,7 @@ bool is_interpreted_frame() const; bool is_java_frame() const; bool is_entry_frame() const; // Java frame called from C? + bool is_stub_frame() const; bool is_ignored_frame() const; bool is_native_frame() const; bool is_runtime_frame() const;
--- a/src/share/vm/runtime/frame.inline.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/frame.inline.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -79,6 +79,10 @@ return StubRoutines::returns_to_call_stub(pc()); } +inline bool frame::is_stub_frame() const { + return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob()); +} + inline bool frame::is_first_frame() const { return is_entry_frame() && entry_frame_is_first(); }
--- a/src/share/vm/runtime/globals.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/globals.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -3623,7 +3623,10 @@ "Enable internal testing APIs") \ \ product(bool, PrintGCCause, true, \ - "Include GC cause in GC logging") + "Include GC cause in GC logging") \ + \ + product(bool, EnableTracing, false, \ + "Enable event-based tracing") /* * Macros for factoring of globals
--- a/src/share/vm/runtime/java.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/java.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -60,7 +60,6 @@ #include "services/memReporter.hpp" #include "services/memTracker.hpp" #include "trace/tracing.hpp" -#include "trace/traceEventTypes.hpp" #include "utilities/dtrace.hpp" #include "utilities/globalDefinitions.hpp" #include "utilities/histogram.hpp" @@ -526,9 +525,12 @@ JvmtiExport::post_thread_end(thread); } - EVENT_BEGIN(TraceEventThreadEnd, event); - EVENT_COMMIT(event, - EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); + + EventThreadEnd event; + if (event.should_commit()) { + event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); + event.commit(); + } // Always call even when there are not JVMTI environments yet, since environments // may be attached late and JVMTI must track phases of VM execution
--- a/src/share/vm/runtime/mutexLocker.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/mutexLocker.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -279,10 +279,9 @@ def(MethodCompileQueue_lock , Monitor, nonleaf+4, true ); def(Debug2_lock , Mutex , nonleaf+4, true ); def(Debug3_lock , Mutex , nonleaf+4, true ); - def(ProfileVM_lock , Monitor, nonleaf+4, false); // used for profiling of the VMThread + def(ProfileVM_lock , Monitor, special, false); // used for profiling of the VMThread def(CompileThread_lock , Monitor, nonleaf+5, false ); - def(JfrQuery_lock , Monitor, nonleaf, true); // JFR locks, keep these in consecutive order def(JfrMsg_lock , Monitor, nonleaf+2, true); def(JfrBuffer_lock , Mutex, nonleaf+3, true); def(JfrStream_lock , Mutex, nonleaf+4, true);
--- a/src/share/vm/runtime/objectMonitor.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/objectMonitor.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,6 +36,8 @@ #include "runtime/stubRoutines.hpp" #include "runtime/thread.hpp" #include "services/threadService.hpp" +#include "trace/tracing.hpp" +#include "trace/traceMacros.hpp" #include "utilities/dtrace.hpp" #include "utilities/preserveException.hpp" #ifdef TARGET_OS_FAMILY_linux @@ -375,6 +377,8 @@ // Ensure the object-monitor relationship remains stable while there's contention. Atomic::inc_ptr(&_count); + EventJavaMonitorEnter event; + { // Change java thread status to indicate blocked on monitor enter. JavaThreadBlockedOnMonitorEnterState jtbmes(jt, this); @@ -406,7 +410,7 @@ // _recursions = 0 ; _succ = NULL ; - exit (Self) ; + exit (false, Self) ; jt->java_suspend_self(); } @@ -439,6 +443,14 @@ if (JvmtiExport::should_post_monitor_contended_entered()) { JvmtiExport::post_monitor_contended_entered(jt, this); } + + if (event.should_commit()) { + event.set_klass(((oop)this->object())->klass()); + event.set_previousOwner((TYPE_JAVALANGTHREAD)_previous_owner_tid); + event.set_address((TYPE_ADDRESS)(uintptr_t)(this->object_addr())); + event.commit(); + } + if (ObjectMonitor::_sync_ContendedLockAttempts != NULL) { ObjectMonitor::_sync_ContendedLockAttempts->inc() ; } @@ -926,7 +938,7 @@ // Both impinge on OS scalability. Given that, at most one thread parked on // a monitor will use a timer. -void ATTR ObjectMonitor::exit(TRAPS) { +void ATTR ObjectMonitor::exit(bool not_suspended, TRAPS) { Thread * Self = THREAD ; if (THREAD != _owner) { if (THREAD->is_lock_owned((address) _owner)) { @@ -963,6 +975,14 @@ _Responsible = NULL ; } +#if INCLUDE_TRACE + // get the owner's thread id for the MonitorEnter event + // if it is enabled and the thread isn't suspended + if (not_suspended && Tracing::enabled(TraceJavaMonitorEnterEvent)) { + _previous_owner_tid = SharedRuntime::get_java_tid(Self); + } +#endif + for (;;) { assert (THREAD == _owner, "invariant") ; @@ -1352,7 +1372,7 @@ guarantee(Self == _owner, "complete_exit not owner"); intptr_t save = _recursions; // record the old recursion count _recursions = 0; // set the recursion level to be 0 - exit (Self) ; // exit the monitor + exit (true, Self) ; // exit the monitor guarantee (_owner != Self, "invariant"); return save; } @@ -1406,6 +1426,20 @@ for (v = *adr ; Atomic::cmpxchg (v + dx, adr, v) != v; v = *adr) ; return v ; } + +// helper method for posting a monitor wait event +void ObjectMonitor::post_monitor_wait_event(EventJavaMonitorWait* event, + jlong notifier_tid, + jlong timeout, + bool timedout) { + event->set_klass(((oop)this->object())->klass()); + event->set_timeout((TYPE_ULONG)timeout); + event->set_address((TYPE_ADDRESS)(uintptr_t)(this->object_addr())); + event->set_notifier((TYPE_OSTHREAD)notifier_tid); + event->set_timedOut((TYPE_BOOLEAN)timedout); + event->commit(); +} + // ----------------------------------------------------------------------------- // Wait/Notify/NotifyAll // @@ -1421,6 +1455,8 @@ // Throw IMSX or IEX. CHECK_OWNER(); + EventJavaMonitorWait event; + // check for a pending interrupt if (interruptible && Thread::is_interrupted(Self, true) && !HAS_PENDING_EXCEPTION) { // post monitor waited event. Note that this is past-tense, we are done waiting. @@ -1429,10 +1465,14 @@ // wait was not timed out due to thread interrupt. JvmtiExport::post_monitor_waited(jt, this, false); } + if (event.should_commit()) { + post_monitor_wait_event(&event, 0, millis, false); + } TEVENT (Wait - Throw IEX) ; THROW(vmSymbols::java_lang_InterruptedException()); return ; } + TEVENT (Wait) ; assert (Self->_Stalled == 0, "invariant") ; @@ -1464,7 +1504,7 @@ intptr_t save = _recursions; // record the old recursion count _waiters++; // increment the number of waiters _recursions = 0; // set the recursion level to be 1 - exit (Self) ; // exit the monitor + exit (true, Self) ; // exit the monitor guarantee (_owner != Self, "invariant") ; // As soon as the ObjectMonitor's ownership is dropped in the exit() @@ -1564,6 +1604,11 @@ if (JvmtiExport::should_post_monitor_waited()) { JvmtiExport::post_monitor_waited(jt, this, ret == OS_TIMEOUT); } + + if (event.should_commit()) { + post_monitor_wait_event(&event, node._notifier_tid, millis, ret == OS_TIMEOUT); + } + OrderAccess::fence() ; assert (Self->_Stalled != 0, "invariant") ; @@ -1643,6 +1688,8 @@ iterator->TState = ObjectWaiter::TS_ENTER ; } iterator->_notified = 1 ; + Thread * Self = THREAD; + iterator->_notifier_tid = Self->osthread()->thread_id(); ObjectWaiter * List = _EntryList ; if (List != NULL) { @@ -1767,6 +1814,8 @@ guarantee (iterator->TState == ObjectWaiter::TS_WAIT, "invariant") ; guarantee (iterator->_notified == 0, "invariant") ; iterator->_notified = 1 ; + Thread * Self = THREAD; + iterator->_notifier_tid = Self->osthread()->thread_id(); if (Policy != 4) { iterator->TState = ObjectWaiter::TS_ENTER ; }
--- a/src/share/vm/runtime/objectMonitor.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/objectMonitor.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -29,7 +29,6 @@ #include "runtime/park.hpp" #include "runtime/perfData.hpp" - // ObjectWaiter serves as a "proxy" or surrogate thread. // TODO-FIXME: Eliminate ObjectWaiter and use the thread-specific // ParkEvent instead. Beware, however, that the JVMTI code @@ -43,6 +42,7 @@ ObjectWaiter * volatile _next; ObjectWaiter * volatile _prev; Thread* _thread; + jlong _notifier_tid; ParkEvent * _event; volatile int _notified ; volatile TStates TState ; @@ -55,6 +55,9 @@ void wait_reenter_end(ObjectMonitor *mon); }; +// forward declaration to avoid include tracing.hpp +class EventJavaMonitorWait; + // WARNING: // This is a very sensitive and fragile class. DO NOT make any // change unless you are fully aware of the underlying semantics. @@ -151,6 +154,7 @@ _SpinFreq = 0 ; _SpinClock = 0 ; OwnerIsThread = 0 ; + _previous_owner_tid = 0; } ~ObjectMonitor() { @@ -192,7 +196,7 @@ bool try_enter (TRAPS) ; void enter(TRAPS); - void exit(TRAPS); + void exit(bool not_suspended, TRAPS); void wait(jlong millis, bool interruptable, TRAPS); void notify(TRAPS); void notifyAll(TRAPS); @@ -218,6 +222,10 @@ void ctAsserts () ; void ExitEpilog (Thread * Self, ObjectWaiter * Wakee) ; bool ExitSuspendEquivalent (JavaThread * Self) ; + void post_monitor_wait_event(EventJavaMonitorWait * event, + jlong notifier_tid, + jlong timeout, + bool timedout); private: friend class ObjectSynchronizer; @@ -240,6 +248,7 @@ protected: // protected for jvmtiRawMonitor void * volatile _owner; // pointer to owning thread OR BasicLock + volatile jlong _previous_owner_tid; // thread id of the previous owner of the monitor volatile intptr_t _recursions; // recursion count, 0 for first entry private: int OwnerIsThread ; // _owner is (Thread *) vs SP/BasicLock
--- a/src/share/vm/runtime/os.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/os.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -1380,11 +1380,16 @@ return (int) i; } +void os::SuspendedThreadTask::run() { + assert(Threads_lock->owned_by_self() || (_thread == VMThread::vm_thread()), "must have threads lock to call this"); + internal_do_task(); + _done = true; +} + bool os::create_stack_guard_pages(char* addr, size_t bytes) { return os::pd_create_stack_guard_pages(addr, bytes); } - char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint) { char* result = pd_reserve_memory(bytes, addr, alignment_hint); if (result != NULL) {
--- a/src/share/vm/runtime/os.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/os.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -781,6 +781,111 @@ // ResumeThread call) static void pause(); + class SuspendedThreadTaskContext { + public: + SuspendedThreadTaskContext(Thread* thread, void *ucontext) : _thread(thread), _ucontext(ucontext) {} + Thread* thread() const { return _thread; } + void* ucontext() const { return _ucontext; } + private: + Thread* _thread; + void* _ucontext; + }; + + class SuspendedThreadTask { + public: + SuspendedThreadTask(Thread* thread) : _thread(thread), _done(false) {} + virtual ~SuspendedThreadTask() {} + void run(); + bool is_done() { return _done; } + virtual void do_task(const SuspendedThreadTaskContext& context) = 0; + protected: + private: + void internal_do_task(); + Thread* _thread; + bool _done; + }; + +#ifndef TARGET_OS_FAMILY_windows + // Suspend/resume support + // Protocol: + // + // a thread starts in SR_RUNNING + // + // SR_RUNNING can go to + // * SR_SUSPEND_REQUEST when the WatcherThread wants to suspend it + // SR_SUSPEND_REQUEST can go to + // * SR_RUNNING if WatcherThread decides it waited for SR_SUSPENDED too long (timeout) + // * SR_SUSPENDED if the stopped thread receives the signal and switches state + // SR_SUSPENDED can go to + // * SR_WAKEUP_REQUEST when the WatcherThread has done the work and wants to resume + // SR_WAKEUP_REQUEST can go to + // * SR_RUNNING when the stopped thread receives the signal + // * SR_WAKEUP_REQUEST on timeout (resend the signal and try again) + class SuspendResume { + public: + enum State { + SR_RUNNING, + SR_SUSPEND_REQUEST, + SR_SUSPENDED, + SR_WAKEUP_REQUEST + }; + + private: + volatile State _state; + + private: + /* try to switch state from state "from" to state "to" + * returns the state set after the method is complete + */ + State switch_state(State from, State to) { + State result = (State) Atomic::cmpxchg((jint) to, (jint *) &_state, (jint) from); + if (result == from) { + // success + return to; + } + return result; + } + + public: + SuspendResume() : _state(SR_RUNNING) { } + + State state() const { return _state; } + + State request_suspend() { + return switch_state(SR_RUNNING, SR_SUSPEND_REQUEST); + } + + State cancel_suspend() { + return switch_state(SR_SUSPEND_REQUEST, SR_RUNNING); + } + + State suspended() { + return switch_state(SR_SUSPEND_REQUEST, SR_SUSPENDED); + } + + State request_wakeup() { + return switch_state(SR_SUSPENDED, SR_WAKEUP_REQUEST); + } + + State running() { + return switch_state(SR_WAKEUP_REQUEST, SR_RUNNING); + } + + bool is_running() const { + return _state == SR_RUNNING; + } + + bool is_suspend_request() const { + return _state == SR_SUSPEND_REQUEST; + } + + bool is_suspended() const { + return _state == SR_SUSPENDED; + } + }; +#endif + + protected: static long _rand_seed; // seed for random number generator static int _processor_count; // number of processors
--- a/src/share/vm/runtime/stubRoutines.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/stubRoutines.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -223,6 +223,8 @@ static void initialize1(); // must happen before universe::genesis static void initialize2(); // must happen after universe::genesis + static bool is_stub_code(address addr) { return contains(addr); } + static bool contains(address addr) { return (_code1 != NULL && _code1->blob_contains(addr)) ||
--- a/src/share/vm/runtime/sweeper.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/sweeper.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,7 @@ #include "runtime/os.hpp" #include "runtime/sweeper.hpp" #include "runtime/vm_operations.hpp" +#include "trace/tracing.hpp" #include "utilities/events.hpp" #include "utilities/xmlstream.hpp" @@ -128,6 +129,9 @@ long NMethodSweeper::_traversals = 0; // No. of stack traversals performed nmethod* NMethodSweeper::_current = NULL; // Current nmethod int NMethodSweeper::_seen = 0 ; // No. of nmethods we have currently processed in current pass of CodeCache +int NMethodSweeper::_flushed_count = 0; // Nof. nmethods flushed in current sweep +int NMethodSweeper::_zombified_count = 0; // Nof. nmethods made zombie in current sweep +int NMethodSweeper::_marked_count = 0; // Nof. nmethods marked for reclaim in current sweep volatile int NMethodSweeper::_invocations = 0; // No. of invocations left until we are completed with this pass volatile int NMethodSweeper::_sweep_started = 0; // Whether a sweep is in progress. @@ -142,6 +146,15 @@ uint NMethodSweeper::_highest_marked = 0; long NMethodSweeper::_was_full_traversal = 0; +int NMethodSweeper::_number_of_flushes = 0; // Total of full traversals caused by full cache +int NMethodSweeper::_total_nof_methods_reclaimed = 0; +long NMethodSweeper::_total_time_sweeping = 0; +long NMethodSweeper::_total_time_this_sweep = 0; +long NMethodSweeper::_peak_sweep_time = 0; +long NMethodSweeper::_peak_sweep_fraction_time = 0; +long NMethodSweeper::_total_disconnect_time = 0; +long NMethodSweeper::_peak_disconnect_time = 0; + class MarkActivationClosure: public CodeBlobClosure { public: virtual void do_code_blob(CodeBlob* cb) { @@ -179,6 +192,8 @@ _invocations = NmethodSweepFraction; _current = CodeCache::first_nmethod(); _traversals += 1; + _total_time_this_sweep = 0; + if (PrintMethodFlushing) { tty->print_cr("### Sweep: stack traversal %d", _traversals); } @@ -241,12 +256,15 @@ } void NMethodSweeper::sweep_code_cache() { -#ifdef ASSERT - jlong sweep_start; - if (PrintMethodFlushing) { - sweep_start = os::javaTimeMillis(); - } -#endif + + long sweep_start_counter, sweep_end_counter; + long sweep_time; + sweep_start_counter = os::elapsed_counter(); + + _flushed_count = 0; + _zombified_count = 0; + _marked_count = 0; + if (PrintMethodFlushing && Verbose) { tty->print_cr("### Sweep at %d out of %d. Invocations left: %d", _seen, CodeCache::nof_nmethods(), _invocations); } @@ -306,14 +324,34 @@ } } + sweep_end_counter = os::elapsed_counter(); + sweep_time = sweep_end_counter - sweep_start_counter; + _total_time_sweeping += sweep_time; + _total_time_this_sweep += sweep_time; + _peak_sweep_fraction_time = MAX2(sweep_time, _peak_sweep_fraction_time); + _total_nof_methods_reclaimed += _flushed_count; + + EventSweepCodeCache event(UNTIMED); + if (event.should_commit()) { + event.set_starttime(sweep_start_counter); + event.set_endtime(sweep_end_counter); + event.set_sweepIndex(_traversals); + event.set_sweepFractionIndex(NmethodSweepFraction - _invocations + 1); + event.set_sweptCount(todo); + event.set_flushedCount(_flushed_count); + event.set_markedCount(_marked_count); + event.set_zombifiedCount(_zombified_count); + event.commit(); + } + #ifdef ASSERT if(PrintMethodFlushing) { - jlong sweep_end = os::javaTimeMillis(); - tty->print_cr("### sweeper: sweep time(%d): " INT64_FORMAT, _invocations, sweep_end - sweep_start); + tty->print_cr("### sweeper: sweep time(%d): " INT64_FORMAT, _invocations, (jlong)sweep_time); } #endif if (_invocations == 1) { + _peak_sweep_time = MAX2(_peak_sweep_time, _total_time_this_sweep); log_sweep("finished"); } } @@ -367,11 +405,13 @@ } MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); nm->flush(); + _flushed_count++; } else { if (PrintMethodFlushing && Verbose) { tty->print_cr("### Nmethod %3d/" PTR_FORMAT " (zombie) being marked for reclamation", nm->compile_id(), nm); } nm->mark_for_reclamation(); + _marked_count++; _rescan = true; SWEEP(nm); } @@ -383,6 +423,7 @@ tty->print_cr("### Nmethod %3d/" PTR_FORMAT " (not entrant) being made zombie", nm->compile_id(), nm); } nm->make_zombie(); + _zombified_count++; _rescan = true; SWEEP(nm); } else { @@ -399,13 +440,16 @@ // Unloaded code, just make it a zombie if (PrintMethodFlushing && Verbose) tty->print_cr("### Nmethod %3d/" PTR_FORMAT " (unloaded) being made zombie", nm->compile_id(), nm); + if (nm->is_osr_method()) { // No inline caches will ever point to osr methods, so we can just remove it MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); SWEEP(nm); nm->flush(); + _flushed_count++; } else { nm->make_zombie(); + _zombified_count++; _rescan = true; SWEEP(nm); } @@ -449,7 +493,7 @@ if (is_full) { // Since code cache is full, immediately stop new compiles bool did_set = CompileBroker::set_should_compile_new_jobs(CompileBroker::stop_compilation); - if (!did_set) { + if (!did_set){ // only the first to notice can start the cleaning, // others will go back and block return; @@ -479,7 +523,9 @@ // If there was a race in detecting full code cache, only run // one vm op for it or keep the compiler shut off - debug_only(jlong start = os::javaTimeMillis();) + long disconnect_start_counter; + long disconnect_end_counter; + long disconnect_time; if ((!was_full()) && (is_full)) { if (!CodeCache::needs_flushing()) { @@ -489,6 +535,8 @@ } } + disconnect_start_counter = os::elapsed_counter(); + // Traverse the code cache trying to dump the oldest nmethods uint curr_max_comp_id = CompileBroker::get_compilation_id(); uint flush_target = ((curr_max_comp_id - _highest_marked) >> 1) + _highest_marked; @@ -535,12 +583,27 @@ CompileBroker::set_should_compile_new_jobs(CompileBroker::stop_compilation); } + disconnect_end_counter = os::elapsed_counter(); + disconnect_time = disconnect_end_counter - disconnect_start_counter; + _total_disconnect_time += disconnect_time; + _peak_disconnect_time = MAX2(disconnect_time, _peak_disconnect_time); + + EventCleanCodeCache event(UNTIMED); + if (event.should_commit()) { + event.set_starttime(disconnect_start_counter); + event.set_endtime(disconnect_end_counter); + event.set_disconnectedCount(disconnected); + event.set_madeNonEntrantCount(made_not_entrant); + event.commit(); + } + _number_of_flushes++; + // After two more traversals the sweeper will get rid of unrestored nmethods _was_full_traversal = _traversals; #ifdef ASSERT - jlong end = os::javaTimeMillis(); + if(PrintMethodFlushing && Verbose) { - tty->print_cr("### sweeper: unload time: " INT64_FORMAT, end-start); + tty->print_cr("### sweeper: unload time: " INT64_FORMAT, (jlong)disconnect_time); } #endif }
--- a/src/share/vm/runtime/sweeper.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/sweeper.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -31,9 +31,12 @@ // class NMethodSweeper : public AllStatic { - static long _traversals; // Stack traversal count - static nmethod* _current; // Current nmethod - static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache + static long _traversals; // Stack scan count, also sweep ID. + static nmethod* _current; // Current nmethod + static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache + static int _flushed_count; // Nof. nmethods flushed in current sweep + static int _zombified_count; // Nof. nmethods made zombie in current sweep + static int _marked_count; // Nof. nmethods marked for reclaim in current sweep static volatile int _invocations; // No. of invocations left until we are completed with this pass static volatile int _sweep_started; // Flag to control conc sweeper @@ -50,12 +53,29 @@ static uint _highest_marked; // highest compile id dumped at last emergency unloading static long _was_full_traversal; // trav number at last emergency unloading + // Stat counters + static int _number_of_flushes; // Total of full traversals caused by full cache + static int _total_nof_methods_reclaimed; // Accumulated nof methods flushed + static long _total_time_sweeping; // Accumulated time sweeping + static long _total_time_this_sweep; // Total time this sweep + static long _peak_sweep_time; // Peak time for a full sweep + static long _peak_sweep_fraction_time; // Peak time sweeping one fraction + static long _total_disconnect_time; // Total time cleaning code mem + static long _peak_disconnect_time; // Peak time cleaning code mem + static void process_nmethod(nmethod *nm); static void log_sweep(const char* msg, const char* format = NULL, ...); public: - static long traversal_count() { return _traversals; } + static long traversal_count() { return _traversals; } + static int number_of_flushes() { return _number_of_flushes; } + static int total_nof_methods_reclaimed() { return _total_nof_methods_reclaimed; } + static long total_time_sweeping() { return _total_time_sweeping; } + static long peak_sweep_time() { return _peak_sweep_time; } + static long peak_sweep_fraction_time() { return _peak_sweep_fraction_time; } + static long total_disconnect_time() { return _total_disconnect_time; } + static long peak_disconnect_time() { return _peak_disconnect_time; } #ifdef ASSERT // Keep track of sweeper activity in the ring buffer
--- a/src/share/vm/runtime/synchronizer.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/synchronizer.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -216,7 +216,7 @@ } } - ObjectSynchronizer::inflate(THREAD, object)->exit (THREAD) ; + ObjectSynchronizer::inflate(THREAD, object)->exit (true, THREAD) ; } // ----------------------------------------------------------------------------- @@ -344,7 +344,7 @@ // If this thread has locked the object, exit the monitor. Note: can't use // monitor->check(CHECK); must exit even if an exception is pending. if (monitor->check(THREAD)) { - monitor->exit(THREAD); + monitor->exit(true, THREAD); } }
--- a/src/share/vm/runtime/task.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/task.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -117,9 +117,11 @@ disenroll(); } +/* enroll could be called from a JavaThread, so we have to check for + * safepoint when taking the lock to avoid deadlocking */ void PeriodicTask::enroll() { MutexLockerEx ml(PeriodicTask_lock->owned_by_self() ? - NULL : PeriodicTask_lock, Mutex::_no_safepoint_check_flag); + NULL : PeriodicTask_lock); if (_num_tasks == PeriodicTask::max_tasks) { fatal("Overflow in PeriodicTask table"); @@ -134,9 +136,11 @@ } } +/* disenroll could be called from a JavaThread, so we have to check for + * safepoint when taking the lock to avoid deadlocking */ void PeriodicTask::disenroll() { MutexLockerEx ml(PeriodicTask_lock->owned_by_self() ? - NULL : PeriodicTask_lock, Mutex::_no_safepoint_check_flag); + NULL : PeriodicTask_lock); int index; for(index = 0; index < _num_tasks && _tasks[index] != this; index++)
--- a/src/share/vm/runtime/thread.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/thread.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -75,7 +75,8 @@ #include "services/management.hpp" #include "services/memTracker.hpp" #include "services/threadService.hpp" -#include "trace/traceEventTypes.hpp" +#include "trace/tracing.hpp" +#include "trace/traceMacros.hpp" #include "utilities/defaultStream.hpp" #include "utilities/dtrace.hpp" #include "utilities/events.hpp" @@ -1639,9 +1640,11 @@ JvmtiExport::post_thread_start(this); } - EVENT_BEGIN(TraceEventThreadStart, event); - EVENT_COMMIT(event, - EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj()))); + EventThreadStart event; + if (event.should_commit()) { + event.set_javalangthread(java_lang_Thread::thread_id(this->threadObj())); + event.commit(); + } // We call another function to do the rest so we are sure that the stack addresses used // from there will be lower than the stack base just computed @@ -1772,9 +1775,11 @@ // Called before the java thread exit since we want to read info // from java_lang_Thread object - EVENT_BEGIN(TraceEventThreadEnd, event); - EVENT_COMMIT(event, - EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj()))); + EventThreadEnd event; + if (event.should_commit()) { + event.set_javalangthread(java_lang_Thread::thread_id(this->threadObj())); + event.commit(); + } // Call after last event on thread EVENT_THREAD_EXIT(this); @@ -3613,8 +3618,8 @@ // Notify JVMTI agents that VM initialization is complete - nop if no agents. JvmtiExport::post_vm_initialized(); - if (!TRACE_START()) { - vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); + if (TRACE_START() != JNI_OK) { + vm_exit_during_initialization("Failed to start tracing backend."); } if (CleanChunkPoolAsync) {
--- a/src/share/vm/runtime/thread.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/thread.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -42,7 +42,8 @@ #include "runtime/threadLocalStorage.hpp" #include "runtime/unhandledOops.hpp" #include "services/memRecorder.hpp" -#include "trace/tracing.hpp" +#include "trace/traceBackend.hpp" +#include "trace/traceMacros.hpp" #include "utilities/exceptions.hpp" #include "utilities/top.hpp" #ifndef SERIALGC
--- a/src/share/vm/runtime/timer.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/timer.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -39,6 +39,11 @@ # include "os_bsd.inline.hpp" #endif +double TimeHelper::counter_to_seconds(jlong counter) { + double count = (double) counter; + double freq = (double) os::elapsed_frequency(); + return counter/freq; +} void elapsedTimer::add(elapsedTimer t) { _counter += t._counter; @@ -59,9 +64,7 @@ } double elapsedTimer::seconds() const { - double count = (double) _counter; - double freq = (double) os::elapsed_frequency(); - return count/freq; + return TimeHelper::counter_to_seconds(_counter); } jlong elapsedTimer::milliseconds() const { @@ -90,9 +93,7 @@ double TimeStamp::seconds() const { assert(is_updated(), "must not be clear"); jlong new_count = os::elapsed_counter(); - double count = (double) new_count - _counter; - double freq = (double) os::elapsed_frequency(); - return count/freq; + return TimeHelper::counter_to_seconds(new_count - _counter); } jlong TimeStamp::milliseconds() const { @@ -110,19 +111,15 @@ } TraceTime::TraceTime(const char* title, - bool doit, - bool print_cr, - outputStream* logfile) { + bool doit) { _active = doit; _verbose = true; - _print_cr = print_cr; - _logfile = (logfile != NULL) ? logfile : tty; if (_active) { _accum = NULL; - _logfile->stamp(PrintGCTimeStamps); - _logfile->print("[%s", title); - _logfile->flush(); + tty->stamp(PrintGCTimeStamps); + tty->print("[%s", title); + tty->flush(); _t.start(); } } @@ -130,17 +127,14 @@ TraceTime::TraceTime(const char* title, elapsedTimer* accumulator, bool doit, - bool verbose, - outputStream* logfile) { + bool verbose) { _active = doit; _verbose = verbose; - _print_cr = true; - _logfile = (logfile != NULL) ? logfile : tty; if (_active) { if (_verbose) { - _logfile->stamp(PrintGCTimeStamps); - _logfile->print("[%s", title); - _logfile->flush(); + tty->stamp(PrintGCTimeStamps); + tty->print("[%s", title); + tty->flush(); } _accum = accumulator; _t.start(); @@ -152,12 +146,8 @@ _t.stop(); if (_accum!=NULL) _accum->add(_t); if (_verbose) { - if (_print_cr) { - _logfile->print_cr(", %3.7f secs]", _t.seconds()); - } else { - _logfile->print(", %3.7f secs]", _t.seconds()); - } - _logfile->flush(); + tty->print_cr(", %3.7f secs]", _t.seconds()); + tty->flush(); } } }
--- a/src/share/vm/runtime/timer.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/timer.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -82,21 +82,16 @@ private: bool _active; // do timing bool _verbose; // report every timing - bool _print_cr; // add a CR to the end of the timer report elapsedTimer _t; // timer elapsedTimer* _accum; // accumulator - outputStream* _logfile; // output log file public: - // Constuctors + // Constructors TraceTime(const char* title, - bool doit = true, - bool print_cr = true, - outputStream *logfile = NULL); + bool doit = true); TraceTime(const char* title, elapsedTimer* accumulator, bool doit = true, - bool verbose = false, - outputStream *logfile = NULL ); + bool verbose = false); ~TraceTime(); // Accessors @@ -125,4 +120,9 @@ ~TraceCPUTime(); }; +class TimeHelper { + public: + static double counter_to_seconds(jlong counter); +}; + #endif // SHARE_VM_RUNTIME_TIMER_HPP
--- a/src/share/vm/runtime/vmStructs.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/vmStructs.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -60,6 +60,7 @@ #include "memory/generationSpec.hpp" #include "memory/heap.hpp" #include "memory/permGen.hpp" +#include "memory/referenceType.hpp" #include "memory/space.hpp" #include "memory/tenuredGeneration.hpp" #include "memory/universe.hpp"
--- a/src/share/vm/runtime/vmThread.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/vmThread.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -34,6 +34,7 @@ #include "runtime/vmThread.hpp" #include "runtime/vm_operations.hpp" #include "services/runtimeService.hpp" +#include "trace/tracing.hpp" #include "utilities/dtrace.hpp" #include "utilities/events.hpp" #include "utilities/xmlstream.hpp" @@ -376,7 +377,19 @@ (char *) op->name(), strlen(op->name()), op->evaluation_mode()); #endif /* USDT2 */ + + EventExecuteVMOperation event; + op->evaluate(); + + if (event.should_commit()) { + event.set_operation(op->type()); + event.set_safepoint(op->evaluate_at_safepoint()); + event.set_blocking(!op->evaluate_concurrently()); + event.set_caller(op->calling_thread()->osthread()->thread_id()); + event.commit(); + } + #ifndef USDT2 HS_DTRACE_PROBE3(hotspot, vmops__end, op->name(), strlen(op->name()), op->evaluation_mode()); @@ -609,7 +622,7 @@ { VMOperationQueue_lock->lock_without_safepoint_check(); bool ok = _vm_queue->add(op); - op->set_timestamp(os::javaTimeMillis()); + op->set_timestamp(os::javaTimeMillis()); VMOperationQueue_lock->notify(); VMOperationQueue_lock->unlock(); // VM_Operation got skipped
--- a/src/share/vm/runtime/vm_operations.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/vm_operations.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -36,6 +36,7 @@ #include "runtime/sweeper.hpp" #include "runtime/vm_operations.hpp" #include "services/threadService.hpp" +#include "trace/tracing.hpp" #ifdef TARGET_OS_FAMILY_linux # include "thread_linux.inline.hpp" #endif @@ -73,19 +74,21 @@ } } +const char* VM_Operation::mode_to_string(Mode mode) { + switch(mode) { + case _safepoint : return "safepoint"; + case _no_safepoint : return "no safepoint"; + case _concurrent : return "concurrent"; + case _async_safepoint: return "async safepoint"; + default : return "unknown"; + } +} // Called by fatal error handler. void VM_Operation::print_on_error(outputStream* st) const { st->print("VM_Operation (" PTR_FORMAT "): ", this); st->print("%s", name()); - const char* mode; - switch(evaluation_mode()) { - case _safepoint : mode = "safepoint"; break; - case _no_safepoint : mode = "no safepoint"; break; - case _concurrent : mode = "concurrent"; break; - case _async_safepoint: mode = "async safepoint"; break; - default : mode = "unknown"; break; - } + const char* mode = mode_to_string(evaluation_mode()); st->print(", mode: %s", mode); if (calling_thread()) {
--- a/src/share/vm/runtime/vm_operations.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/runtime/vm_operations.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -178,6 +178,8 @@ evaluation_mode() == _async_safepoint; } + static const char* mode_to_string(Mode mode); + // Debugging void print_on_error(outputStream* st) const; const char* name() const { return _names[type()]; }
--- a/src/share/vm/services/diagnosticArgument.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/services/diagnosticArgument.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -24,6 +24,7 @@ #include "precompiled.hpp" #include "memory/allocation.inline.hpp" +#include "memory/resourceArea.hpp" #include "runtime/thread.hpp" #include "services/diagnosticArgument.hpp" @@ -86,9 +87,18 @@ template <> void DCmdArgument<jlong>::parse_value(const char* str, size_t len, TRAPS) { - if (str == NULL || sscanf(str, INT64_FORMAT, &_value) != 1) { - THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), - "Integer parsing error in diagnostic command arguments\n"); + int scanned = -1; + if (str == NULL + || sscanf(str, INT64_FORMAT"%n", &_value, &scanned) != 1 + || (size_t)scanned != len) + { + ResourceMark rm; + + char* buf = NEW_RESOURCE_ARRAY(char, len + 1); + strncpy(buf, str, len); + buf[len] = '\0'; + Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::java_lang_IllegalArgumentException(), + "Integer parsing error in command argument '%s'. Could not parse: %s.", _name, buf); } } @@ -96,7 +106,7 @@ if (has_default()) { this->parse_value(_default_string, strlen(_default_string), THREAD); if (HAS_PENDING_EXCEPTION) { - fatal("Default string must be parsable"); + fatal("Default string must be parseable"); } } else { set_value(0); @@ -116,8 +126,13 @@ } else if (len == strlen("false") && strncasecmp(str, "false", len) == 0) { set_value(false); } else { - THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), - "Boolean parsing error in diagnostic command arguments"); + ResourceMark rm; + + char* buf = NEW_RESOURCE_ARRAY(char, len + 1); + strncpy(buf, str, len); + buf[len] = '\0'; + Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::java_lang_IllegalArgumentException(), + "Boolean parsing error in command argument '%s'. Could not parse: %s.", _name, buf); } } } @@ -168,7 +183,7 @@ size_t len, TRAPS) { if (str == NULL) { THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), - "Integer parsing error nanotime value: syntax error"); + "Integer parsing error nanotime value: syntax error, value is null"); } int argc = sscanf(str, INT64_FORMAT , &_value._time);
--- a/src/share/vm/services/memBaseline.cpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/services/memBaseline.cpp Thu Jan 17 03:37:13 2013 -0800 @@ -39,6 +39,7 @@ {mtOther, "Other"}, {mtSymbol, "Symbol"}, {mtNMT, "Memory Tracking"}, + {mtTracing, "Tracing"}, {mtChunk, "Pooled Free Chunks"}, {mtClassShared,"Shared spaces for classes"}, {mtNone, "Unknown"} // It can happen when type tagging records are lagging
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/trace.dtd Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,86 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. + +--> + +<!ELEMENT trace (xi:include, relation_decls, events*, xi:include)> +<!ELEMENT types (content_types, primary_types)> +<!ELEMENT content_types (content_type|struct_type)*> +<!ELEMENT content_type (value|structvalue|structarray|array)*> +<!ELEMENT struct_type (value*)> +<!ELEMENT primary_types (primary_type*)> +<!ELEMENT primary_type EMPTY> +<!ELEMENT relation_decls (relation_decl*)> +<!ELEMENT relation_decl EMPTY> +<!ELEMENT events (event|struct)*> +<!ELEMENT event (value|structvalue)*> +<!ELEMENT struct (value|structvalue)*> +<!ELEMENT value EMPTY> +<!ELEMENT structvalue EMPTY> +<!ELEMENT structarray EMPTY> +<!ELEMENT array EMPTY> +<!ATTLIST content_type id CDATA #REQUIRED + hr_name CDATA #REQUIRED + type CDATA #REQUIRED + jvm_type CDATA #IMPLIED + builtin_type CDATA #IMPLIED> +<!ATTLIST struct_type id CDATA #REQUIRED> +<!ATTLIST structarray type CDATA #REQUIRED + field CDATA #REQUIRED + label CDATA #REQUIRED> +<!ATTLIST primary_type symbol CDATA #REQUIRED + datatype CDATA #REQUIRED + contenttype CDATA #REQUIRED + type CDATA #REQUIRED + sizeop CDATA #REQUIRED> +<!ATTLIST relation_decl id CDATA #REQUIRED + uri CDATA #REQUIRED> +<!ATTLIST event id CDATA #REQUIRED + path CDATA #REQUIRED + label CDATA #REQUIRED + description CDATA #IMPLIED + has_thread CDATA "false" + ignore_check CDATA "false" + has_stacktrace CDATA "false" + is_instant CDATA "false" + is_constant CDATA "false" + is_requestable CDATA "false"> +<!ATTLIST struct id CDATA #REQUIRED> +<!ATTLIST value type CDATA #REQUIRED + field CDATA #REQUIRED + label CDATA #REQUIRED + description CDATA #IMPLIED + relation CDATA "NOT_AVAILABLE" + transition CDATA "NONE"> +<!ATTLIST array type CDATA #REQUIRED + field CDATA #REQUIRED + label CDATA #REQUIRED + description CDATA #IMPLIED> +<!ATTLIST structarray type CDATA #REQUIRED + field CDATA #REQUIRED + label CDATA #REQUIRED + description CDATA #IMPLIED> +<!ATTLIST structvalue type CDATA #REQUIRED + field CDATA #REQUIRED + label CDATA #REQUIRED + description CDATA #IMPLIED>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/trace.xml Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,294 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. + +--> + + +<!DOCTYPE trace SYSTEM "trace.dtd" [ +<!ENTITY % xinclude SYSTEM "xinclude.mod"> +%xinclude; +]> + +<trace> + <xi:include href="tracetypes.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/> + + <relation_decls> + <relation_decl id="GC_ID" uri="vm/gc/id"/> + <relation_decl id="COMP_ID" uri="vm/compiler/id"/> + <relation_decl id="SWEEP_ID" uri="vm/code_sweeper/id"/> + </relation_decls> + +<!-- + +Events in the JVM are by default timed (it's more common) +Perhaps a little strange. Might change. + +EVENTS + +Declard with the 'event' tag. + +<value fields> can be one or more of + value - a simple primitive or constant type value + structvalue - value is a sub-struct. This type must be previously defined + with 'struct' +All these require you to declare type, field and label of the field. They also accept +an optional description of the field. If the meaning of the field is not obvious +from the label you should provide a description. If an event however is not actually +meant for end-users, you should probably _not_ write descriptions at all, since you +might just add more concepts the user has no notion of/interest in. + +Events should be modeled after what conceptual process you are expressing, _NOT_ +from whatever data structures you might use inside the JVM for expressing a process. + + +STRUCT + +Declared with the 'struct' tag. + +Declares a structure type that can be used in other events. + +--> + + <events> + <event id="ThreadStart" path="java/thread_start" label="Java Thread Start" + has_thread="true" is_instant="true"> + <value type="JAVALANGTHREAD" field="javalangthread" label="Java Thread"/> + </event> + + <event id="ThreadEnd" path="java/thread_end" label="Java Thread End" + has_thread="true" is_instant="true"> + <value type="JAVALANGTHREAD" field="javalangthread" label="Java Thread"/> + </event> + + <event id="ThreadSleep" path="java/thread_sleep" label="Java Thread Sleep" + has_thread="true" has_stacktrace="true" is_instant="false"> + <value type="MILLIS" field="time" label="Sleep Time"/> + </event> + + <event id="ThreadPark" path="java/thread_park" label="Java Thread Park" + has_thread="true" has_stacktrace="true" is_instant="false"> + <value type="CLASS" field="klass" label="Class Parked On"/> + <value type="MILLIS" field="timeout" label="Park Timeout"/> + <value type="ADDRESS" field="address" label="Address of Object Parked"/> + </event> + + <event id="JavaMonitorEnter" path="java/monitor_enter" label="Java Monitor Blocked" + has_thread="true" has_stacktrace="true" is_instant="false"> + <value type="CLASS" field="klass" label="Monitor Class"/> + <value type="JAVALANGTHREAD" field="previousOwner" label="Previous Monitor Owner"/> + <value type="ADDRESS" field="address" label="Monitor Address"/> + </event> + + <event id="JavaMonitorWait" path="java/monitor_wait" label="Java Monitor Wait" description="Waiting on a Java monitor" + has_thread="true" has_stacktrace="true" is_instant="false"> + <value type="CLASS" field="klass" label="Monitor Class" description="Class of object waited on"/> + <value type="OSTHREAD" field="notifier" label="Notifier Thread" description="Notifying Thread"/> + <value type="MILLIS" field="timeout" label="Timeout" description="Maximum wait time"/> + <value type="BOOLEAN" field="timedOut" label="Timed Out" description="Wait has been timed out"/> + <value type="ADDRESS" field="address" label="Monitor Address" description="Address of object waited on"/> + </event> + + <struct id="VirtualSpace"> + <value type="ADDRESS" field="start" label="Start Address" description="Start address of the virtual space" /> + <value type="ADDRESS" field="committedEnd" label="Committed End Address" description="End address of the committed memory for the virtual space" /> + <value type="BYTES64" field="committedSize" label="Committed Size" description="Size of the committed memory for the virtual space" /> + <value type="ADDRESS" field="reservedEnd" label="Reserved End Address" description="End address of the reserved memory for the virtual space" /> + <value type="BYTES64" field="reservedSize" label="Reserved Size" description="Size of the reserved memory for the virtual space" /> + </struct> + + <struct id="ObjectSpace"> + <value type="ADDRESS" field="start" label="Start Address" description="Start address of the space" /> + <value type="ADDRESS" field="end" label="End Address" description="End address of the space" /> + <value type="BYTES64" field="used" label="Used" description="Bytes allocated by objects in the space" /> + <value type="BYTES64" field="size" label="Size" description="Size of the space" /> + </struct> + + <event id="GCHeapSummary" path="vm/gc/heap/summary" label="Heap Summary" is_instant="true"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="GCWHEN" field="when" label="When" /> + <structvalue type="VirtualSpace" field="heapSpace" label="Heap Space"/> + <value type="BYTES64" field="heapUsed" label="Heap Used" description="Bytes allocated by objects in the heap"/> + </event> + + <event id="PermGenSummary" path="vm/gc/heap/perm_gen_summary" label="Perm Gen Summary" is_instant="true"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="GCWHEN" field="when" label="When" /> + <structvalue type="VirtualSpace" field="permSpace" label="PermGen Space"/> + <structvalue type="ObjectSpace" field="objectSpace" label="Object Space"/> + </event> + + <event id="PSHeapSummary" path="vm/gc/heap/ps_summary" label="ParallelScavengeHeap Summary" is_instant="true"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="GCWHEN" field="when" label="When" /> + + <structvalue type="VirtualSpace" field="oldSpace" label="Old Space"/> + <structvalue type="ObjectSpace" field="oldObjectSpace" label="Old Object Space"/> + + <structvalue type="VirtualSpace" field="youngSpace" label="Young Space"/> + <structvalue type="ObjectSpace" field="edenSpace" label="Eden Space"/> + <structvalue type="ObjectSpace" field="fromSpace" label="From Space"/> + <structvalue type="ObjectSpace" field="toSpace" label="To Space"/> + </event> + + <event id="GCGarbageCollection" path="vm/gc/collector/garbage_collection" label="Garbage Collection" + description="Garbage collection performed by the JVM"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID" /> + <value type="GCNAME" field="name" label="Name" description="The name of the Garbage Collector" /> + <value type="GCCAUSE" field="cause" label="Cause" description="The reason for triggering this Garbage Collection" /> + <value type="TICKS" field="sumOfPauses" label="Sum of Pauses" description="Sum of all the times in which Java execution was paused during the garbage collection" /> + <value type="TICKS" field="longestPause" label="Longest Pause" description="Longest individual pause during the garbage collection" /> + </event> + + <event id="GCParallelOld" path="vm/gc/collector/parold_garbage_collection" label="Parallel Old Garbage Collection" + description="Extra information specific to Parallel Old Garbage Collections"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID" /> + <value type="ADDRESS" field="densePrefix" label="Dense Prefix" description="The address of the dense prefix, used when compacting" /> + </event> + + <event id="GCYoungGarbageCollection" path="vm/gc/collector/young_garbage_collection" label="Young Garbage Collection" + description="Extra information specific to Young Garbage Collections"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID" /> + <!-- This information can also be found by looking for PromotionFailed events. It's here for convenience. --> + <value type="BOOLEAN" field="promotionFailed" label="Promotion Failed" description="Tells if we failed to promote some objects to the old gen" /> + </event> + + <event id="GCOldGarbageCollection" path="vm/gc/collector/old_garbage_collection" label="Old Garbage Collection" + description="Extra information specific to Old Garbage Collections"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + </event> + + <event id="GCG1GarbageCollection" path="vm/gc/collector/g1_garbage_collection" label="G1 Garbage Collection" + description="Extra information specific to G1 Garbage Collections"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="G1YCTYPE" field="type" label="Type" /> + </event> + + <event id="GCReferenceProcessing" path="vm/gc/reference/statistics" + label="GC Reference Processing" is_instant="true" + description="Total count of processed references during GC"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="REFERENCETYPE" field="type" label="Type" /> + <value type="ULONG" field="count" label="Total Count" /> + </event> + + <event id="PromotionFailed" path="vm/gc/detailed/promotion_failed" label="Promotion Failed" is_instant="true" + description="Promotion of an object failed"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="BYTES64" field="objectCount" label="Object Count"/> + <value type="BYTES64" field="totalSize" label="Total Object Size"/> + </event> + + <event id="GCPhasePause" path="vm/gc/phases/pause" label="GC Phase Pause"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="UTF8" field="name" label="Name" /> + </event> + + <event id="GCPhasePauseLevel1" path="vm/gc/phases/pause_level_1" label="GC Phase Pause Level 1"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="UTF8" field="name" label="Name" /> + </event> + + <event id="GCPhasePauseLevel2" path="vm/gc/phases/pause_level_2" label="GC Phase Pause Level 2"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="UTF8" field="name" label="Name" /> + </event> + + <event id="GCPhasePauseLevel3" path="vm/gc/phases/pause_level_3" label="GC Phase Pause Level 3"> + <value type="ULONG" field="gcId" label="GC ID" relation="GC_ID"/> + <value type="UTF8" field="name" label="Name" /> + </event> + + <!-- Compiler events --> + + <event id="Compilation" path="vm/compiler/compilation" label="Compilation" + has_thread="true" is_requestable="false" is_constant="false"> + <value type="METHOD" field="method" label="Java Method"/> + <value type="INTEGER" field="compileID" label="Compilation ID" relation="COMP_ID"/> + <value type="USHORT" field="compileLevel" label="Compilation Level"/> + <value type="BOOLEAN" field="succeded" label="Succeeded"/> + <value type="BOOLEAN" field="isOsr" label="On Stack Replacement"/> + <value type="BYTES" field="codeSize" label="Compiled Code Size"/> + <value type="BYTES" field="inlinedBytes" label="Inlined Code Size"/> + </event> + + <event id="CompilerPhase" path="vm/compiler/phase" label="Compiler Phase" + has_thread="true" is_requestable="false" is_constant="false"> + <value type="COMPILERPHASETYPE" field="phase" label="Compile Phase"/> + <value type="INTEGER" field="compileID" label="Compilation ID" relation="COMP_ID"/> + <value type="USHORT" field="phaseLevel" label="Phase Level"/> + </event> + + <event id="CompilerFailure" path="vm/compiler/failure" label="Compilation Failure" + has_thread="true" is_requestable="false" is_constant="false" is_instant="true"> + <value type="UTF8" field="failure" label="Message"/> + <value type="INTEGER" field="compileID" label="Compilation ID" relation="COMP_ID"/> + </event> + + <!-- Code sweeper events --> + + <event id="SweepCodeCache" path="vm/code_sweeper/sweep" label="Sweep Code Cache" + has_thread="true" is_requestable="false" is_constant="false"> + <value type="INTEGER" field="sweepIndex" label="Sweep Index" relation="SWEEP_ID"/> + <value type="USHORT" field="sweepFractionIndex" label="Fraction Index"/> + <value type="UINT" field="sweptCount" label="Methods Swept"/> + <value type="UINT" field="flushedCount" label="Methods Flushed"/> + <value type="UINT" field="markedCount" label="Methods Reclaim"/> + <value type="UINT" field="zombifiedCount" label="Methods Zombified"/> + </event> + + <event id="CleanCodeCache" path="vm/code_sweeper/clean" label="Clean Code Cache" + description="Clean code cache from oldest methods" + has_thread="true" is_requestable="false" is_constant="false"> + <value type="UINT" field="disconnectedCount" label="Methods Disconnected"/> + <value type="UINT" field="madeNonEntrantCount" label="Methods Made Non-Entrant"/> + </event> + + <!-- Code cache events --> + + <event id="CodeCacheFull" path="vm/code_cache/full" label="Code Cache Full" + has_thread="true" is_requestable="false" is_constant="false" is_instant="true"> + <value type="ADDRESS" field="startAddress" label="Start Address"/> + <value type="ADDRESS" field="commitedTopAddress" label="Commited Top"/> + <value type="ADDRESS" field="reservedTopAddress" label="Reserved Top"/> + <value type="INTEGER" field="entryCount" label="Entries"/> + <value type="INTEGER" field="methodCount" label="Methods"/> + <value type="INTEGER" field="adaptorCount" label="Adaptors"/> + <value type="BYTES64" field="unallocatedCapacity" label="Unallocated"/> + <value type="BYTES64" field="largestFreeBlock" label="Largest Free Block"/> + <value type="INTEGER" field="fullCount" label="Full Count"/> + </event> + + <event id="ExecuteVMOperation" path="vm/runtime/execute_vm_operation" label="VM Operation" + description="Execution of a VM Operation" has_thread="true"> + <value type="VMOPERATIONTYPE" field="operation" label="Operation" /> + <value type="BOOLEAN" field="safepoint" label="At Safepoint" description="If the operation occured at a safepoint."/> + <value type="BOOLEAN" field="blocking" label="Caller Blocked" description="If the calling thread was blocked until the operation was complete."/> + <value type="OSTHREAD" field="caller" label="Caller" transition="TO"/> + </event> + + </events> + + <xi:include href="../../../closed/share/vm/trace/traceevents.xml" xmlns:xi="http://www.w3.org/2001/XInclude"> + <xi:fallback/> + </xi:include> +</trace>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceBackend.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ +#ifndef SHARE_VM_TRACE_TRACEBACKEND_HPP +#define SHARE_VM_TRACE_TRACEBACKEND_HPP + +#if INCLUDE_TRACE + +#include "trace/traceTime.hpp" +#include "tracefiles/traceEventIds.hpp" +#include "runtime/globals.hpp" +#include "runtime/os.hpp" + +class TraceBackend { + public: + static bool enabled(TraceEventId id) { + return EnableTracing; + } + + static TracingTime time() { + return os::elapsed_counter(); + } + + static TracingTime time_adjustment(jlong time) { + return time; + } +}; + +typedef TraceBackend Tracing; + +#endif /* INCLUDE_TRACE */ +#endif /* SHARE_VM_TRACE_TRACEBACKEND_HPP */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceDataTypes.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_TRACE_TRACEDATATYPES_HPP +#define SHARE_VM_TRACE_TRACEDATATYPES_HPP + +#include <stddef.h> + +#include "utilities/globalDefinitions.hpp" + +enum { + CONTENT_TYPE_NONE = 0, + CONTENT_TYPE_BYTES = 1, + CONTENT_TYPE_EPOCHMILLIS = 2, + CONTENT_TYPE_MILLIS = 3, + CONTENT_TYPE_NANOS = 4, + CONTENT_TYPE_TICKS = 5, + CONTENT_TYPE_ADDRESS = 6, + + CONTENT_TYPE_OSTHREAD, + CONTENT_TYPE_JAVALANGTHREAD, + CONTENT_TYPE_STACKTRACE, + CONTENT_TYPE_CLASS, + CONTENT_TYPE_PERCENTAGE, + + JVM_CONTENT_TYPES_START = 30, + JVM_CONTENT_TYPES_END = 100 +}; + +enum ReservedEvent { + EVENT_PRODUCERS, + EVENT_CHECKPOINT, + EVENT_BUFFERLOST, + + NUM_RESERVED_EVENTS +}; + +typedef enum ReservedEvent ReservedEvent; + +typedef u8 classid; +typedef u8 stacktraceid; +typedef u8 methodid; +typedef u8 fieldid; + +#endif // SHARE_VM_TRACE_TRACEDATATYPES_HPP +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceEvent.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_TRACE_TRACEEVENT_HPP +#define SHARE_VM_TRACE_TRACEEVENT_HPP + +enum EventStartTime { + UNTIMED, + TIMED +}; + +#if INCLUDE_TRACE + +#include "trace/traceBackend.hpp" +#include "trace/tracing.hpp" +#include "tracefiles/traceEventIds.hpp" +#include "tracefiles/traceTypes.hpp" + +template<typename T> +class TraceEvent : public StackObj { + protected: + jlong _startTime; + jlong _endTime; + + private: + bool _started; +#ifdef ASSERT + bool _committed; + bool _cancelled; + protected: + bool _ignore_check; +#endif + + public: + TraceEvent(EventStartTime timing=TIMED) : + _startTime(0), + _endTime(0), + _started(false) +#ifdef ASSERT + , + _committed(false), + _cancelled(false), + _ignore_check(false) +#endif + { + if (T::is_enabled()) { + _started = true; + if (timing == TIMED && !T::isInstant) { + static_cast<T *>(this)->set_starttime(Tracing::time()); + } + } + } + + static bool is_enabled() { + return Tracing::enabled(T::eventId); + } + + bool should_commit() { + return _started; + } + + void ignoreCheck() { + DEBUG_ONLY(_ignore_check = true); + } + + void commit() { + if (!should_commit()) { + cancel(); + return; + } + if (_endTime == 0) { + static_cast<T *>(this)->set_endtime(Tracing::time()); + } + if (static_cast<T*>(this)->should_write()) { + static_cast<T*>(this)->writeEvent(); + } + set_commited(); + } + + void set_starttime(jlong time) { + _startTime = time; + } + + void set_endtime(jlong time) { + _endTime = time; + } + + TraceEventId id() const { + return T::eventId; + } + + bool is_instant() const { + return T::isInstant; + } + + bool is_requestable() const { + return T::isRequestable; + } + + bool has_thread() const { + return T::hasThread; + } + + bool has_stacktrace() const { + return T::hasStackTrace; + } + + void cancel() { + assert(!_committed && !_cancelled, "event was already committed/cancelled"); + DEBUG_ONLY(_cancelled = true); + } + + void set_commited() { + assert(!_committed, "event has already been committed"); + DEBUG_ONLY(_committed = true); + } + + ~TraceEvent() { + if (_started) { + assert(_ignore_check || _committed || _cancelled, "event was not committed/cancelled"); + } + } +}; + +#endif /* INCLUDE_TRACE */ + +#endif /* SHARE_VM_TRACE_TRACEEVENT_HPP */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceEventClasses.xsl Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,225 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> +<xsl:output method="text" indent="no" omit-xml-declaration="yes"/> +<xsl:import href="xsl_util.xsl"/> + +<xsl:template match="/"> + <xsl:call-template name="file-header"/> + +#ifndef TRACEFILES_TRACEEVENTCLASSES_HPP +#define TRACEFILES_TRACEEVENTCLASSES_HPP + +// On purpose outside the INCLUDE_TRACE +// Some parts of traceEvent.hpp are used outside of +// INCLUDE_TRACE + +#include "tracefiles/traceTypes.hpp" +#include "trace/traceEvent.hpp" + +#if INCLUDE_TRACE + +#include "trace/traceStream.hpp" +#include "utilities/ostream.hpp" + + <xsl:apply-templates select="trace/events/struct" mode="trace"/> + <xsl:apply-templates select="trace/events/event" mode="trace"/> + +#else + +class TraceEvent { +public: + TraceEvent() {} + void set_starttime(jlong time) const {} + void set_endtime(jlong time) const {} + bool should_commit() const { return false; } + void commit() const {} +}; + + <xsl:apply-templates select="trace/events/struct" mode="empty"/> + <xsl:apply-templates select="trace/events/event" mode="empty"/> + +#endif + +#endif +</xsl:template> + +<xsl:template match="struct" mode="trace"> +struct TraceStruct<xsl:value-of select="@id"/> +{ +private: +<xsl:apply-templates select="value" mode="write-fields"/> +public: +<xsl:apply-templates select="value" mode="write-setters"/> + + void writeStruct(TraceStream& ts) { +<xsl:apply-templates select="value" mode="write-data"/> + } +}; + +</xsl:template> + +<xsl:template match="struct" mode="empty"> +struct TraceStruct<xsl:value-of select="@id"/> +{ +public: +<xsl:apply-templates select="value" mode="write-empty-setters"/> +}; +</xsl:template> + + +<xsl:template match="event" mode="empty"> + <xsl:value-of select="concat('class Event', @id, ' : public TraceEvent')"/> +{ + public: +<xsl:value-of select="concat(' Event', @id, '(bool ignore=true) {}')"/> +<xsl:text> +</xsl:text> + +<xsl:apply-templates select="value|structvalue|transition_value|relation" mode="write-empty-setters"/> +}; + +</xsl:template> + + +<xsl:template match="event" mode="trace"> + <xsl:value-of select="concat('class Event', @id, ' : public TraceEvent<Event', @id, '>')"/> +{ + public: + static const bool hasThread = <xsl:value-of select="@has_thread"/>; + static const bool hasStackTrace = <xsl:value-of select="@has_stacktrace"/>; + static const bool isInstant = <xsl:value-of select="@is_instant"/>; + static const bool isRequestable = <xsl:value-of select="@is_requestable"/>; + static const TraceEventId eventId = <xsl:value-of select="concat('Trace', @id, 'Event')"/>; + + private: +<xsl:apply-templates select="value|structvalue|transition_value|relation" mode="write-fields"/> + + public: +<xsl:apply-templates select="value|structvalue|transition_value|relation" mode="write-setters"/> + + bool should_write(void) { + return true; + } +<xsl:text> + +</xsl:text> + <xsl:value-of select="concat(' Event', @id, '(EventStartTime timing=TIMED) : TraceEvent<Event', @id, '>(timing) {}', $newline)"/> + void writeEvent(void) { + TraceStream ts(*tty); + ts.print("<xsl:value-of select="@label"/>: ["); +<xsl:apply-templates select="value|structvalue" mode="write-data"/> + ts.print("]\n"); + } +}; + +</xsl:template> + +<xsl:template match="value|transition_value|relation" mode="write-empty-setters"> + <xsl:param name="cls"/> + <xsl:variable name="type" select="@type"/> + <xsl:variable name="wt" select="//primary_type[@symbol=$type]/@type"/> + <xsl:value-of select="concat(' void set_', @field, '(', $wt, ' value) { }')"/> + <xsl:if test="position() != last()"> + <xsl:text> +</xsl:text> + </xsl:if> +</xsl:template> + +<xsl:template match="structvalue" mode="write-empty-setters"> + <xsl:param name="cls"/> + <xsl:value-of select="concat(' void set_', @field, '(const TraceStruct', @type, '& value) { }')"/> + <xsl:if test="position() != last()"> + <xsl:text> +</xsl:text> + </xsl:if> +</xsl:template> + + +<xsl:template match="value[@type='TICKS']" mode="write-setters"> +#if INCLUDE_TRACE + <xsl:value-of select="concat('void set_', @field, '(jlong time) { _', @field, ' = time; }')"/> +#else + <xsl:value-of select="concat('void set_', @field, '(jlong ignore) {}')"/> +#endif +</xsl:template> + +<xsl:template match="value" mode="write-fields"> + <xsl:variable name="type" select="@type"/> + <xsl:variable name="wt" select="//primary_type[@symbol=$type]/@type"/> + <xsl:value-of select="concat(' ', $wt, ' _', @field, ';')"/> + <xsl:if test="position() != last()"> + <xsl:text> +</xsl:text> + </xsl:if> +</xsl:template> + +<xsl:template match="structvalue" mode="write-fields"> + <xsl:value-of select="concat(' TraceStruct', @type, ' _', @field, ';')"/> + <xsl:text> +</xsl:text> +</xsl:template> + +<xsl:template match="value|transition_value|relation" mode="write-setters"> + <xsl:param name="cls"/> + <xsl:variable name="type" select="@type"/> + <xsl:variable name="wt" select="//primary_type[@symbol=$type]/@type"/> + <xsl:value-of select="concat(' void set_', @field, '(', $wt, ' value) { this->_', @field, ' = value; }')"/> + <xsl:if test="position() != last()"> + <xsl:text> +</xsl:text> + </xsl:if> +</xsl:template> + +<xsl:template match="structvalue" mode="write-setters"> + <xsl:param name="cls"/> + <xsl:value-of select="concat(' void set_', @field, '(const TraceStruct', @type, '& value) { this->_', @field, ' = value; }')"/> + <xsl:if test="position() != last()"> + <xsl:text> +</xsl:text> + </xsl:if> +</xsl:template> + +<xsl:template match="value" mode="write-data"> + <xsl:variable name="type" select="@type"/> + <xsl:variable name="wt" select="//primary_type[@symbol=$type]/@writetype"/> + <xsl:value-of select="concat(' ts.print_val("', @label, '", _', @field, ');')"/> + <xsl:if test="position() != last()"> + <xsl:text> + ts.print(", "); +</xsl:text> + </xsl:if> +</xsl:template> + +<xsl:template match="structvalue" mode="write-data"> + <xsl:value-of select="concat(' _', @field, '.writeStruct(ts);')"/> + <xsl:if test="position() != last()"> + <xsl:text> + ts.print(", "); +</xsl:text> + </xsl:if> +</xsl:template> + +</xsl:stylesheet>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceEventIds.xsl Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,72 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> +<xsl:output method="text" indent="no" omit-xml-declaration="yes"/> +<xsl:import href="xsl_util.xsl"/> + +<xsl:template match="/"> + <xsl:call-template name="file-header"/> + +#ifndef TRACEFILES_JFREVENTIDS_HPP +#define TRACEFILES_JFREVENTIDS_HPP + +#if INCLUDE_TRACE + +#include "trace/traceDataTypes.hpp" + +/** + * Enum of the event types in the JVM + */ +enum TraceEventId { + _traceeventbase = (NUM_RESERVED_EVENTS-1), // Make sure we start at right index. + + // Events -> enum entry +<xsl:for-each select="trace/events/event"> + <xsl:value-of select="concat(' Trace', @id, 'Event,', $newline)"/> +</xsl:for-each> + MaxTraceEventId +}; + +/** + * Struct types in the JVM + */ +enum TraceStructId { +<xsl:for-each select="trace/types/content_types/*"> + <xsl:value-of select="concat(' Trace', @id, 'Struct,', $newline)"/> +</xsl:for-each> +<xsl:for-each select="trace/events/*"> + <xsl:value-of select="concat(' Trace', @id, 'Struct,', $newline)"/> +</xsl:for-each> + MaxTraceStructId +}; + +typedef enum TraceEventId TraceEventId; +typedef enum TraceStructId TraceStructId; + +#endif +#endif +</xsl:template> + +</xsl:stylesheet>
--- a/src/share/vm/trace/traceEventTypes.hpp Wed Jan 16 13:59:27 2013 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,30 +0,0 @@ -/* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#ifndef SHARE_VM_TRACE_TRACE_EVENT_TYPES_HPP -#define SHARE_VM_TRACE_TRACE_EVENT_TYPES_HPP - -/* Empty, just a placeholder for tracing events */ - -#endif
--- a/src/share/vm/trace/traceMacros.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/trace/traceMacros.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -25,20 +25,13 @@ #ifndef SHARE_VM_TRACE_TRACE_MACRO_HPP #define SHARE_VM_TRACE_TRACE_MACRO_HPP -#define EVENT_BEGIN(type, name) -#define EVENT_SET(name, field, value) -#define EVENT_COMMIT(name, ...) -#define EVENT_STARTED(name, time) -#define EVENT_ENDED(name, time) #define EVENT_THREAD_EXIT(thread) -#define TRACE_ENABLED 0 - #define TRACE_INIT_ID(k) #define TRACE_BUFFER void* -#define TRACE_START() true -#define TRACE_INITIALIZE() 0 +#define TRACE_START() JNI_OK +#define TRACE_INITIALIZE() JNI_OK #define TRACE_SET_KLASS_TRACE_ID(x1, x2) do { } while (0) #define TRACE_DEFINE_KLASS_METHODS typedef int ___IGNORED_hs_trace_type1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceStream.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_TRACE_TRACESTREAM_HPP +#define SHARE_VM_TRACE_TRACESTREAM_HPP + +#if INCLUDE_TRACE + +#include "utilities/ostream.hpp" +#include "oops/methodOop.hpp" +#include "oops/klassOop.hpp" + +class TraceStream : public StackObj { + private: + outputStream& _st; + + public: + TraceStream(outputStream& stream): _st(stream) {} + + void print_val(const char* label, u1 val) { + _st.print("%s = "UINT32_FORMAT, label, val); + } + + void print_val(const char* label, u2 val) { + _st.print("%s = "UINT32_FORMAT, label, val); + } + + void print_val(const char* label, s2 val) { + _st.print("%s = "INT32_FORMAT, label, val); + } + + void print_val(const char* label, u4 val) { + _st.print("%s = "UINT32_FORMAT, label, val); + } + + void print_val(const char* label, s4 val) { + _st.print("%s = "INT32_FORMAT, label, val); + } + + void print_val(const char* label, u8 val) { + _st.print("%s = "UINT64_FORMAT, label, val); + } + + void print_val(const char* label, s8 val) { + _st.print("%s = "INT64_FORMAT, label, val); + } + + void print_val(const char* label, bool val) { + _st.print("%s = %s", label, val ? "true" : "false"); + } + + void print_val(const char* label, float val) { + _st.print("%s = %f", label, val); + } + + void print_val(const char* label, double val) { + _st.print("%s = %f", label, val); + } + + void print_val(const char* label, klassOop& val) { + _st.print("%s = %s", label, val->print_string()); + } + + void print_val(const char* label, methodOop& val) { + _st.print("%s = %s", label, val->print_string()); + } + + void print_val(const char* label, const char* val) { + _st.print("%s = '%s'", label, val); + } + + void print(const char* val) { + _st.print(val); + } +}; + +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceTime.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_TRACE_TRACETIME_HPP +#define SHARE_VM_TRACE_TRACETIME_HPP + +#include "prims/jni.h" + +typedef jlong TracingTime; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/traceTypes.xsl Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,74 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> +<xsl:output method="text" indent="no" omit-xml-declaration="yes"/> +<xsl:import href="xsl_util.xsl"/> + +<xsl:template match="/"> + <xsl:call-template name="file-header"/> + +#ifndef TRACEFILES_JFRTYPES_HPP +#define TRACEFILES_JFRTYPES_HPP + +#include "trace/traceDataTypes.hpp" +#include "utilities/globalDefinitions.hpp" +#include "oops/symbol.hpp" +#include "oops/klassOop.hpp" +#include "oops/methodOop.hpp" + +enum JVMContentType { + _not_a_content_type = (JVM_CONTENT_TYPES_START - 1), + +<xsl:for-each select="trace/types/content_types/content_type[@jvm_type]"> + <xsl:value-of select="concat(' CONTENT_TYPE_', @jvm_type, ',', $newline)"/> +</xsl:for-each> + NUM_JVM_CONTENT_TYPES +}; + + +enum JVMEventRelations { + JVM_REL_NOT_AVAILABLE = 0, + +<xsl:for-each select="trace/relation_decls/relation_decl"> + <xsl:value-of select="concat(' JVM_REL_', @id, ',', $newline)"/> +</xsl:for-each> + NUM_EVENT_RELATIONS +}; + +/** + * Create typedefs for the JRA types: + * typedef s8 TYPE_LONG; + * typedef s4 TYPE_INTEGER; + * typedef const char * TYPE_STRING; + * ... + */ +<xsl:for-each select="trace/types/primary_types/primary_type"> +typedef <xsl:value-of select="@type"/> TYPE_<xsl:value-of select="@symbol"/>; +</xsl:for-each> + +#endif // JFRFILES_JFRTYPES_HPP +</xsl:template> + +</xsl:stylesheet>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/tracetypes.xml Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,363 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. +--> + +<!DOCTYPE types SYSTEM "trace.dtd"> + +<!-- + +Content types (complex) should create constant pool data +in the recording. +Currently at least, there is _NO_ verification that whatever +writer you have is actually writing correctly. So BE CAREFUL! + +Declared with the 'content_type' tag. + +<type> is the ID type, i.e the integer type that resolves this. Most often +U4 or U8, but for example really small number constants, like GCTYPE uses U1. + +<content-type> is where it gets interesting. 'builtin_type' means we're +defining how we resolve one of the trace built-in types (Class, Thread etc), +jvm_type means defining a new one for our own use. + +Example: (GcMode) + +<content_type id="GCMode" hr_name="GC mode" type="U1" jvm_type="GCMODE"> + <value type="UTF8" field="desc" description="Description"/> +</content_type> + +This creates a content type CONTENT_TYPE_GCMODE +The field type referencing it is u1 (U1), and the constant pool struct has one field, the name. + +Before we can use it we need also define a primary field data type: + +<primary_type symbol="GCMODE" datatype="U1" contenttype="NONE" + type="u8" sizeop="sizeof(u1)"/> + +Now we can use the content + data type in declaring event fields. +Remember however, that for us to be able to resolve the value later we must also add +creating the constant pool data in VM_JFRCheckpoint::write_checkpoint + + ... + //CGMODE + w->be_uint(CONTENT_TYPE_GCMODE); + w->be_uint(MM_GC_MODE_UNINITIALIZED); + for (i = 0; i < MM_GC_MODE_UNINITIALIZED; i++) { + w->uchar(i); + w->write_utf8(gcModeGetName(i)); + } + + --> + + <types> + <content_types> + <content_type id="Thread" hr_name="Thread" + type="U4" builtin_type="OSTHREAD"> + <value type="UTF8" field="name" label="Thread name"/> + </content_type> + + <content_type id="VMThread" hr_name="VM Thread" + type="U8" jvm_type="VMTHREAD"> + <value type="OSTHREAD" field="thread" label="VM Thread"/> + </content_type> + + <!-- The first argument ("JavaThread") is misleading, it's really a + java.lang.Thread id (long), but Mission Control depends on the name + being "JavaThread" so it shouldn't be changed. + --> + <content_type id="JavaThread" hr_name="Java thread" + type="U8" builtin_type="JAVALANGTHREAD"> + <value type="OSTHREAD" field="thread" label="OS Thread ID"/> + <value type="BYTES64" field="allocInsideTla" + label="Allocated bytes inside TLAs"/> + <value type="BYTES64" field="allocOutsideTla" + label="Allocated bytes outside TLAs"/> + <value type="THREADGROUP" field="group" label="Java Thread Group"/> + </content_type> + + <content_type id="ThreadGroup" hr_name="Thread group" + type="U4" jvm_type="THREADGROUP"> + <value type="THREADGROUP" field="parent" label="Parent"/> + <value type="UTF8" field="name" label="Name"/> + </content_type> + + <content_type id="StackTrace" hr_name="Stacktrace" + type="U8" builtin_type="STACKTRACE"> + <structarray type="StackFrame" field="frames" label="Stack frames"/> + </content_type> + + <content_type id="Class" hr_name="Java class" + type="U8" builtin_type="CLASS"> + <value type="CLASS" field="loaderClass" label="ClassLoader"/> + <value type="SYMBOL" field="name" label="Name"/> + <value type="SHORT" field="modifiers" label="Access modifiers"/> + </content_type> + + <content_type id="Method" hr_name="Java method" + type="U8" jvm_type="METHOD"> + <value type="CLASS" field="class" label="Class"/> + <value type="SYMBOL" field="name" label="Name"/> + <value type="SYMBOL" field="signature" label="Signature"/> + <value type="SHORT" field="modifiers" label="Access modifiers"/> + </content_type> + + <content_type id="UTFConstant" hr_name="UTF constant" + type="U8" jvm_type="SYMBOL"> + <value type="UTF8" field="utf8" label="UTF8 data"/> + </content_type> + + <content_type id="ThreadState" hr_name="Java Thread State" + type="U2" jvm_type="THREADSTATE"> + <value type="UTF8" field="name" label="Name"/> + </content_type> + + <content_type id="FrameType" hr_name="Frame type" + type="U1" jvm_type="FRAMETYPE"> + <value type="UTF8" field="desc" label="Description"/> + </content_type> + + <struct_type id="StackFrame"> + <value type="METHOD" field="method" label="Java Method"/> + <value type="INTEGER" field="line" label="Line number"/> + <value type="FRAMETYPE" field="type" label="Frame type"/> + </struct_type> + + <content_type id="GCName" hr_name="GC Name" + type="U1" jvm_type="GCNAME"> + <value type="UTF8" field="name" label="name" /> + </content_type> + + <content_type id="GCCause" hr_name="GC Cause" + type="U2" jvm_type="GCCAUSE"> + <value type="UTF8" field="cause" label="cause" /> + </content_type> + + <content_type id="GCWhen" hr_name="GC When" + type="U1" jvm_type="GCWHEN"> + <value type="UTF8" field="when" label="when" /> + </content_type> + + <content_type id="G1YCType" hr_name="G1 YC Type" + type="U1" jvm_type="G1YCTYPE"> + <value type="UTF8" field="type" label="type" /> + </content_type> + + <content_type id="ReferenceType" hr_name="Reference Type" + type="U1" jvm_type="REFERENCETYPE"> + <value type="UTF8" field="type" label="type" /> + </content_type> + + <content_type id="NARROW_OOP_MODE" hr_name="Narrow Oop Mode" + type="U1" jvm_type="NARROWOOPMODE"> + <value type="UTF8" field="mode" label="mode" /> + </content_type> + + <content_type id="VMOperationType" hr_name="VM Operation Type" + type="U2" jvm_type="VMOPERATIONTYPE"> + <value type="UTF8" field="type" label="type" /> + </content_type> + + <content_type id="CompilerPhaseType" hr_name="Compiler Phase Type" + type="U1" jvm_type="COMPILERPHASETYPE"> + <value type="UTF8" field="phase" label="phase" /> + </content_type> + + </content_types> + + + <primary_types> + <!-- + - primary_type takes these attributes: + - symbol INTEGER, LONG etc + - datatype The trace datatype, see enum DataType + - contenttype Either resolved content type or the semantic meaning + - type The actual type as used in structures etc + - sizeop A function/macro that can be applied on a single + - struct value of type "type" and yield the factual byte + - size we need to write. The % is replaced by the value + --> + + <!-- SIGNED 64bit --> + <primary_type symbol="LONG" datatype="LONG" contenttype="NONE" + type="s8" sizeop="sizeof(s8)"/> + + <!-- UNSIGNED 64bit --> + <primary_type symbol="ULONG" datatype="U8" contenttype="NONE" + type="u8" sizeop="sizeof(u8)"/> + + <!-- SIGNED 32bit --> + <primary_type symbol="INTEGER" datatype="INT" contenttype="NONE" + type="s4" sizeop="sizeof(s4)"/> + + <!-- UNSIGNED 32bit --> + <primary_type symbol="UINT" datatype="U4" contenttype="NONE" + type="unsigned" sizeop="sizeof(unsigned)"/> + + <!-- UNSIGNED 16bit --> + <primary_type symbol="USHORT" datatype="U2" contenttype="NONE" + type="u2" sizeop="sizeof(u2)"/> + + <!-- SIGNED 16bit --> + <primary_type symbol="SHORT" datatype="SHORT" contenttype="NONE" + type="s2" sizeop="sizeof(s2)"/> + + <!-- SIGNED 8bit --> + <primary_type symbol="BYTE" datatype="BYTE" contenttype="NONE" + type="s1" sizeop="sizeof(s1)"/> + + <!-- UNSIGNED 8bit --> + <primary_type symbol="UBYTE" datatype="U1" contenttype="NONE" + type="u1" sizeop="sizeof(u1)"/> + + <!-- float 32bit --> + <primary_type symbol="FLOAT" datatype="FLOAT" contenttype="NONE" + type="float" sizeop="sizeof(float)"/> + + <!-- float 64bit --> + <primary_type symbol="DOUBLE" datatype="DOUBLE" contenttype="NONE" + type="double" sizeop="sizeof(double)"/> + + <!-- boolean type (1-byte) --> + <primary_type symbol="BOOLEAN" datatype="BOOLEAN" contenttype="NONE" + type="bool" sizeop="1"/> + + <!-- 32-bit unsigned integer, SEMANTIC value BYTES --> + <primary_type symbol="BYTES" datatype="U4" contenttype="BYTES" + type="u4" sizeop="sizeof(u4)"/> + + <primary_type symbol="IOBYTES" datatype="U4" contenttype="BYTES" + type="u4" sizeop="sizeof(u4)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value BYTES --> + <primary_type symbol="BYTES64" datatype="U8" contenttype="BYTES" + type="u8" sizeop="sizeof(u8)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value ABSOLUTE MILLISECONDS --> + <primary_type symbol="EPOCHMILLIS" datatype="LONG" contenttype="EPOCHMILLIS" + type="s8" sizeop="sizeof(s8)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value RELATIVE MILLISECONDS --> + <primary_type symbol="MILLIS" datatype="LONG" contenttype="MILLIS" + type="s8" sizeop="sizeof(s8)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value RELATIVE NANOSECONDS --> + <primary_type symbol="NANOS" datatype="LONG" contenttype="NANOS" + type="s8" sizeop="sizeof(s8)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value RELATIVE TICKS --> + <primary_type symbol="TICKS" datatype="LONG" contenttype="TICKS" + type="s8" sizeop="sizeof(s8)"/> + + <!-- 64-bit unsigned integer, SEMANTIC value ADDRESS (mem loc) --> + <primary_type symbol="ADDRESS" datatype="U8" contenttype="ADDRESS" + type="u8" sizeop="sizeof(u8)"/> + + <!-- 32-bit float, SEMANTIC value PERCENTAGE (0.0-1.0) --> + <primary_type symbol="PERCENT" datatype="FLOAT" contenttype="PERCENTAGE" + type="float" sizeop="sizeof(float)"/> + + <!-- UTF-encoded string, max length 64k --> + <primary_type symbol="UTF8" datatype="UTF8" contenttype="NONE" + type="const char *" sizeop="sizeof_utf(%)"/> + + <!-- Symbol* constant. Note that this may currently ONLY be used by + classes, methods fields. This restriction might be lifted. --> + <primary_type symbol="SYMBOL" datatype="U8" contenttype="SYMBOL" + type="Symbol *" sizeop="sizeof(u8)"/> + + <!-- A klassOop *. The actual class is marked as "used" and will + eventually be written into the recording constant pool --> + <primary_type symbol="CLASS" datatype="U8" contenttype="CLASS" + type="klassOop" sizeop="sizeof(u8)"/> + + <!-- A methodOop *. The method is marked as "used" and will eventually be + written into the recording constant pool. --> + <primary_type symbol="METHOD" datatype="U8" contenttype="METHOD" + type="methodOop" sizeop="sizeof(u8)"/> + + <!-- The type for stacktraces in the recording. Shoudl not be used by + events explicitly --> + <primary_type symbol="STACKTRACE" datatype="U8" contenttype="STACKTRACE" + type="u8" sizeop="sizeof(u8)"/> + + <!-- OS Thread ID --> + <primary_type symbol="OSTHREAD" datatype="U4" contenttype="OSTHREAD" + type="u4" sizeop="sizeof(u4)"/> + + <!-- VM Thread ID Note: changed from U2 to U8 for hotspot --> + <primary_type symbol="VMTHREAD" datatype="U8" contenttype="VMTHREAD" + type="u8" sizeop="sizeof(u8)"/> + + <!-- Java Thread ID --> + <primary_type symbol="JAVALANGTHREAD" datatype="LONG" + contenttype="JAVALANGTHREAD" type="s8" + sizeop="sizeof(s8)"/> + + <!-- Threadgroup THIS TYPE MAY NOT BE USED IN NORMAL EVENTS (ATM). Only + for thread constant pool // KK TODO: u8 should be ObjectP --> + <primary_type symbol="THREADGROUP" datatype="U4" contenttype="THREADGROUP" + type="u8" + sizeop="sizeof(u4)"/> + + <!-- FRAMETYPE enum --> + <primary_type symbol="FRAMETYPE" datatype="U1" contenttype="FRAMETYPE" + type="u1" sizeop="sizeof(u1)"/> + + <!-- THREADSTATE enum --> + <primary_type symbol="THREADSTATE" datatype="U2" contenttype="THREADSTATE" + type="u2" sizeop="sizeof(u2)"/> + + <!-- GCName --> + <primary_type symbol="GCNAME" datatype="U1" contenttype="GCNAME" + type="u1" sizeop="sizeof(u1)" /> + + <!-- GCCAUSE --> + <primary_type symbol="GCCAUSE" datatype="U2" contenttype="GCCAUSE" + type="u2" sizeop="sizeof(u2)" /> + + <!-- GCWHEN --> + <primary_type symbol="GCWHEN" datatype="U1" contenttype="GCWHEN" + type="u1" sizeop="sizeof(u1)" /> + + <!-- G1YCType --> + <primary_type symbol="G1YCTYPE" datatype="U1" contenttype="G1YCTYPE" + type="u1" sizeop="sizeof(u1)" /> + + <!-- REFERENCETYPE --> + <primary_type symbol="REFERENCETYPE" datatype="U1" + contenttype="REFERENCETYPE" type="u1" sizeop="sizeof(u1)" /> + + <!-- NARROWOOPMODE --> + <primary_type symbol="NARROWOOPMODE" datatype="U1" + contenttype="NARROWOOPMODE" type="u1" sizeop="sizeof(u1)" /> + + <!-- COMPILERPHASETYPE --> + <primary_type symbol="COMPILERPHASETYPE" datatype="U1" + contenttype="COMPILERPHASETYPE" type="u1" sizeop="sizeof(u1)" /> + + <!-- VMOPERATIONTYPE --> + <primary_type symbol="VMOPERATIONTYPE" datatype="U2" contenttype="VMOPERATIONTYPE" + type="u2" sizeop="sizeof(u2)" /> + + </primary_types> +</types>
--- a/src/share/vm/trace/tracing.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/trace/tracing.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -25,6 +25,7 @@ #ifndef SHARE_VM_TRACE_TRACING_HPP #define SHARE_VM_TRACE_TRACING_HPP -#include "trace/traceMacros.hpp" +#include "tracefiles/traceEventClasses.hpp" +#include "tracefiles/traceEventIds.hpp" #endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/xinclude.mod Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,61 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. + +--> + +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. + +--> +<!ELEMENT xi:include (xi:fallback?) > +<!ATTLIST xi:include + xmlns:xi CDATA #FIXED "http://www.w3.org/2001/XInclude" + href CDATA #IMPLIED + parse (xml|text) "xml" + xpointer CDATA #IMPLIED + encoding CDATA #IMPLIED + accept CDATA #IMPLIED + accept-language CDATA #IMPLIED > + +<!ELEMENT xi:fallback ANY> +<!ATTLIST xi:fallback + xmlns:xi CDATA #FIXED "http://www.w3.org/2001/XInclude" >
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/trace/xsl_util.xsl Thu Jan 17 03:37:13 2013 -0800 @@ -0,0 +1,78 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- + Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + + This code is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License version 2 only, as + published by the Free Software Foundation. + + This code is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + version 2 for more details (a copy is included in the LICENSE file that + accompanied this code). + + You should have received a copy of the GNU General Public License version + 2 along with this work; if not, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + + Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + or visit www.oracle.com if you need additional information or have any + questions. +--> + +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> + +<!-- utilities used when generating code --> + +<xsl:variable name="newline"> + <xsl:text>
</xsl:text> +</xsl:variable> + +<xsl:variable name="indent1"> + <xsl:text>
 </xsl:text> +</xsl:variable> + +<xsl:variable name="indent2"> + <xsl:text>
 </xsl:text> +</xsl:variable> + +<xsl:variable name="indent3"> + <xsl:text>
 </xsl:text> +</xsl:variable> + +<xsl:variable name="indent4"> + <xsl:text>
 </xsl:text> +</xsl:variable> + +<xsl:variable name="quote"> + <xsl:text>"</xsl:text> +</xsl:variable> + +<xsl:template name="file-header"> + <xsl:text>/* AUTOMATICALLY GENERATED FILE - DO NOT EDIT */</xsl:text> +</xsl:template> + +<xsl:template name="string-replace-all"> + <xsl:param name="text" /> + <xsl:param name="replace" /> + <xsl:param name="by" /> + <xsl:choose> + <xsl:when test="contains($text, $replace)"> + <xsl:value-of select="substring-before($text,$replace)" /> + <xsl:value-of select="$by" /> + <xsl:call-template name="string-replace-all"> + <xsl:with-param name="text" select="substring-after($text,$replace)" /> + <xsl:with-param name="replace" select="$replace" /> + <xsl:with-param name="by" select="$by" /> + </xsl:call-template> + </xsl:when> + <xsl:otherwise> + <xsl:value-of select="$text" /> + </xsl:otherwise> + </xsl:choose> +</xsl:template> + + +</xsl:stylesheet>
--- a/src/share/vm/utilities/globalDefinitions.hpp Wed Jan 16 13:59:27 2013 -0800 +++ b/src/share/vm/utilities/globalDefinitions.hpp Thu Jan 17 03:37:13 2013 -0800 @@ -706,18 +706,6 @@ TosState as_TosState(BasicType type); -// ReferenceType is used to distinguish between java/lang/ref/Reference subclasses - -enum ReferenceType { - REF_NONE, // Regular class - REF_OTHER, // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below - REF_SOFT, // Subclass of java/lang/ref/SoftReference - REF_WEAK, // Subclass of java/lang/ref/WeakReference - REF_FINAL, // Subclass of java/lang/ref/FinalReference - REF_PHANTOM // Subclass of java/lang/ref/PhantomReference -}; - - // JavaThreadState keeps track of which part of the code a thread is executing in. This // information is needed by the safepoint code. //