Mercurial > hg > icedtea7-forest-aarch64 > hotspot
changeset 5997:9b04c0f54507
Merge
| author | asaha |
|---|---|
| date | Wed, 10 Sep 2014 15:38:47 -0700 |
| parents | 8650025672d3 (diff) b6162d8973c3 (current diff) |
| children | 436c55e3e3bf |
| files | .hgtags |
| diffstat | 51 files changed, 2448 insertions(+), 410 deletions(-) [+] |
line wrap: on
line diff
--- a/.hgtags Mon Sep 08 12:36:58 2014 -0700 +++ b/.hgtags Wed Sep 10 15:38:47 2014 -0700 @@ -733,3 +733,13 @@ c17a8487086433e14cd22373039a8b6b48e7cbb8 jdk7u72-b11 a9e695f0d831f115720a4dcad3d33e0003b0acad jdk7u72-b12 ac701f87d1ea46033c69f3e1cb84fc0a971da70c jdk7u72-b13 +b92f390febd01615af4a736b4f830f6052aa1d09 hs24.80-b00 +1448ebfef4f1aae0174eca983ad05507730ca6fd hs24.80-b01 +b1d29549dca7e36a4d050af5a54f8f56963a5c7d hs24.80-b02 +ff18bcebe2943527cdbc094375c38c27ec7f2442 hs24.80-b03 +1b9722b5134a8e565d8b8fe851849e034beff057 hs24.80-b04 +04d6919c44db8c9d811ef0ac4775a579f854cdfc hs24.80-b05 +ee18e60e7e8da9f1912895af353564de0330a2b1 hs24.80-b06 +05fe7a87d14908eb3f21a0d29fc72cee2f996b7f jdk7u80-b00 +e2533d62ca887078e4b952a75a75680cfb7894b9 jdk7u80-b01 +bad107a5d096b070355c5a2d80aa50bc5576144b jdk7u80-b02
--- a/make/hotspot_version Mon Sep 08 12:36:58 2014 -0700 +++ b/make/hotspot_version Wed Sep 10 15:38:47 2014 -0700 @@ -34,8 +34,8 @@ HOTSPOT_VM_COPYRIGHT=Copyright 2014 HS_MAJOR_VER=24 -HS_MINOR_VER=72 -HS_BUILD_NUMBER=04 +HS_MINOR_VER=80 +HS_BUILD_NUMBER=07 JDK_MAJOR_VER=1 JDK_MINOR_VER=7
--- a/make/jprt.properties Mon Sep 08 12:36:58 2014 -0700 +++ b/make/jprt.properties Wed Sep 10 15:38:47 2014 -0700 @@ -38,7 +38,7 @@ # This tells jprt what default release we want to build -jprt.hotspot.default.release=jdk7u40 +jprt.hotspot.default.release=jdk7u60 jprt.tools.default.release=${jprt.submit.option.release?${jprt.submit.option.release}:${jprt.hotspot.default.release}} @@ -54,97 +54,92 @@ # Define the Solaris platforms we want for the various releases jprt.my.solaris.sparc.jdk8=solaris_sparc_5.10 jprt.my.solaris.sparc.jdk7=solaris_sparc_5.10 -jprt.my.solaris.sparc.jdk7u40=${jprt.my.solaris.sparc.jdk7} +jprt.my.solaris.sparc.jdk7u60=${jprt.my.solaris.sparc.jdk7} jprt.my.solaris.sparc=${jprt.my.solaris.sparc.${jprt.tools.default.release}} jprt.my.solaris.sparcv9.jdk8=solaris_sparcv9_5.10 jprt.my.solaris.sparcv9.jdk7=solaris_sparcv9_5.10 -jprt.my.solaris.sparcv9.jdk7u40=${jprt.my.solaris.sparcv9.jdk7} +jprt.my.solaris.sparcv9.jdk7u60=${jprt.my.solaris.sparcv9.jdk7} jprt.my.solaris.sparcv9=${jprt.my.solaris.sparcv9.${jprt.tools.default.release}} jprt.my.solaris.i586.jdk8=solaris_i586_5.10 jprt.my.solaris.i586.jdk7=solaris_i586_5.10 -jprt.my.solaris.i586.jdk7u40=${jprt.my.solaris.i586.jdk7} +jprt.my.solaris.i586.jdk7u60=${jprt.my.solaris.i586.jdk7} jprt.my.solaris.i586=${jprt.my.solaris.i586.${jprt.tools.default.release}} jprt.my.solaris.x64.jdk8=solaris_x64_5.10 jprt.my.solaris.x64.jdk7=solaris_x64_5.10 -jprt.my.solaris.x64.jdk7u40=${jprt.my.solaris.x64.jdk7} +jprt.my.solaris.x64.jdk7u60=${jprt.my.solaris.x64.jdk7} jprt.my.solaris.x64=${jprt.my.solaris.x64.${jprt.tools.default.release}} jprt.my.linux.i586.jdk8=linux_i586_2.6 jprt.my.linux.i586.jdk7=linux_i586_2.6 -jprt.my.linux.i586.jdk7u40=${jprt.my.linux.i586.jdk7} +jprt.my.linux.i586.jdk7u60=${jprt.my.linux.i586.jdk7} jprt.my.linux.i586=${jprt.my.linux.i586.${jprt.tools.default.release}} jprt.my.linux.x64.jdk8=linux_x64_2.6 jprt.my.linux.x64.jdk7=linux_x64_2.6 -jprt.my.linux.x64.jdk7u40=${jprt.my.linux.x64.jdk7} +jprt.my.linux.x64.jdk7u60=${jprt.my.linux.x64.jdk7} jprt.my.linux.x64=${jprt.my.linux.x64.${jprt.tools.default.release}} jprt.my.linux.ppc.jdk8=linux_ppc_2.6 jprt.my.linux.ppc.jdk7=linux_ppc_2.6 -jprt.my.linux.ppc.jdk7u40=${jprt.my.linux.ppc.jdk7} +jprt.my.linux.ppc.jdk7u60=${jprt.my.linux.ppc.jdk7} jprt.my.linux.ppc=${jprt.my.linux.ppc.${jprt.tools.default.release}} jprt.my.linux.ppcv2.jdk8=linux_ppcv2_2.6 jprt.my.linux.ppcv2.jdk7=linux_ppcv2_2.6 -jprt.my.linux.ppcv2.jdk7u40=${jprt.my.linux.ppcv2.jdk7} +jprt.my.linux.ppcv2.jdk7u60=${jprt.my.linux.ppcv2.jdk7} jprt.my.linux.ppcv2=${jprt.my.linux.ppcv2.${jprt.tools.default.release}} -jprt.my.linux.ppcsflt.jdk8=linux_ppcsflt_2.6 -jprt.my.linux.ppcsflt.jdk7=linux_ppcsflt_2.6 -jprt.my.linux.ppcsflt.jdk7u40=${jprt.my.linux.ppcsflt.jdk7} -jprt.my.linux.ppcsflt=${jprt.my.linux.ppcsflt.${jprt.tools.default.release}} - jprt.my.linux.armvfp.jdk8=linux_armvfp_2.6 jprt.my.linux.armvfp.jdk7=linux_armvfp_2.6 -jprt.my.linux.armvfp.jdk7u40=${jprt.my.linux.armvfp.jdk7} +jprt.my.linux.armvfp.jdk7u60=${jprt.my.linux.armvfp.jdk7} jprt.my.linux.armvfp=${jprt.my.linux.armvfp.${jprt.tools.default.release}} jprt.my.linux.armvfpsflt.jdk8=linux_armvfpsflt_2.6 jprt.my.linux.armvfpsflt.jdk7=linux_armvfpsflt_2.6 -jprt.my.linux.armvfpsflt.jdk7u40=${jprt.my.linux.armvfpsflt.jdk7} +jprt.my.linux.armvfpsflt.jdk7u60=${jprt.my.linux.armvfpsflt.jdk7} jprt.my.linux.armvfpsflt=${jprt.my.linux.armvfpsflt.${jprt.tools.default.release}} jprt.my.linux.armvfphflt.jdk8=linux_armvfphflt_2.6 jprt.my.linux.armvfphflt.jdk7=linux_armvfphflt_2.6 -jprt.my.linux.armvfphflt.jdk7u40=${jprt.my.linux.armvfphflt.jdk7} +jprt.my.linux.armvfphflt.jdk7u60=${jprt.my.linux.armvfphflt.jdk7} jprt.my.linux.armvfphflt=${jprt.my.linux.armvfphflt.${jprt.tools.default.release}} jprt.my.linux.armv6.jdk8=linux_armv6_2.6 jprt.my.linux.armv6.jdk7=linux_armv6_2.6 -jprt.my.linux.armv6.jdk7u40=${jprt.my.linux.armv6.jdk7} +jprt.my.linux.armv6.jdk7u60=${jprt.my.linux.armv6.jdk7} jprt.my.linux.armv6=${jprt.my.linux.armv6.${jprt.tools.default.release}} jprt.my.linux.armvs.jdk8=linux_armvs_2.6 jprt.my.linux.armvs.jdk7=linux_armvs_2.6 -jprt.my.linux.armvs.jdk7u40=${jprt.my.linux.armvs.jdk7} +jprt.my.linux.armvs.jdk7u60=${jprt.my.linux.armvs.jdk7} jprt.my.linux.armvs=${jprt.my.linux.armvs.${jprt.tools.default.release}} jprt.my.linux.armvh.jdk8=linux_armvh_2.6 jprt.my.linux.armvh.jdk7=linux_armvh_2.6 -jprt.my.linux.armvh.jdk7u40=${jprt.my.linux.armvh.jdk7} +jprt.my.linux.armvh.jdk7u60=${jprt.my.linux.armvh.jdk7} jprt.my.linux.armvh=${jprt.my.linux.armvh.${jprt.tools.default.release}} jprt.my.linux.armsflt.jdk8=linux_armsflt_2.6 jprt.my.linux.armsflt.jdk7=linux_armsflt_2.6 -jprt.my.linux.armsflt.jdk7u40=${jprt.my.linux.armsflt.jdk7} +jprt.my.linux.armsflt.jdk7u60=${jprt.my.linux.armsflt.jdk7} jprt.my.linux.armsflt=${jprt.my.linux.armsflt.${jprt.tools.default.release}} jprt.my.macosx.x64.jdk8=macosx_x64_10.7 jprt.my.macosx.x64.jdk7=macosx_x64_10.7 -jprt.my.macosx.x64.jdk7u40=${jprt.my.macosx.x64.jdk7} +jprt.my.macosx.x64.jdk7u60=${jprt.my.macosx.x64.jdk7} jprt.my.macosx.x64=${jprt.my.macosx.x64.${jprt.tools.default.release}} jprt.my.windows.i586.jdk8=windows_i586_5.1 jprt.my.windows.i586.jdk7=windows_i586_5.1 -jprt.my.windows.i586.jdk7u40=${jprt.my.windows.i586.jdk7} +jprt.my.windows.i586.jdk7u60=${jprt.my.windows.i586.jdk7} jprt.my.windows.i586=${jprt.my.windows.i586.${jprt.tools.default.release}} jprt.my.windows.x64.jdk8=windows_x64_5.2 jprt.my.windows.x64.jdk7=windows_x64_5.2 -jprt.my.windows.x64.jdk7u40=${jprt.my.windows.x64.jdk7} +jprt.my.windows.x64.jdk7u60=${jprt.my.windows.x64.jdk7} jprt.my.windows.x64=${jprt.my.windows.x64.${jprt.tools.default.release}} # Standard list of jprt build targets for this source tree @@ -172,7 +167,6 @@ ${jprt.my.linux.i586}-{productEmb|fastdebugEmb|debugEmb}, \ ${jprt.my.linux.ppc}-{productEmb|fastdebugEmb}, \ ${jprt.my.linux.ppcv2}-{productEmb|fastdebugEmb}, \ - ${jprt.my.linux.ppcsflt}-{productEmb|fastdebugEmb}, \ ${jprt.my.linux.armvfp}-{productEmb|fastdebugEmb}, \ ${jprt.my.linux.armsflt}-{productEmb|fastdebugEmb}, \ ${jprt.my.linux.armvfpsflt}-{productEmb|fastdebugEmb}, \ @@ -183,7 +177,7 @@ jprt.build.targets.jdk8=${jprt.build.targets.all} jprt.build.targets.jdk7=${jprt.build.targets.all} -jprt.build.targets.jdk7u40=${jprt.build.targets.all} +jprt.build.targets.jdk7u60=${jprt.build.targets.all} jprt.build.targets=${jprt.build.targets.${jprt.tools.default.release}} # Subset lists of test targets for this source tree @@ -476,7 +470,7 @@ jprt.test.targets.jdk8=${jprt.test.targets.standard} jprt.test.targets.jdk7=${jprt.test.targets.standard} -jprt.test.targets.jdk7u40=${jprt.test.targets.jdk7} +jprt.test.targets.jdk7u60=${jprt.test.targets.jdk7} jprt.test.targets=${jprt.test.targets.${jprt.tools.default.release}} # The default test/Makefile targets that should be run @@ -536,7 +530,7 @@ jprt.make.rule.test.targets.jdk8=${jprt.make.rule.test.targets.standard} jprt.make.rule.test.targets.jdk7=${jprt.make.rule.test.targets.standard} -jprt.make.rule.test.targets.jdk7u40=${jprt.make.rule.test.targets.jdk7} +jprt.make.rule.test.targets.jdk7u60=${jprt.make.rule.test.targets.jdk7} jprt.make.rule.test.targets=${jprt.make.rule.test.targets.${jprt.tools.default.release}} # 7155453: Work-around to prevent popups on OSX from blocking test completion
--- a/src/cpu/x86/vm/assembler_x86.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/cpu/x86/vm/assembler_x86.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -7641,10 +7641,12 @@ // if fast computation is not possible, result is NaN. Requires // fallback from user of this macro. // increase precision for intermediate steps of the computation + BLOCK_COMMENT("fast_pow {"); increase_precision(); fyl2x(); // Stack: (Y*log2(X)) ... pow_exp_core_encoding(); // Stack: exp(X) ... restore_precision(); + BLOCK_COMMENT("} fast_pow"); } void MacroAssembler::fast_exp() {
--- a/src/os/bsd/vm/os_bsd.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/os/bsd/vm/os_bsd.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -4433,11 +4433,15 @@ // and if UserSignalHandler is installed all bets are off if (CheckJNICalls) { if (libjsig_is_loaded) { - tty->print_cr("Info: libjsig is activated, all active signal checking is disabled"); + if (PrintJNIResolving) { + tty->print_cr("Info: libjsig is activated, all active signal checking is disabled"); + } check_signals = false; } if (AllowUserSignalHandlers) { - tty->print_cr("Info: AllowUserSignalHandlers is activated, all active signal checking is disabled"); + if (PrintJNIResolving) { + tty->print_cr("Info: AllowUserSignalHandlers is activated, all active signal checking is disabled"); + } check_signals = false; } }
--- a/src/share/vm/ci/bcEscapeAnalyzer.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/ci/bcEscapeAnalyzer.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -158,6 +158,9 @@ void BCEscapeAnalyzer::set_method_escape(ArgumentMap vars) { clear_bits(vars, _arg_local); + if (vars.contains_allocated()) { + _allocated_escapes = true; + } } void BCEscapeAnalyzer::set_global_escape(ArgumentMap vars, bool merge) {
--- a/src/share/vm/classfile/classFileParser.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/classfile/classFileParser.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -2676,7 +2676,7 @@ ClassFileStream* cfs = stream(); u1* current_start = cfs->current(); - guarantee_property(attribute_byte_length > sizeof(u2), + guarantee_property(attribute_byte_length >= sizeof(u2), "Invalid BootstrapMethods attribute length %u in class file %s", attribute_byte_length, CHECK);
--- a/src/share/vm/classfile/stackMapFrame.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/classfile/stackMapFrame.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2014, 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 @@ -54,15 +54,19 @@ return frame; } -bool StackMapFrame::has_new_object() const { +// Return true if frame has an uninitialized (new) object that differs +// from the target frame's object. +bool StackMapFrame::has_nonmatching_new_object(const StackMapFrame *target_frame) const { int32_t i; for (i = 0; i < _max_locals; i++) { - if (_locals[i].is_uninitialized()) { + if (_locals[i].is_uninitialized() && + !_locals[i].equals(target_frame->_locals[i])) { return true; } } for (i = 0; i < _stack_size; i++) { - if (_stack[i].is_uninitialized()) { + if (_stack[i].is_uninitialized() && + !_stack[i].equals(target_frame->_stack[i])) { return true; } }
--- a/src/share/vm/classfile/stackMapFrame.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/classfile/stackMapFrame.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2014, 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 @@ -155,8 +155,9 @@ const methodHandle m, VerificationType thisKlass, TRAPS); // Search local variable type array and stack type array. - // Return true if an uninitialized object is found. - bool has_new_object() const; + // Return true if an uninitialized object is found that is + // not equal to the corresponding object on the target frame. + bool has_nonmatching_new_object(const StackMapFrame *target_frame) const; // Search local variable type array and stack type array. // Set every element with type of old_object to new_object.
--- a/src/share/vm/classfile/stackMapTable.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/classfile/stackMapTable.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -138,7 +138,10 @@ void StackMapTable::check_new_object( const StackMapFrame* frame, int32_t target, TRAPS) const { - if (frame->offset() > target && frame->has_new_object()) { + int frame_index = get_index_from_offset(target); + assert(frame_index >= 0 && frame_index < _frame_count, "bad frame index"); + if (frame->offset() > target && + frame->has_nonmatching_new_object(_frame_array[frame_index])) { frame->verifier()->verify_error( ErrorContext::bad_code(frame->offset()), "Uninitialized object exists on backward branch %d", target);
--- a/src/share/vm/gc_implementation/g1/g1AllocRegion.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1AllocRegion.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -172,7 +172,7 @@ // Should be called when we want to release the active region which // is returned after it's been retired. - HeapRegion* release(); + virtual HeapRegion* release(); #if G1_ALLOC_REGION_TRACING void trace(const char* str, size_t word_size = 0, HeapWord* result = NULL);
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2014, 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 @@ -1519,7 +1519,7 @@ } if (G1Log::finer()) { - g1_policy()->print_detailed_heap_transition(); + g1_policy()->print_detailed_heap_transition(true /* full */); } print_heap_after_gc(); @@ -6628,6 +6628,35 @@ _g1h->retire_gc_alloc_region(alloc_region, allocated_bytes, GCAllocForTenured); } + +HeapRegion* OldGCAllocRegion::release() { + HeapRegion* cur = get(); + if (cur != NULL) { + // Determine how far we are from the next card boundary. If it is smaller than + // the minimum object size we can allocate into, expand into the next card. + HeapWord* top = cur->top(); + HeapWord* aligned_top = (HeapWord*)align_ptr_up(top, G1BlockOffsetSharedArray::N_bytes); + + size_t to_allocate_words = pointer_delta(aligned_top, top, HeapWordSize); + + if (to_allocate_words != 0) { + // We are not at a card boundary. Fill up, possibly into the next, taking the + // end of the region and the minimum object size into account. + to_allocate_words = MIN2(pointer_delta(cur->end(), cur->top(), HeapWordSize), + MAX2(to_allocate_words, G1CollectedHeap::min_fill_size())); + + // Skip allocation if there is not enough space to allocate even the smallest + // possible object. In this case this region will not be retained, so the + // original problem cannot occur. + if (to_allocate_words >= G1CollectedHeap::min_fill_size()) { + HeapWord* dummy = attempt_allocation(to_allocate_words, true /* bot_updates */); + CollectedHeap::fill_with_object(dummy, to_allocate_words); + } + } + } + return G1AllocRegion::release(); +} + // Heap region set verification class VerifyRegionListsClosure : public HeapRegionClosure {
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -183,6 +183,13 @@ public: OldGCAllocRegion() : G1AllocRegion("Old GC Alloc Region", true /* bot_updates */) { } + + // This specialization of release() makes sure that the last card that has been + // allocated into has been completely filled by a dummy object. + // This avoids races when remembered set scanning wants to update the BOT of the + // last card in the retained old gc alloc region, and allocation threads + // allocating into that card at the same time. + virtual HeapRegion* release(); }; // The G1 STW is alive closure.
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2014, 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 @@ -124,9 +124,12 @@ _last_young_gc(false), _last_gc_was_young(false), - _eden_bytes_before_gc(0), - _survivor_bytes_before_gc(0), - _capacity_before_gc(0), + _eden_used_bytes_before_gc(0), + _survivor_used_bytes_before_gc(0), + _heap_used_bytes_before_gc(0), + _permgen_used_bytes_before_gc(0), + _eden_capacity_bytes_before_gc(0), + _heap_capacity_bytes_before_gc(0), _eden_cset_region_length(0), _survivor_cset_region_length(0), @@ -747,7 +750,7 @@ void G1CollectorPolicy::record_full_collection_start() { _full_collection_start_sec = os::elapsedTime(); - record_heap_size_info_at_start(); + record_heap_size_info_at_start(true /* full */); // Release the future to-space so that it is available for compaction into. _g1->set_full_collection(); } @@ -804,7 +807,7 @@ _trace_gen0_time_data.record_start_collection(s_w_t_ms); _stop_world_start = 0.0; - record_heap_size_info_at_start(); + record_heap_size_info_at_start(false /* full */); phase_times()->record_cur_collection_start_sec(start_time_sec); _pending_cards = _g1->pending_card_num(); @@ -939,14 +942,6 @@ _mmu_tracker->add_pause(end_time_sec - pause_time_ms/1000.0, end_time_sec, false); - size_t freed_bytes = - _cur_collection_pause_used_at_start_bytes - cur_used_bytes; - size_t surviving_bytes = _collection_set_bytes_used_before - freed_bytes; - - double survival_fraction = - (double)surviving_bytes/ - (double)_collection_set_bytes_used_before; - evacuation_info.set_collectionset_used_before(_collection_set_bytes_used_before); evacuation_info.set_bytes_copied(_bytes_copied_during_gc); @@ -1002,6 +997,7 @@ } } } + bool new_in_marking_window = _in_marking_window; bool new_in_marking_window_im = false; if (during_initial_mark_pause()) { @@ -1087,8 +1083,10 @@ } _rs_length_diff_seq->add((double) rs_length_diff); - size_t copied_bytes = surviving_bytes; + size_t freed_bytes = _heap_used_bytes_before_gc - cur_used_bytes; + size_t copied_bytes = _collection_set_bytes_used_before - freed_bytes; double cost_per_byte_ms = 0.0; + if (copied_bytes > 0) { cost_per_byte_ms = phase_times()->average_last_obj_copy_time() / (double) copied_bytes; if (_in_marking_window) { @@ -1152,51 +1150,66 @@ byte_size_in_proper_unit((double)(bytes)), \ proper_unit_for_byte_size((bytes)) -void G1CollectorPolicy::record_heap_size_info_at_start() { +void G1CollectorPolicy::record_heap_size_info_at_start(bool full) { YoungList* young_list = _g1->young_list(); - _eden_bytes_before_gc = young_list->eden_used_bytes(); - _survivor_bytes_before_gc = young_list->survivor_used_bytes(); - _capacity_before_gc = _g1->capacity(); - - _cur_collection_pause_used_at_start_bytes = _g1->used(); + _eden_used_bytes_before_gc = young_list->eden_used_bytes(); + _survivor_used_bytes_before_gc = young_list->survivor_used_bytes(); + _heap_capacity_bytes_before_gc = _g1->capacity(); + _heap_used_bytes_before_gc = _g1->used(); _cur_collection_pause_used_regions_at_start = _g1->used_regions(); - size_t eden_capacity_before_gc = - (_young_list_target_length * HeapRegion::GrainBytes) - _survivor_bytes_before_gc; + _eden_capacity_bytes_before_gc = + (_young_list_target_length * HeapRegion::GrainBytes) - _survivor_used_bytes_before_gc; - _prev_eden_capacity = eden_capacity_before_gc; + if (full) { + _permgen_used_bytes_before_gc = _g1->perm_gen()->used(); + } +} +void G1CollectorPolicy::print_perm_heap_change(size_t perm_prev_used) const { + gclog_or_tty->print(", [%s:", _g1->perm_gen()->short_name()); + _g1->perm_gen()->print_heap_change(perm_prev_used); + gclog_or_tty->print("]"); } void G1CollectorPolicy::print_heap_transition() { _g1->print_size_transition(gclog_or_tty, - _cur_collection_pause_used_at_start_bytes, _g1->used(), _g1->capacity()); + _heap_used_bytes_before_gc, + _g1->used(), + _g1->capacity()); } -void G1CollectorPolicy::print_detailed_heap_transition() { - YoungList* young_list = _g1->young_list(); - size_t eden_bytes = young_list->eden_used_bytes(); - size_t survivor_bytes = young_list->survivor_used_bytes(); - size_t used_before_gc = _cur_collection_pause_used_at_start_bytes; - size_t used = _g1->used(); - size_t capacity = _g1->capacity(); - size_t eden_capacity = - (_young_list_target_length * HeapRegion::GrainBytes) - survivor_bytes; +void G1CollectorPolicy::print_detailed_heap_transition(bool full) { + YoungList* young_list = _g1->young_list(); + + size_t eden_used_bytes_after_gc = young_list->eden_used_bytes(); + size_t survivor_used_bytes_after_gc = young_list->survivor_used_bytes(); + size_t heap_used_bytes_after_gc = _g1->used(); + + size_t heap_capacity_bytes_after_gc = _g1->capacity(); + size_t eden_capacity_bytes_after_gc = + (_young_list_target_length * HeapRegion::GrainBytes) - survivor_used_bytes_after_gc; - gclog_or_tty->print_cr( - " [Eden: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT") " - "Survivors: "EXT_SIZE_FORMAT"->"EXT_SIZE_FORMAT" " - "Heap: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->" - EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")]", - EXT_SIZE_PARAMS(_eden_bytes_before_gc), - EXT_SIZE_PARAMS(_prev_eden_capacity), - EXT_SIZE_PARAMS(eden_bytes), - EXT_SIZE_PARAMS(eden_capacity), - EXT_SIZE_PARAMS(_survivor_bytes_before_gc), - EXT_SIZE_PARAMS(survivor_bytes), - EXT_SIZE_PARAMS(used_before_gc), - EXT_SIZE_PARAMS(_capacity_before_gc), - EXT_SIZE_PARAMS(used), - EXT_SIZE_PARAMS(capacity)); + gclog_or_tty->print( + " [Eden: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->"EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT") " + "Survivors: "EXT_SIZE_FORMAT"->"EXT_SIZE_FORMAT" " + "Heap: "EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")->" + EXT_SIZE_FORMAT"("EXT_SIZE_FORMAT")]", + EXT_SIZE_PARAMS(_eden_used_bytes_before_gc), + EXT_SIZE_PARAMS(_eden_capacity_bytes_before_gc), + EXT_SIZE_PARAMS(eden_used_bytes_after_gc), + EXT_SIZE_PARAMS(eden_capacity_bytes_after_gc), + EXT_SIZE_PARAMS(_survivor_used_bytes_before_gc), + EXT_SIZE_PARAMS(survivor_used_bytes_after_gc), + EXT_SIZE_PARAMS(_heap_used_bytes_before_gc), + EXT_SIZE_PARAMS(_heap_capacity_bytes_before_gc), + EXT_SIZE_PARAMS(heap_used_bytes_after_gc), + EXT_SIZE_PARAMS(heap_capacity_bytes_after_gc)); + + if (full) { + print_perm_heap_change(_permgen_used_bytes_before_gc); + } + + gclog_or_tty->cr(); } void G1CollectorPolicy::adjust_concurrent_refinement(double update_rs_time,
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2014, 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 @@ -176,7 +176,6 @@ CollectionSetChooser* _collectionSetChooser; double _full_collection_start_sec; - size_t _cur_collection_pause_used_at_start_bytes; uint _cur_collection_pause_used_regions_at_start; // These exclude marking times. @@ -195,7 +194,6 @@ uint _young_list_target_length; uint _young_list_fixed_length; - size_t _prev_eden_capacity; // used for logging // The max number of regions we can extend the eden by while the GC // locker is active. This should be >= _young_list_target_length; @@ -694,11 +692,12 @@ // Records the information about the heap size for reporting in // print_detailed_heap_transition - void record_heap_size_info_at_start(); + void record_heap_size_info_at_start(bool full); // Print heap sizing transition (with less and more detail). void print_heap_transition(); - void print_detailed_heap_transition(); + void print_detailed_heap_transition(bool full = false); + void print_perm_heap_change(size_t perm_prev_used) const; void record_stop_world_start(); void record_concurrent_pause(); @@ -862,9 +861,16 @@ uint _max_survivor_regions; // For reporting purposes. - size_t _eden_bytes_before_gc; - size_t _survivor_bytes_before_gc; - size_t _capacity_before_gc; + // The value of _heap_bytes_before_gc is also used to calculate + // the cost of copying. + + size_t _eden_used_bytes_before_gc; // Eden occupancy before GC + size_t _survivor_used_bytes_before_gc; // Survivor occupancy before GC + size_t _heap_used_bytes_before_gc; // Heap occupancy before GC + size_t _permgen_used_bytes_before_gc; // PermGen occupancy before GC + + size_t _eden_capacity_bytes_before_gc; // Eden capacity before GC + size_t _heap_capacity_bytes_before_gc; // Heap capacity before GC // The amount of survor regions after a collection. uint _recorded_survivor_regions;
--- a/src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -107,7 +107,15 @@ jbyte *const first = byte_for(mr.start()); jbyte *const last = byte_after(mr.last()); - memset(first, g1_young_gen, last - first); + // Below we may use an explicit loop instead of memset() because on + // certain platforms memset() can give concurrent readers phantom zeros. + if (UseMemSetInBOT) { + memset(first, g1_young_gen, last - first); + } else { + for (jbyte* i = first; i < last; i++) { + *i = g1_young_gen; + } + } } #ifndef PRODUCT
--- a/src/share/vm/oops/objArrayOop.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/oops/objArrayOop.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -45,9 +45,10 @@ private: // Give size of objArrayOop in HeapWords minus the header static int array_size(int length) { - const int OopsPerHeapWord = HeapWordSize/heapOopSize; + const uint OopsPerHeapWord = HeapWordSize/heapOopSize; assert(OopsPerHeapWord >= 1 && (HeapWordSize % heapOopSize == 0), "Else the following (new) computation would be in error"); + uint res = ((uint)length + OopsPerHeapWord - 1)/OopsPerHeapWord; #ifdef ASSERT // The old code is left in for sanity-checking; it'll // go away pretty soon. XXX @@ -55,16 +56,15 @@ // oop->length() * HeapWordsPerOop; // With narrowOops, HeapWordsPerOop is 1/2 or equal 0 as an integer. // The oop elements are aligned up to wordSize - const int HeapWordsPerOop = heapOopSize/HeapWordSize; - int old_res; + const uint HeapWordsPerOop = heapOopSize/HeapWordSize; + uint old_res; if (HeapWordsPerOop > 0) { old_res = length * HeapWordsPerOop; } else { - old_res = align_size_up(length, OopsPerHeapWord)/OopsPerHeapWord; + old_res = align_size_up((uint)length, OopsPerHeapWord)/OopsPerHeapWord; } + assert(res == old_res, "Inconsistency between old and new."); #endif // ASSERT - int res = ((uint)length + OopsPerHeapWord - 1)/OopsPerHeapWord; - assert(res == old_res, "Inconsistency between old and new."); return res; }
--- a/src/share/vm/opto/ifnode.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/ifnode.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2014, 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 @@ -503,7 +503,7 @@ jint off = 0; if (l->is_top()) { return 0; - } else if (l->is_Add()) { + } else if (l->Opcode() == Op_AddI) { if ((off = l->in(1)->find_int_con(0)) != 0) { ind = l->in(2); } else if ((off = l->in(2)->find_int_con(0)) != 0) {
--- a/src/share/vm/opto/library_call.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/library_call.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -201,7 +201,7 @@ bool inline_math(vmIntrinsics::ID id); bool inline_exp(); bool inline_pow(); - void finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName); + Node* finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName); bool inline_min_max(vmIntrinsics::ID id); Node* generate_min_max(vmIntrinsics::ID id, Node* x, Node* y); // This returns Type::AnyPtr, RawPtr, or OopPtr. @@ -1580,7 +1580,7 @@ return true; } -void LibraryCallKit::finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName) { +Node* LibraryCallKit::finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName) { //------------------- //result=(result.isNaN())? funcAddr():result; // Check: If isNaN() by checking result!=result? then either trap @@ -1596,7 +1596,7 @@ uncommon_trap(Deoptimization::Reason_intrinsic, Deoptimization::Action_make_not_entrant); } - set_result(result); + return result; } else { // If this inlining ever returned NaN in the past, we compile a call // to the runtime to properly handle corner cases @@ -1626,9 +1626,10 @@ result_region->init_req(2, control()); result_val->init_req(2, value); - set_result(result_region, result_val); + set_control(_gvn.transform(result_region)); + return _gvn.transform(result_val); } else { - set_result(result); + return result; } } } @@ -1640,7 +1641,8 @@ Node* arg = round_double_node(argument(0)); Node* n = _gvn.transform(new (C) ExpDNode(C, control(), arg)); - finish_pow_exp(n, arg, NULL, OptoRuntime::Math_D_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dexp), "EXP"); + n = finish_pow_exp(n, arg, NULL, OptoRuntime::Math_D_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dexp), "EXP"); + set_result(n); C->set_has_split_ifs(true); // Has chance for split-if optimization return true; @@ -1650,27 +1652,48 @@ // Inline power instructions, if possible. bool LibraryCallKit::inline_pow() { // Pseudocode for pow - // if (x <= 0.0) { - // long longy = (long)y; - // if ((double)longy == y) { // if y is long - // if (y + 1 == y) longy = 0; // huge number: even - // result = ((1&longy) == 0)?-DPow(abs(x), y):DPow(abs(x), y); + // if (y == 2) { + // return x * x; + // } else { + // if (x <= 0.0) { + // long longy = (long)y; + // if ((double)longy == y) { // if y is long + // if (y + 1 == y) longy = 0; // huge number: even + // result = ((1&longy) == 0)?-DPow(abs(x), y):DPow(abs(x), y); + // } else { + // result = NaN; + // } // } else { - // result = NaN; + // result = DPow(x,y); // } - // } else { - // result = DPow(x,y); + // if (result != result)? { + // result = uncommon_trap() or runtime_call(); + // } + // return result; // } - // if (result != result)? { - // result = uncommon_trap() or runtime_call(); - // } - // return result; Node* x = round_double_node(argument(0)); Node* y = round_double_node(argument(2)); Node* result = NULL; + Node* const_two_node = makecon(TypeD::make(2.0)); + Node* cmp_node = _gvn.transform(new (C) CmpDNode(y, const_two_node)); + Node* bool_node = _gvn.transform(new (C) BoolNode(cmp_node, BoolTest::eq)); + IfNode* if_node = create_and_xform_if(control(), bool_node, PROB_STATIC_INFREQUENT, COUNT_UNKNOWN); + Node* if_true = _gvn.transform(new (C) IfTrueNode(if_node)); + Node* if_false = _gvn.transform(new (C) IfFalseNode(if_node)); + + RegionNode* region_node = new (C) RegionNode(3); + region_node->init_req(1, if_true); + + Node* phi_node = new (C) PhiNode(region_node, Type::DOUBLE); + // special case for x^y where y == 2, we can convert it to x * x + phi_node->init_req(1, _gvn.transform(new (C) MulDNode(x, x))); + + // set control to if_false since we will now process the false branch + set_control(if_false); + if (!too_many_traps(Deoptimization::Reason_intrinsic)) { // Short form: skip the fancy tests and just check for NaN result. result = _gvn.transform(new (C) PowDNode(C, control(), x, y)); @@ -1794,7 +1817,15 @@ result = _gvn.transform(phi); } - finish_pow_exp(result, x, y, OptoRuntime::Math_DD_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dpow), "POW"); + result = finish_pow_exp(result, x, y, OptoRuntime::Math_DD_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dpow), "POW"); + + // control from finish_pow_exp is now input to the region node + region_node->set_req(2, control()); + // the result from finish_pow_exp is now input to the phi node + phi_node->init_req(2, result); + set_control(_gvn.transform(region_node)); + record_for_igvn(region_node); + set_result(_gvn.transform(phi_node)); C->set_has_split_ifs(true); // Has chance for split-if optimization return true;
--- a/src/share/vm/opto/loopopts.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/loopopts.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -2754,11 +2754,11 @@ // Hit! Refactor use to use the post-incremented tripcounter. // Compute a post-increment tripcounter. Node *opaq = new (C) Opaque2Node( C, cle->incr() ); - register_new_node( opaq, u_ctrl ); + register_new_node(opaq, exit); Node *neg_stride = _igvn.intcon(-cle->stride_con()); set_ctrl(neg_stride, C->root()); Node *post = new (C) AddINode( opaq, neg_stride); - register_new_node( post, u_ctrl ); + register_new_node(post, exit); _igvn.rehash_node_delayed(use); for (uint j = 1; j < use->req(); j++) { if (use->in(j) == phi)
--- a/src/share/vm/opto/runtime.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/runtime.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1307,6 +1307,7 @@ // add counters so this is safe. NamedCounter* head; do { + c->set_next(NULL); head = _named_counters; c->set_next(head); } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head);
--- a/src/share/vm/opto/runtime.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/runtime.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -85,7 +85,7 @@ NamedCounter* next() const { return _next; } void set_next(NamedCounter* next) { - assert(_next == NULL, "already set"); + assert(_next == NULL || next == NULL, "already set"); _next = next; }
--- a/src/share/vm/opto/superword.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/opto/superword.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1262,8 +1262,9 @@ memops.clear(); for (DUIterator i = upper_insert_pt->outs(); upper_insert_pt->has_out(i); i++) { Node* use = upper_insert_pt->out(i); - if (!use->is_Store()) + if (use->is_Mem() && !use->is_Store()) { memops.push(use); + } } MemNode* lower_insert_pt = last;
--- a/src/share/vm/prims/jni.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/prims/jni.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * @@ -5037,6 +5037,7 @@ #include "gc_implementation/shared/gcTimer.hpp" #include "gc_interface/collectedHeap.hpp" #include "utilities/quickSort.hpp" +#include "utilities/ostream.hpp" #define run_unit_test(unit_test_function_call) \ tty->print_cr("Running test: " #unit_test_function_call); \ @@ -5058,6 +5059,7 @@ run_unit_test(QuickSort::test_quick_sort()); run_unit_test(AltHashing::test_alt_hash()); run_unit_test(TestOldFreeSpaceCalculation_test()); + run_unit_test(test_loggc_filename()); tty->print_cr("All internal VM tests passed"); } }
--- a/src/share/vm/prims/jvm.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/prims/jvm.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -527,6 +527,12 @@ JavaThreadInObjectWaitState jtiows(thread, ms != 0); if (JvmtiExport::should_post_monitor_wait()) { JvmtiExport::post_monitor_wait((JavaThread *)THREAD, (oop)obj(), ms); + + // The current thread already owns the monitor and it has not yet + // been added to the wait queue so the current thread cannot be + // made the successor. This means that the JVMTI_EVENT_MONITOR_WAIT + // event handler cannot accidentally consume an unpark() meant for + // the ParkEvent associated with this ObjectMonitor. } ObjectSynchronizer::wait(obj, ms, THREAD); JVM_END
--- a/src/share/vm/prims/jvmtiEnvBase.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/prims/jvmtiEnvBase.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -400,7 +400,11 @@ VMOp_Type type() const { return VMOp_GetCurrentContendedMonitor; } jvmtiError result() { return _result; } void doit() { - _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,_java_thread,_owned_monitor_ptr); + _result = JVMTI_ERROR_THREAD_NOT_ALIVE; + if (Threads::includes(_java_thread) && !_java_thread->is_exiting() && + _java_thread->threadObj() != NULL) { + _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,_java_thread,_owned_monitor_ptr); + } } };
--- a/src/share/vm/runtime/arguments.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/arguments.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -1758,24 +1758,22 @@ // check if do gclog rotation // +UseGCLogFileRotation is a must, // no gc log rotation when log file not supplied or -// NumberOfGCLogFiles is 0, or GCLogFileSize is 0 +// NumberOfGCLogFiles is 0 void check_gclog_consistency() { if (UseGCLogFileRotation) { - if ((Arguments::gc_log_filename() == NULL) || - (NumberOfGCLogFiles == 0) || - (GCLogFileSize == 0)) { + if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { jio_fprintf(defaultStream::output_stream(), - "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>\n" - "where num_of_file > 0 and num_of_size > 0\n" + "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" + "where num_of_file > 0\n" "GC log rotation is turned off\n"); UseGCLogFileRotation = false; } } - if (UseGCLogFileRotation && GCLogFileSize < 8*K) { - FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); - jio_fprintf(defaultStream::output_stream(), - "GCLogFileSize changed to minimum 8K\n"); + if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { + FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); + jio_fprintf(defaultStream::output_stream(), + "GCLogFileSize changed to minimum 8K\n"); } } @@ -1807,6 +1805,51 @@ return true; } +// This function is called for -Xloggc:<filename>, it can be used +// to check if a given file name(or string) conforms to the following +// specification: +// A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" +// %p and %t only allowed once. We only limit usage of filename not path +bool is_filename_valid(const char *file_name) { + const char* p = file_name; + char file_sep = os::file_separator()[0]; + const char* cp; + // skip prefix path + for (cp = file_name; *cp != '\0'; cp++) { + if (*cp == '/' || *cp == file_sep) { + p = cp + 1; + } + } + + int count_p = 0; + int count_t = 0; + while (*p != '\0') { + if ((*p >= '0' && *p <= '9') || + (*p >= 'A' && *p <= 'Z') || + (*p >= 'a' && *p <= 'z') || + *p == '-' || + *p == '_' || + *p == '.') { + p++; + continue; + } + if (*p == '%') { + if(*(p + 1) == 'p') { + p += 2; + count_p ++; + continue; + } + if (*(p + 1) == 't') { + p += 2; + count_t ++; + continue; + } + } + return false; + } + return count_p < 2 && count_t < 2; +} + // Check consistency of GC selection bool Arguments::check_gc_consistency() { check_gclog_consistency(); @@ -2037,6 +2080,9 @@ 1, 100, "TLABWasteTargetPercent"); status = status && verify_object_alignment(); +#ifdef COMPILER1 + status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize"); +#endif #ifdef SPARC if (UseConcMarkSweepGC || UseG1GC) { @@ -2398,7 +2444,7 @@ (size_t)InitialCodeCacheSize); if (errcode != arg_in_range) { jio_fprintf(defaultStream::error_stream(), - "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n", + "Invalid maximum code cache size: %s. Should be greater than or equal to InitialCodeCacheSize=%dK\n", option->optionString, InitialCodeCacheSize/K); describe_range_error(errcode); return JNI_EINVAL; @@ -2524,6 +2570,13 @@ // ostream_init_log(), when called will use this filename // to initialize a fileStream. _gc_log_filename = strdup(tail); + if (!is_filename_valid(_gc_log_filename)) { + jio_fprintf(defaultStream::output_stream(), + "Invalid file name for use with -Xloggc: Filename can only contain the " + "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" + "Note %%p or %%t can only be used once\n", _gc_log_filename); + return JNI_EINVAL; + } FLAG_SET_CMDLINE(bool, PrintGC, true); FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); @@ -3288,9 +3341,6 @@ #endif // CC_INTERP #ifdef COMPILER2 - if (!UseBiasedLocking || EmitSync != 0) { - UseOptoBiasInlining = false; - } if (!EliminateLocks) { EliminateNestedLocks = false; } @@ -3334,6 +3384,12 @@ } } +#ifdef COMPILER2 + if (!UseBiasedLocking || EmitSync != 0) { + UseOptoBiasInlining = false; + } +#endif + // set PauseAtExit if the gamma launcher was used and a debugger is attached // but only if not already set on the commandline if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) {
--- a/src/share/vm/runtime/globals.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/globals.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -1204,7 +1204,7 @@ "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ "type after previous bulk rebias") \ \ - develop(bool, JavaObjectsInPerm, false, \ + diagnostic(bool, JavaObjectsInPerm, false, \ "controls whether Classes and interned Strings are allocated" \ "in perm. This purely intended to allow debugging issues" \ "in production.") \ @@ -2339,9 +2339,9 @@ "Number of gclog files in rotation, " \ "Default: 0, no rotation") \ \ - product(uintx, GCLogFileSize, 0, \ - "GC log file size, Default: 0 bytes, no rotation " \ - "Only valid with UseGCLogFileRotation") \ + product(uintx, GCLogFileSize, 8*K, \ + "GC log file size, requires UseGCLogFileRotation. " \ + "Set to 0 to only trigger rotation via jcmd") \ \ /* JVMTI heap profiling */ \ \
--- a/src/share/vm/runtime/objectMonitor.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/objectMonitor.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2014, 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 @@ -385,6 +385,12 @@ DTRACE_MONITOR_PROBE(contended__enter, this, object(), jt); if (JvmtiExport::should_post_monitor_contended_enter()) { JvmtiExport::post_monitor_contended_enter(jt, this); + + // The current thread does not yet own the monitor and does not + // yet appear on any queues that would get it made the successor. + // This means that the JVMTI_EVENT_MONITOR_CONTENDED_ENTER event + // handler cannot accidentally consume an unpark() meant for the + // ParkEvent associated with this ObjectMonitor. } OSThreadContendState osts(Self->osthread()); @@ -415,6 +421,15 @@ jt->java_suspend_self(); } Self->set_current_pending_monitor(NULL); + + // We cleared the pending monitor info since we've just gotten past + // the enter-check-for-suspend dance and we now own the monitor free + // and clear, i.e., it is no longer pending. The ThreadBlockInVM + // destructor can go to a safepoint at the end of this block. If we + // do a thread dump during that safepoint, then this thread will show + // as having "-locked" the monitor, but the OS and java.lang.Thread + // states will still report that the thread is blocked trying to + // acquire it. } Atomic::dec_ptr(&_count); @@ -442,6 +457,12 @@ DTRACE_MONITOR_PROBE(contended__entered, this, object(), jt); if (JvmtiExport::should_post_monitor_contended_entered()) { JvmtiExport::post_monitor_contended_entered(jt, this); + + // The current thread already owns the monitor and is not going to + // call park() for the remainder of the monitor enter protocol. So + // it doesn't matter if the JVMTI_EVENT_MONITOR_CONTENDED_ENTERED + // event handler consumed an unpark() issued by the thread that + // just exited the monitor. } if (event.should_commit()) { @@ -1459,6 +1480,14 @@ // Note: 'false' parameter is passed here because the // wait was not timed out due to thread interrupt. JvmtiExport::post_monitor_waited(jt, this, false); + + // In this short circuit of the monitor wait protocol, the + // current thread never drops ownership of the monitor and + // never gets added to the wait queue so the current thread + // cannot be made the successor. This means that the + // JVMTI_EVENT_MONITOR_WAITED event handler cannot accidentally + // consume an unpark() meant for the ParkEvent associated with + // this ObjectMonitor. } if (event.should_commit()) { post_monitor_wait_event(&event, 0, millis, false); @@ -1502,21 +1531,6 @@ exit (true, Self) ; // exit the monitor guarantee (_owner != Self, "invariant") ; - // As soon as the ObjectMonitor's ownership is dropped in the exit() - // call above, another thread can enter() the ObjectMonitor, do the - // notify(), and exit() the ObjectMonitor. If the other thread's - // exit() call chooses this thread as the successor and the unpark() - // call happens to occur while this thread is posting a - // MONITOR_CONTENDED_EXIT event, then we run the risk of the event - // handler using RawMonitors and consuming the unpark(). - // - // To avoid the problem, we re-post the event. This does no harm - // even if the original unpark() was not consumed because we are the - // chosen successor for this monitor. - if (node._notified != 0 && _succ == Self) { - node._event->unpark(); - } - // The thread is on the WaitSet list - now park() it. // On MP systems it's conceivable that a brief spin before we park // could be profitable. @@ -1600,6 +1614,33 @@ JvmtiExport::post_monitor_waited(jt, this, ret == OS_TIMEOUT); } + // Without the fix for 8028280, it is possible for the above call: + // + // Thread::SpinAcquire (&_WaitSetLock, "WaitSet - unlink") ; + // + // to consume the unpark() that was done when the successor was set. + // The solution for this very rare possibility is to redo the unpark() + // outside of the JvmtiExport::should_post_monitor_waited() check. + // + if (node._notified != 0 && _succ == Self) { + // In this part of the monitor wait-notify-reenter protocol it + // is possible (and normal) for another thread to do a fastpath + // monitor enter-exit while this thread is still trying to get + // to the reenter portion of the protocol. + // + // The ObjectMonitor was notified and the current thread is + // the successor which also means that an unpark() has already + // been done. The JVMTI_EVENT_MONITOR_WAITED event handler can + // consume the unpark() that was done when the successor was + // set because the same ParkEvent is shared between Java + // monitors and JVM/TI RawMonitors (for now). + // + // We redo the unpark() to ensure forward progress, i.e., we + // don't want all pending threads hanging (parked) with none + // entering the unlocked monitor. + node._event->unpark(); + } + if (event.should_commit()) { post_monitor_wait_event(&event, node._notifier_tid, millis, ret == OS_TIMEOUT); }
--- a/src/share/vm/runtime/safepoint.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/safepoint.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -545,7 +545,7 @@ // rotate log files? if (UseGCLogFileRotation) { - gclog_or_tty->rotate_log(); + gclog_or_tty->rotate_log(false); } if (MemTracker::is_on()) {
--- a/src/share/vm/runtime/vframe.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/vframe.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -197,6 +197,7 @@ continue; } if (monitor->owner() != NULL) { + // the monitor is associated with an object, i.e., it is locked // First, assume we have the monitor locked. If we haven't found an // owned monitor before and this is the first frame, then we need to @@ -207,7 +208,11 @@ if (!found_first_monitor && frame_count == 0) { markOop mark = monitor->owner()->mark(); if (mark->has_monitor() && - mark->monitor() == thread()->current_pending_monitor()) { + ( // we have marked ourself as pending on this monitor + mark->monitor() == thread()->current_pending_monitor() || + // we are not the owner of this monitor + !mark->monitor()->is_entered(thread()) + )) { lock_state = "waiting to lock"; } }
--- a/src/share/vm/runtime/vm_operations.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/runtime/vm_operations.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -96,6 +96,7 @@ template(JFRCheckpoint) \ template(Exit) \ template(LinuxDllLoad) \ + template(RotateGCLog) \ class VM_Operation: public CHeapObj<mtInternal> { public: @@ -409,4 +410,15 @@ void doit(); }; + +class VM_RotateGCLog: public VM_Operation { + private: + outputStream* _out; + + public: + VM_RotateGCLog(outputStream* st) : _out(st) {} + VMOp_Type type() const { return VMOp_RotateGCLog; } + void doit() { gclog_or_tty->rotate_log(true, _out); } +}; + #endif // SHARE_VM_RUNTIME_VM_OPERATIONS_HPP
--- a/src/share/vm/services/diagnosticCommand.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/services/diagnosticCommand.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -51,7 +51,7 @@ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false)); DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false)); DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false)); - + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(true, false)); } #ifndef HAVE_EXTRA_DCMD @@ -565,3 +565,11 @@ JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); } +void RotateGCLogDCmd::execute(TRAPS) { + if (UseGCLogFileRotation) { + VM_RotateGCLog rotateop(output()); + VMThread::execute(&rotateop); + } else { + output()->print_cr("Target VM does not support GC log file rotation."); + } +}
--- a/src/share/vm/services/diagnosticCommand.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/services/diagnosticCommand.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2014, 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 @@ -302,4 +302,14 @@ virtual void execute(TRAPS); }; +class RotateGCLogDCmd : public DCmd { +public: + RotateGCLogDCmd(outputStream* output, bool heap) : DCmd(output, heap) {} + static const char* name() { return "GC.rotate_log"; } + static const char* description() { + return "Force the GC log file to be rotated."; + } + virtual void execute(TRAPS); +}; + #endif // SHARE_VM_SERVICES_DIAGNOSTICCOMMAND_HPP
--- a/src/share/vm/utilities/ostream.cpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/utilities/ostream.cpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -341,7 +341,7 @@ } char* stringStream::as_string() { - char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); + char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos + 1); strncpy(copy, buffer, buffer_pos); copy[buffer_pos] = 0; // terminating null return copy; @@ -354,14 +354,190 @@ outputStream* gclog_or_tty; extern Mutex* tty_lock; +#define EXTRACHARLEN 32 +#define CURRENTAPPX ".current" +#define FILENAMEBUFLEN 1024 +// convert YYYY-MM-DD HH:MM:SS to YYYY-MM-DD_HH-MM-SS +char* get_datetime_string(char *buf, size_t len) { + os::local_time_string(buf, len); + int i = (int)strlen(buf); + while (i-- >= 0) { + if (buf[i] == ' ') buf[i] = '_'; + else if (buf[i] == ':') buf[i] = '-'; + } + return buf; +} + +static const char* make_log_name_internal(const char* log_name, const char* force_directory, + int pid, const char* tms) { + const char* basename = log_name; + char file_sep = os::file_separator()[0]; + const char* cp; + char pid_text[32]; + + for (cp = log_name; *cp != '\0'; cp++) { + if (*cp == '/' || *cp == file_sep) { + basename = cp + 1; + } + } + const char* nametail = log_name; + // Compute buffer length + size_t buffer_length; + if (force_directory != NULL) { + buffer_length = strlen(force_directory) + strlen(os::file_separator()) + + strlen(basename) + 1; + } else { + buffer_length = strlen(log_name) + 1; + } + + // const char* star = strchr(basename, '*'); + const char* pts = strstr(basename, "%p"); + int pid_pos = (pts == NULL) ? -1 : (pts - nametail); + + if (pid_pos >= 0) { + jio_snprintf(pid_text, sizeof(pid_text), "pid%u", pid); + buffer_length += strlen(pid_text); + } + + pts = strstr(basename, "%t"); + int tms_pos = (pts == NULL) ? -1 : (pts - nametail); + if (tms_pos >= 0) { + buffer_length += strlen(tms); + } + + // Create big enough buffer. + char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); + + strcpy(buf, ""); + if (force_directory != NULL) { + strcat(buf, force_directory); + strcat(buf, os::file_separator()); + nametail = basename; // completely skip directory prefix + } + + // who is first, %p or %t? + int first = -1, second = -1; + const char *p1st = NULL; + const char *p2nd = NULL; + + if (pid_pos >= 0 && tms_pos >= 0) { + // contains both %p and %t + if (pid_pos < tms_pos) { + // case foo%pbar%tmonkey.log + first = pid_pos; + p1st = pid_text; + second = tms_pos; + p2nd = tms; + } else { + // case foo%tbar%pmonkey.log + first = tms_pos; + p1st = tms; + second = pid_pos; + p2nd = pid_text; + } + } else if (pid_pos >= 0) { + // contains %p only + first = pid_pos; + p1st = pid_text; + } else if (tms_pos >= 0) { + // contains %t only + first = tms_pos; + p1st = tms; + } + + int buf_pos = (int)strlen(buf); + const char* tail = nametail; + + if (first >= 0) { + tail = nametail + first + 2; + strncpy(&buf[buf_pos], nametail, first); + strcpy(&buf[buf_pos + first], p1st); + buf_pos = (int)strlen(buf); + if (second >= 0) { + strncpy(&buf[buf_pos], tail, second - first - 2); + strcpy(&buf[buf_pos + second - first - 2], p2nd); + tail = nametail + second + 2; + } + } + strcat(buf, tail); // append rest of name, or all of name + return buf; +} + +// log_name comes from -XX:LogFile=log_name or -Xloggc:log_name +// in log_name, %p => pipd1234 and +// %t => YYYY-MM-DD_HH-MM-SS +static const char* make_log_name(const char* log_name, const char* force_directory) { + char timestr[32]; + get_datetime_string(timestr, sizeof(timestr)); + return make_log_name_internal(log_name, force_directory, os::current_process_id(), + timestr); +} + +#ifndef PRODUCT +void test_loggc_filename() { + int pid; + char tms[32]; + char i_result[FILENAMEBUFLEN]; + const char* o_result; + get_datetime_string(tms, sizeof(tms)); + pid = os::current_process_id(); + + // test.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test.log", tms); + o_result = make_log_name_internal("test.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); + + // test-%t-%p.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%s-pid%u.log", tms, pid); + o_result = make_log_name_internal("test-%t-%p.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t-%%p.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); + + // test-%t%p.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%spid%u.log", tms, pid); + o_result = make_log_name_internal("test-%t%p.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t%%p.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); + + // %p%t.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u%s.log", pid, tms); + o_result = make_log_name_internal("%p%t.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p%%t.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); + + // %p-test.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u-test.log", pid); + o_result = make_log_name_internal("%p-test.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p-test.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); + + // %t.log + jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "%s.log", tms); + o_result = make_log_name_internal("%t.log", NULL, pid, tms); + assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%t.log\", NULL)"); + FREE_C_HEAP_ARRAY(char, o_result, mtInternal); +} +#endif // PRODUCT + fileStream::fileStream(const char* file_name) { _file = fopen(file_name, "w"); - _need_close = true; + if (_file != NULL) { + _need_close = true; + } else { + warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); + _need_close = false; + } } fileStream::fileStream(const char* file_name, const char* opentype) { _file = fopen(file_name, opentype); - _need_close = true; + if (_file != NULL) { + _need_close = true; + } else { + warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); + _need_close = false; + } } void fileStream::write(const char* s, size_t len) { @@ -422,34 +598,51 @@ update_position(s, len); } -rotatingFileStream::~rotatingFileStream() { +// dump vm version, os version, platform info, build id, +// memory usage and command line flags into header +void gcLogFileStream::dump_loggc_header() { + if (is_open()) { + print_cr(Abstract_VM_Version::internal_vm_info_string()); + os::print_memory_info(this); + print("CommandLine flags: "); + CommandLineFlags::printSetFlags(this); + } +} + +gcLogFileStream::~gcLogFileStream() { if (_file != NULL) { if (_need_close) fclose(_file); - _file = NULL; + _file = NULL; + } + if (_file_name != NULL) { FREE_C_HEAP_ARRAY(char, _file_name, mtInternal); _file_name = NULL; } } -rotatingFileStream::rotatingFileStream(const char* file_name) { +gcLogFileStream::gcLogFileStream(const char* file_name) { _cur_file_num = 0; _bytes_written = 0L; - _file_name = NEW_C_HEAP_ARRAY(char, strlen(file_name)+10, mtInternal); - jio_snprintf(_file_name, strlen(file_name)+10, "%s.%d", file_name, _cur_file_num); - _file = fopen(_file_name, "w"); - _need_close = true; + _file_name = make_log_name(file_name, NULL); + + // gc log file rotation + if (UseGCLogFileRotation && NumberOfGCLogFiles > 1) { + char tempbuf[FILENAMEBUFLEN]; + jio_snprintf(tempbuf, sizeof(tempbuf), "%s.%d" CURRENTAPPX, _file_name, _cur_file_num); + _file = fopen(tempbuf, "w"); + } else { + _file = fopen(_file_name, "w"); + } + if (_file != NULL) { + _need_close = true; + dump_loggc_header(); + } else { + warning("Cannot open file %s due to %s\n", _file_name, strerror(errno)); + _need_close = false; + } } -rotatingFileStream::rotatingFileStream(const char* file_name, const char* opentype) { - _cur_file_num = 0; - _bytes_written = 0L; - _file_name = NEW_C_HEAP_ARRAY(char, strlen(file_name)+10, mtInternal); - jio_snprintf(_file_name, strlen(file_name)+10, "%s.%d", file_name, _cur_file_num); - _file = fopen(_file_name, opentype); - _need_close = true; -} - -void rotatingFileStream::write(const char* s, size_t len) { +void gcLogFileStream::write(const char* s, size_t len) { if (_file != NULL) { size_t count = fwrite(s, 1, len, _file); _bytes_written += count; @@ -465,8 +658,13 @@ // write to gc log file at safepoint. If in future, changes made for mutator threads or // concurrent GC threads to run parallel with VMThread at safepoint, write and rotate_log // must be synchronized. -void rotatingFileStream::rotate_log() { - if (_bytes_written < (jlong)GCLogFileSize) { +void gcLogFileStream::rotate_log(bool force, outputStream* out) { + char time_msg[FILENAMEBUFLEN]; + char time_str[EXTRACHARLEN]; + char current_file_name[FILENAMEBUFLEN]; + char renamed_file_name[FILENAMEBUFLEN]; + + if (!should_rotate(force)) { return; } @@ -480,27 +678,105 @@ // rotate in same file rewind(); _bytes_written = 0L; + jio_snprintf(time_msg, sizeof(time_msg), "File %s rotated at %s\n", + _file_name, os::local_time_string((char *)time_str, sizeof(time_str))); + write(time_msg, strlen(time_msg)); + + if (out != NULL) { + out->print(time_msg); + } + + dump_loggc_header(); return; } - // rotate file in names file.0, file.1, file.2, ..., file.<MaxGCLogFileNumbers-1> - // close current file, rotate to next file +#if defined(_WINDOWS) +#ifndef F_OK +#define F_OK 0 +#endif +#endif // _WINDOWS + + // rotate file in names extended_filename.0, extended_filename.1, ..., + // extended_filename.<NumberOfGCLogFiles - 1>. Current rotation file name will + // have a form of extended_filename.<i>.current where i is the current rotation + // file number. After it reaches max file size, the file will be saved and renamed + // with .current removed from its tail. + size_t filename_len = strlen(_file_name); if (_file != NULL) { - _cur_file_num ++; - if (_cur_file_num >= NumberOfGCLogFiles) _cur_file_num = 0; - jio_snprintf(_file_name, strlen(Arguments::gc_log_filename()) + 10, "%s.%d", - Arguments::gc_log_filename(), _cur_file_num); + jio_snprintf(renamed_file_name, filename_len + EXTRACHARLEN, "%s.%d", + _file_name, _cur_file_num); + jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, + _file_name, _cur_file_num); + + const char* msg = force ? "GC log rotation request has been received." + : "GC log file has reached the maximum size."; + jio_snprintf(time_msg, sizeof(time_msg), "%s %s Saved as %s\n", + os::local_time_string((char *)time_str, sizeof(time_str)), + msg, renamed_file_name); + write(time_msg, strlen(time_msg)); + + if (out != NULL) { + out->print(time_msg); + } + fclose(_file); _file = NULL; + + bool can_rename = true; + if (access(current_file_name, F_OK) != 0) { + // current file does not exist? + warning("No source file exists, cannot rename\n"); + can_rename = false; + } + if (can_rename) { + if (access(renamed_file_name, F_OK) == 0) { + if (remove(renamed_file_name) != 0) { + warning("Could not delete existing file %s\n", renamed_file_name); + can_rename = false; + } + } else { + // file does not exist, ok to rename + } + } + if (can_rename && rename(current_file_name, renamed_file_name) != 0) { + warning("Could not rename %s to %s\n", _file_name, renamed_file_name); + } } - _file = fopen(_file_name, "w"); + + _cur_file_num++; + if (_cur_file_num > NumberOfGCLogFiles - 1) _cur_file_num = 0; + jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, + _file_name, _cur_file_num); + _file = fopen(current_file_name, "w"); + if (_file != NULL) { _bytes_written = 0L; _need_close = true; + // reuse current_file_name for time_msg + jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, + "%s.%d", _file_name, _cur_file_num); + jio_snprintf(time_msg, sizeof(time_msg), "%s GC log file created %s\n", + os::local_time_string((char *)time_str, sizeof(time_str)), + current_file_name); + write(time_msg, strlen(time_msg)); + + if (out != NULL) { + out->print(time_msg); + } + + dump_loggc_header(); + // remove the existing file + if (access(current_file_name, F_OK) == 0) { + if (remove(current_file_name) != 0) { + warning("Could not delete existing file %s\n", current_file_name); + } + } } else { - tty->print_cr("failed to open rotation log file %s due to %s\n", + warning("failed to open rotation log file %s due to %s\n" + "Turned off GC log file rotation\n", _file_name, strerror(errno)); _need_close = false; + FLAG_SET_DEFAULT(UseGCLogFileRotation, false); } } @@ -529,66 +805,6 @@ return _log_file != NULL; } -static const char* make_log_name(const char* log_name, const char* force_directory) { - const char* basename = log_name; - char file_sep = os::file_separator()[0]; - const char* cp; - for (cp = log_name; *cp != '\0'; cp++) { - if (*cp == '/' || *cp == file_sep) { - basename = cp+1; - } - } - const char* nametail = log_name; - - // Compute buffer length - size_t buffer_length; - if (force_directory != NULL) { - buffer_length = strlen(force_directory) + strlen(os::file_separator()) + - strlen(basename) + 1; - } else { - buffer_length = strlen(log_name) + 1; - } - - const char* star = strchr(basename, '*'); - int star_pos = (star == NULL) ? -1 : (star - nametail); - int skip = 1; - if (star == NULL) { - // Try %p - star = strstr(basename, "%p"); - if (star != NULL) { - skip = 2; - } - } - star_pos = (star == NULL) ? -1 : (star - nametail); - - char pid[32]; - if (star_pos >= 0) { - jio_snprintf(pid, sizeof(pid), "%u", os::current_process_id()); - buffer_length += strlen(pid); - } - - // Create big enough buffer. - char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); - - strcpy(buf, ""); - if (force_directory != NULL) { - strcat(buf, force_directory); - strcat(buf, os::file_separator()); - nametail = basename; // completely skip directory prefix - } - - if (star_pos >= 0) { - // convert foo*bar.log or foo%pbar.log to foo123bar.log - int buf_pos = (int) strlen(buf); - strncpy(&buf[buf_pos], nametail, star_pos); - strcpy(&buf[buf_pos + star_pos], pid); - nametail += star_pos + skip; // skip prefix and pid format - } - - strcat(buf, nametail); // append rest of name, or all of name - return buf; -} - void defaultStream::init_log() { // %%% Need a MutexLocker? const char* log_name = LogFile != NULL ? LogFile : "hotspot.log"; @@ -876,11 +1092,8 @@ gclog_or_tty = tty; // default to tty if (Arguments::gc_log_filename() != NULL) { - fileStream * gclog = UseGCLogFileRotation ? - new(ResourceObj::C_HEAP, mtInternal) - rotatingFileStream(Arguments::gc_log_filename()) : - new(ResourceObj::C_HEAP, mtInternal) - fileStream(Arguments::gc_log_filename()); + fileStream * gclog = new(ResourceObj::C_HEAP, mtInternal) + gcLogFileStream(Arguments::gc_log_filename()); if (gclog->is_open()) { // now we update the time stamp of the GC log to be synced up // with tty.
--- a/src/share/vm/utilities/ostream.hpp Mon Sep 08 12:36:58 2014 -0700 +++ b/src/share/vm/utilities/ostream.hpp Wed Sep 10 15:38:47 2014 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, 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 @@ -113,7 +113,7 @@ // flushing virtual void flush() {} virtual void write(const char* str, size_t len) = 0; - virtual void rotate_log() {} // GC log rotation + virtual void rotate_log(bool force, outputStream* out = NULL) {} // GC log rotation virtual ~outputStream() {} // close properly on deletion void dec_cr() { dec(); cr(); } @@ -228,20 +228,31 @@ void flush() {}; }; -class rotatingFileStream : public fileStream { +class gcLogFileStream : public fileStream { protected: - char* _file_name; + const char* _file_name; jlong _bytes_written; - uintx _cur_file_num; // current logfile rotation number, from 0 to MaxGCLogFileNumbers-1 + uintx _cur_file_num; // current logfile rotation number, from 0 to NumberOfGCLogFiles-1 public: - rotatingFileStream(const char* file_name); - rotatingFileStream(const char* file_name, const char* opentype); - rotatingFileStream(FILE* file) : fileStream(file) {} - ~rotatingFileStream(); + gcLogFileStream(const char* file_name); + ~gcLogFileStream(); virtual void write(const char* c, size_t len); - virtual void rotate_log(); + virtual void rotate_log(bool force, outputStream* out = NULL); + void dump_loggc_header(); + + /* If "force" sets true, force log file rotation from outside JVM */ + bool should_rotate(bool force) { + return force || + ((GCLogFileSize != 0) && ((uintx)_bytes_written >= GCLogFileSize)); + } + }; +#ifndef PRODUCT +// unit test for checking -Xloggc:<filename> parsing result +void test_loggc_filename(); +#endif + void ostream_init(); void ostream_init_log(); void ostream_exit();
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/EscapeAnalysis/TestAllocatedEscapesPtrComparison.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,107 @@ +/* + * Copyright 2014 Google, Inc. 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. + */ + +/* + * @test + * @bug 8043354 + * @summary bcEscapeAnalyzer allocated_escapes not conservative enough + * @run main/othervm -XX:CompileOnly=.visitAndPop TestAllocatedEscapesPtrComparison + * @author Chuck Rasbold rasbold@google.com + */ + +/* + * Test always passes with -XX:-OptmimizePtrCompare + */ + +import java.util.ArrayList; +import java.util.List; + +public class TestAllocatedEscapesPtrComparison { + + static TestAllocatedEscapesPtrComparison dummy; + + class Marker { + } + + List<Marker> markerList = new ArrayList<>(); + + // Suppress compilation of this method, it must be processed + // by the bytecode escape analyzer. + + // Make a new marker and put it on the List + Marker getMarker() { + // result escapes through markerList + final Marker result = new Marker(); + markerList.add(result); + return result; + } + + void visit(int depth) { + // Make a new marker + getMarker(); + + // Call visitAndPop every once in a while + // Cap the depth of our recursive visits + if (depth % 10 == 2) { + visitAndPop(depth + 1); + } else if (depth < 15) { + visit(depth + 1); + } + } + + void visitAndPop(int depth) { + // Random dummy allocation to force EscapeAnalysis to process this method + dummy = new TestAllocatedEscapesPtrComparison(); + + // Make a new marker + Marker marker = getMarker(); + + visit(depth + 1); + + // Walk and pop the marker list up to the current marker + boolean found = false; + for (int i = markerList.size() - 1; i >= 0; i--) { + Marker removed = markerList.remove(i); + + // In the failure, EA mistakenly converts this comparison to false + if (removed == marker) { + found = true; + break; + } + } + + if (!found) { + throw new RuntimeException("test fails"); + } + } + + + public static void main(String args[]) { + TestAllocatedEscapesPtrComparison tc = new TestAllocatedEscapesPtrComparison(); + + // Warmup and run enough times + for (int i = 0; i < 20000; i++) { + tc.visit(0); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/loopopts/TestLogSum.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2014, 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. + */ + +/* + * @test + * @bug 8046516 + * @summary Segmentation fault in JVM (easily reproducible) + * @run main/othervm -XX:-TieredCompilation -Xbatch TestLogSum + * @author jackkamm@gmail.com + */ + +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +public class TestLogSum { + public static void main(String[] args) { + double sum; + + for (int i = 0; i < 6; i++) { + for (int n = 2; n < 30; n++) { + for (int j = 1; j <= n; j++) { + for (int k = 1; k <= j; k++) { + // System.out.println(computeSum(k, j)); + sum = computeSum(k, j); + } + } + } + } + } + + private static Map<List<Integer>, Double> cache = new HashMap<List<Integer>, Double>(); + public static double computeSum(int x, int y) { + List<Integer> key = Arrays.asList(new Integer[] {x, y}); + + if (!cache.containsKey(key)) { + + // explicitly creating/updating a double[] array, instead of using the LogSumArray wrapper object, will prevent the error + LogSumArray toReturn = new LogSumArray(x); + + // changing loop indices will prevent the error + // in particular, for(z=0; z<x-1; z++), and then using z+1 in place of z, will not produce error + for (int z = 1; z < x+1; z++) { + double logSummand = Math.log(z + x + y); + toReturn.addLogSummand(logSummand); + } + + // returning the value here without cacheing it will prevent the segfault + cache.put(key, toReturn.retrieveLogSum()); + } + return cache.get(key); + } + + /* + * Given a bunch of logarithms log(X),log(Y),log(Z),... + * This class is used to compute the log of the sum, log(X+Y+Z+...) + */ + private static class LogSumArray { + private double[] logSummandArray; + private int currSize; + + private double maxLogSummand; + + public LogSumArray(int maxEntries) { + this.logSummandArray = new double[maxEntries]; + + this.currSize = 0; + this.maxLogSummand = Double.NEGATIVE_INFINITY; + } + + public void addLogSummand(double logSummand) { + logSummandArray[currSize] = logSummand; + currSize++; + // removing this line will prevent the error + maxLogSummand = Math.max(maxLogSummand, logSummand); + } + + public double retrieveLogSum() { + if (maxLogSummand == Double.NEGATIVE_INFINITY) return Double.NEGATIVE_INFINITY; + + assert currSize <= logSummandArray.length; + + double factorSum = 0; + for (int i = 0; i < currSize; i++) { + factorSum += Math.exp(logSummandArray[i] - maxLogSummand); + } + + return Math.log(factorSum) + maxLogSummand; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/gc/g1/TestPrintGCDetails.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2014, 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. + */ + +/* + * @test TestPrintGCDetails + * @bug 8010738 + * @summary Ensure that the PrintGCDetails for a full GC with G1 includes PermGen size info. + * @key gc + * @key regression + * @library /testlibrary + */ + +import com.oracle.java.testlibrary.ProcessTools; +import com.oracle.java.testlibrary.OutputAnalyzer; + +public class TestPrintGCDetails { + public static void main(String[] args) throws Exception { + + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", + "-XX:+PrintGCDetails", + SystemGCTest.class.getName()); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + + System.out.println("Output:\n" + output.getOutput()); + + output.shouldContain("Perm"); + output.shouldHaveExitValue(0); + } + + static class SystemGCTest { + public static void main(String [] args) { + System.out.println("Calling System.gc()"); + System.gc(); + } + } +}
--- a/test/runtime/7051189/Xchecksig.sh Mon Sep 08 12:36:58 2014 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,126 +0,0 @@ -# -# Copyright (c) 2011, 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. -# - - -# @test Xchecksig.sh -# @bug 7051189 -# @summary Need to suppress info message if -xcheck:jni used with libjsig.so -# @run shell Xchecksig.sh -# - -if [ "${TESTSRC}" = "" ] -then - TESTSRC=${PWD} - echo "TESTSRC not set. Using "${TESTSRC}" as default" -fi -echo "TESTSRC=${TESTSRC}" -## Adding common setup Variables for running shell tests. -. ${TESTSRC}/../../test_env.sh - -OS=`uname -s` -case "$OS" in - Windows_* | CYGWIN_* ) - printf "Not testing libjsig.so on Windows. PASSED.\n " - exit 0 - ;; -esac - -JAVA=${TESTJAVA}${FS}bin${FS}java - -# LD_PRELOAD arch needs to match the binary we run, so run the java -# 64-bit binary directly if we are testing 64-bit (bin/ARCH/java). -# Check if TESTVMOPS contains -d64, but cannot use -# java ${TESTVMOPS} to run "java -d64" with LD_PRELOAD. - -if [ ${OS} -eq "SunOS" ] -then - printf "SunOS test TESTVMOPTS = ${TESTVMOPTS}" - printf ${TESTVMOPTS} | grep d64 > /dev/null - if [ $? -eq 0 ] - then - printf "SunOS 64-bit test\n" - BIT_FLAG=-d64 - fi -fi - -ARCH=`uname -p` -case $ARCH in - i386) - if [ X${BIT_FLAG} != "X" ] - then - ARCH=amd64 - JAVA=${TESTJAVA}${FS}bin${FS}${ARCH}${FS}java - fi - ;; - sparc) - if [ X${BIT_FLAG} != "X" ] - then - ARCH=sparcv9 - JAVA=${TESTJAVA}${FS}bin${FS}${ARCH}${FS}java - fi - ;; - * ) - printf "Not testing architecture $ARCH, skipping test.\n" - exit 0 - ;; -esac - -LIBJSIG=${COMPILEJAVA}${FS}jre${FS}lib${FS}${ARCH}${FS}libjsig.so - -# If libjsig and binary do not match, skip test. - -A=`file ${LIBJSIG} | awk '{ print $3 }'` -B=`file ${JAVA} | awk '{ print $3 }'` - -if [ $A -ne $B ] -then - printf "Mismatching binary and library to preload, skipping test.\n" - exit 0 -fi - -if [ ! -f ${LIBJSIG} ] -then - printf "Skipping test: libjsig missing for given architecture: ${LIBJSIG}\n" - exit 0 -fi -# Use java -version to test, java version info appears on stderr, -# the libjsig message we are removing appears on stdout. - -# grep returns zero meaning found, non-zero means not found: - -LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -version 2>&1 | grep "libjsig is activated" -if [ $? -eq 0 ]; then - printf "Failed: -Xcheck:jni prints message when libjsig.so is loaded.\n" - exit 1 -fi - - -LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -verbose:jni -version 2>&1 | grep "libjsig is activated" -if [ $? != 0 ]; then - printf "Failed: -Xcheck:jni does not print message when libjsig.so is loaded and -verbose:jni is set.\n" - exit 1 -fi - -printf "PASSED\n" -exit 0 -
--- a/test/runtime/7196045/Test7196045.java Mon Sep 08 12:36:58 2014 -0700 +++ b/test/runtime/7196045/Test7196045.java Wed Sep 10 15:38:47 2014 -0700 @@ -26,7 +26,7 @@ * @test * @bug 7196045 * @summary Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API. - * @run main/othervm Test7196045 + * @run main/othervm -XX:+UsePerfData Test7196045 */ import java.lang.management.ManagementFactory;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/Thread/TestThreadDumpMonitorContention.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,534 @@ +/* + * Copyright (c) 2014, 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. + */ + +/* + * @test + * @bug 8036823 + * @bug 8046287 + * @summary Creates two threads contending for the same lock and checks + * whether jstack reports "locked" by more than one thread. + * + * @library /testlibrary + * @run main/othervm TestThreadDumpMonitorContention + */ + +import java.io.BufferedReader; +import java.io.InputStreamReader; +import java.lang.management.ManagementFactory; +import java.lang.management.RuntimeMXBean; +import java.util.ArrayList; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import com.oracle.java.testlibrary.*; + +public class TestThreadDumpMonitorContention { + // jstack tends to be closely bound to the VM that we are running + // so use getTestJDKTool() instead of getCompileJDKTool() or even + // getJDKTool() which can fall back to "compile.jdk". + final static String JSTACK = JDKToolFinder.getTestJDKTool("jstack"); + final static String PID = getPid(); + + // looking for header lines with these patterns: + // "ContendingThread-1" #19 prio=5 os_prio=64 tid=0x000000000079c000 nid=0x23 runnable [0xffff80ffb8b87000] + // "ContendingThread-2" #21 prio=5 os_prio=64 tid=0x0000000000780000 nid=0x2f waiting for monitor entry [0xfffffd7fc1111000] + // "ContendingThread-2" #24 prio=5 os_prio=64 tid=0x0000000000ec8800 nid=0x31 waiting on condition [0xfffffd7bbfffe000] + final static Pattern HEADER_PREFIX_PATTERN = Pattern.compile( + "^\"ContendingThread-.*"); + final static Pattern HEADER_WAITING_PATTERN1 = Pattern.compile( + "^\"ContendingThread-.* waiting for monitor entry .*"); + final static Pattern HEADER_WAITING_PATTERN2 = Pattern.compile( + "^\"ContendingThread-.* waiting on condition .*"); + final static Pattern HEADER_RUNNABLE_PATTERN = Pattern.compile( + "^\"ContendingThread-.* runnable .*"); + + // looking for thread state lines with these patterns: + // java.lang.Thread.State: RUNNABLE + // java.lang.Thread.State: BLOCKED (on object monitor) + final static Pattern THREAD_STATE_PREFIX_PATTERN = Pattern.compile( + " *java\\.lang\\.Thread\\.State: .*"); + final static Pattern THREAD_STATE_BLOCKED_PATTERN = Pattern.compile( + " *java\\.lang\\.Thread\\.State: BLOCKED \\(on object monitor\\)"); + final static Pattern THREAD_STATE_RUNNABLE_PATTERN = Pattern.compile( + " *java\\.lang\\.Thread\\.State: RUNNABLE"); + + // looking for duplicates of this pattern: + // - locked <0x000000076ac59e20> (a TestThreadDumpMonitorContention$1) + final static Pattern LOCK_PATTERN = Pattern.compile( + ".* locked \\<.*\\(a TestThreadDumpMonitorContention.*"); + + // sanity checking header and thread state lines associated + // with this pattern: + // - waiting to lock <0x000000076ac59e20> (a TestThreadDumpMonitorContention$1) + final static Pattern WAITING_PATTERN = Pattern.compile( + ".* waiting to lock \\<.*\\(a TestThreadDumpMonitorContention.*"); + + final static Object barrier = new Object(); + volatile static boolean done = false; + + static int barrier_cnt = 0; + static int blank_line_match_cnt = 0; + static int error_cnt = 0; + static boolean have_header_line = false; + static boolean have_thread_state_line = false; + static String header_line = null; + static int header_prefix_match_cnt = 0; + static int locked_line_match_cnt = 0; + static String[] locked_match_list = new String[2]; + static int n_samples = 15; + static int sum_both_running_cnt = 0; + static int sum_both_waiting_cnt = 0; + static int sum_contended_cnt = 0; + static int sum_locked_hdr_runnable_cnt = 0; + static int sum_locked_hdr_waiting1_cnt = 0; + static int sum_locked_hdr_waiting2_cnt = 0; + static int sum_locked_thr_state_blocked_cnt = 0; + static int sum_locked_thr_state_runnable_cnt = 0; + static int sum_one_waiting_cnt = 0; + static int sum_uncontended_cnt = 0; + static int sum_waiting_hdr_waiting1_cnt = 0; + static int sum_waiting_thr_state_blocked_cnt = 0; + static String thread_state_line = null; + static boolean verbose = false; + static int waiting_line_match_cnt = 0; + + public static void main(String[] args) throws Exception { + if (args.length != 0) { + int arg_i = 0; + if (args[arg_i].equals("-v")) { + verbose = true; + arg_i++; + } + + try { + n_samples = Integer.parseInt(args[arg_i]); + } catch (NumberFormatException nfe) { + System.err.println(nfe); + usage(); + } + } + + Runnable runnable = new Runnable() { + public void run() { + synchronized (barrier) { + // let the main thread know we're running + barrier_cnt++; + barrier.notify(); + } + while (!done) { + synchronized (this) { } + } + } + }; + Thread[] thread_list = new Thread[2]; + thread_list[0] = new Thread(runnable, "ContendingThread-1"); + thread_list[1] = new Thread(runnable, "ContendingThread-2"); + synchronized (barrier) { + thread_list[0].start(); + thread_list[1].start(); + + // Wait until the contending threads are running so that + // we don't sample any thread init states. + while (barrier_cnt < 2) { + barrier.wait(); + } + } + + doSamples(); + + done = true; + + thread_list[0].join(); + thread_list[1].join(); + + if (error_cnt == 0) { + System.out.println("Test PASSED."); + } else { + System.out.println("Test FAILED."); + throw new AssertionError("error_cnt=" + error_cnt); + } + } + + // Reached a blank line which is the end of the + // stack trace without matching either LOCK_PATTERN + // or WAITING_PATTERN. Rare, but it's not an error. + // + // Example: + // "ContendingThread-1" #21 prio=5 os_prio=64 tid=0x00000000007b9000 nid=0x2f runnable [0xfffffd7fc1111000] + // java.lang.Thread.State: RUNNABLE + // at TestThreadDumpMonitorContention$1.run(TestThreadDumpMonitorContention.java:140) + // at java.lang.Thread.run(Thread.java:745) + // + static boolean checkBlankLine(String line) { + if (line.length() == 0) { + blank_line_match_cnt++; + have_header_line = false; + have_thread_state_line = false; + return true; + } + + return false; + } + + // Process the locked line here if we found one. + // + // Example 1: + // "ContendingThread-1" #21 prio=5 os_prio=64 tid=0x00000000007b9000 nid=0x2f runnable [0xfffffd7fc1111000] + // java.lang.Thread.State: RUNNABLE + // at TestThreadDumpMonitorContention$1.run(TestThreadDumpMonitorContention.java:140) + // - locked <0xfffffd7e6a2912f8> (a TestThreadDumpMonitorContention$1) + // at java.lang.Thread.run(Thread.java:745) + // + // Example 2: + // "ContendingThread-1" #21 prio=5 os_prio=64 tid=0x00000000007b9000 nid=0x2f waiting for monitor entry [0xfffffd7fc1111000] + // java.lang.Thread.State: BLOCKED (on object monitor) + // at TestThreadDumpMonitorContention$1.run(TestThreadDumpMonitorContention.java:140) + // - locked <0xfffffd7e6a2912f8> (a TestThreadDumpMonitorContention$1) + // at java.lang.Thread.run(Thread.java:745) + // + // Example 3: + // "ContendingThread-2" #24 prio=5 os_prio=64 tid=0x0000000000ec8800 nid=0x31 waiting on condition [0xfffffd7bbfffe000] + // java.lang.Thread.State: RUNNABLE + // JavaThread state: _thread_blocked + // Thread: 0x0000000000ec8800 [0x31] State: _at_safepoint _has_called_back 0 _at_poll_safepoint 0 + // JavaThread state: _thread_blocked + // at TestThreadDumpMonitorContention$1.run(TestThreadDumpMonitorContention.java:140) + // - locked <0xfffffd7e6d03eb28> (a TestThreadDumpMonitorContention$1) + // at java.lang.Thread.run(Thread.java:745) + // + static boolean checkLockedLine(String line) { + Matcher matcher = LOCK_PATTERN.matcher(line); + if (matcher.matches()) { + if (verbose) { + System.out.println("locked_line='" + line + "'"); + } + locked_match_list[locked_line_match_cnt] = new String(line); + locked_line_match_cnt++; + + matcher = HEADER_RUNNABLE_PATTERN.matcher(header_line); + if (matcher.matches()) { + sum_locked_hdr_runnable_cnt++; + } else { + // It's strange, but a locked line can also + // match the HEADER_WAITING_PATTERN{1,2}. + matcher = HEADER_WAITING_PATTERN1.matcher(header_line); + if (matcher.matches()) { + sum_locked_hdr_waiting1_cnt++; + } else { + matcher = HEADER_WAITING_PATTERN2.matcher(header_line); + if (matcher.matches()) { + sum_locked_hdr_waiting2_cnt++; + } else { + System.err.println(); + System.err.println("ERROR: header line does " + + "not match runnable or waiting patterns."); + System.err.println("ERROR: header_line='" + + header_line + "'"); + System.err.println("ERROR: locked_line='" + line + + "'"); + error_cnt++; + } + } + } + + matcher = THREAD_STATE_RUNNABLE_PATTERN.matcher(thread_state_line); + if (matcher.matches()) { + sum_locked_thr_state_runnable_cnt++; + } else { + // It's strange, but a locked line can also + // match the THREAD_STATE_BLOCKED_PATTERN. + matcher = THREAD_STATE_BLOCKED_PATTERN.matcher( + thread_state_line); + if (matcher.matches()) { + sum_locked_thr_state_blocked_cnt++; + } else { + System.err.println(); + System.err.println("ERROR: thread state line does not " + + "match runnable or waiting patterns."); + System.err.println("ERROR: " + "thread_state_line='" + + thread_state_line + "'"); + System.err.println("ERROR: locked_line='" + line + "'"); + error_cnt++; + } + } + + // Have everything we need from this thread stack + // that matches the LOCK_PATTERN. + have_header_line = false; + have_thread_state_line = false; + return true; + } + + return false; + } + + // Process the waiting line here if we found one. + // + // Example: + // "ContendingThread-2" #22 prio=5 os_prio=64 tid=0x00000000007b9800 nid=0x30 waiting for monitor entry [0xfffffd7fc1010000] + // java.lang.Thread.State: BLOCKED (on object monitor) + // at TestThreadDumpMonitorContention$1.run(TestThreadDumpMonitorContention.java:140) + // - waiting to lock <0xfffffd7e6a2912f8> (a TestThreadDumpMonitorContention$1) + // at java.lang.Thread.run(Thread.java:745) + // + static boolean checkWaitingLine(String line) { + Matcher matcher = WAITING_PATTERN.matcher(line); + if (matcher.matches()) { + waiting_line_match_cnt++; + if (verbose) { + System.out.println("waiting_line='" + line + "'"); + } + + matcher = HEADER_WAITING_PATTERN1.matcher(header_line); + if (matcher.matches()) { + sum_waiting_hdr_waiting1_cnt++; + } else { + System.err.println(); + System.err.println("ERROR: header line does " + + "not match a waiting pattern."); + System.err.println("ERROR: header_line='" + header_line + "'"); + System.err.println("ERROR: waiting_line='" + line + "'"); + error_cnt++; + } + + matcher = THREAD_STATE_BLOCKED_PATTERN.matcher(thread_state_line); + if (matcher.matches()) { + sum_waiting_thr_state_blocked_cnt++; + } else { + System.err.println(); + System.err.println("ERROR: thread state line " + + "does not match a waiting pattern."); + System.err.println("ERROR: thread_state_line='" + + thread_state_line + "'"); + System.err.println("ERROR: waiting_line='" + line + "'"); + error_cnt++; + } + + // Have everything we need from this thread stack + // that matches the WAITING_PATTERN. + have_header_line = false; + have_thread_state_line = false; + return true; + } + + return false; + } + + static void doSamples() throws Exception { + for (int count = 0; count < n_samples; count++) { + blank_line_match_cnt = 0; + header_prefix_match_cnt = 0; + locked_line_match_cnt = 0; + waiting_line_match_cnt = 0; + // verbose mode or an error has a lot of output so add more space + if (verbose || error_cnt > 0) System.out.println(); + System.out.println("Sample #" + count); + + // We don't use the ProcessTools, OutputBuffer or + // OutputAnalyzer classes from the testlibrary because + // we have a complicated multi-line parse to perform + // on a narrow subset of the JSTACK output. + // + // - we only care about stack traces that match + // HEADER_PREFIX_PATTERN; only two should match + // - we care about at most three lines from each stack trace + // - if both stack traces match LOCKED_PATTERN, then that's + // a failure and we report it + // - for a stack trace that matches LOCKED_PATTERN, we verify: + // - the header line matches HEADER_RUNNABLE_PATTERN + // or HEADER_WAITING_PATTERN{1,2} + // - the thread state line matches THREAD_STATE_BLOCKED_PATTERN + // or THREAD_STATE_RUNNABLE_PATTERN + // - we report any mismatches as failures + // - for a stack trace that matches WAITING_PATTERN, we verify: + // - the header line matches HEADER_WAITING_PATTERN1 + // - the thread state line matches THREAD_STATE_BLOCKED_PATTERN + // - we report any mismatches as failures + // - the stack traces that match HEADER_PREFIX_PATTERN may + // not match either LOCKED_PATTERN or WAITING_PATTERN + // because we might observe the thread outside of + // monitor operations; this is not considered a failure + // + // When we do observe LOCKED_PATTERN or WAITING_PATTERN, + // then we are checking the header and thread state patterns + // that occurred earlier in the current stack trace that + // matched HEADER_PREFIX_PATTERN. We don't use data from + // stack traces that don't match HEADER_PREFIX_PATTERN and + // we don't mix data between the two stack traces that do + // match HEADER_PREFIX_PATTERN. + // + Process process = new ProcessBuilder(JSTACK, PID) + .redirectErrorStream(true).start(); + + BufferedReader reader = new BufferedReader(new InputStreamReader( + process.getInputStream())); + String line; + while ((line = reader.readLine()) != null) { + Matcher matcher = null; + + // process the header line here + if (!have_header_line) { + matcher = HEADER_PREFIX_PATTERN.matcher(line); + if (matcher.matches()) { + header_prefix_match_cnt++; + if (verbose) { + System.out.println(); + System.out.println("header='" + line + "'"); + } + header_line = new String(line); + have_header_line = true; + continue; + } + continue; // skip until have a header line + } + + // process the thread state line here + if (!have_thread_state_line) { + matcher = THREAD_STATE_PREFIX_PATTERN.matcher(line); + if (matcher.matches()) { + if (verbose) { + System.out.println("thread_state='" + line + "'"); + } + thread_state_line = new String(line); + have_thread_state_line = true; + continue; + } + continue; // skip until we have a thread state line + } + + // process the locked line here if we find one + if (checkLockedLine(line)) { + continue; + } + + // process the waiting line here if we find one + if (checkWaitingLine(line)) { + continue; + } + + // process the blank line here if we find one + if (checkBlankLine(line)) { + continue; + } + } + process.waitFor(); + + if (header_prefix_match_cnt != 2) { + System.err.println(); + System.err.println("ERROR: should match exactly two headers."); + System.err.println("ERROR: header_prefix_match_cnt=" + + header_prefix_match_cnt); + error_cnt++; + } + + if (locked_line_match_cnt == 2) { + if (locked_match_list[0].equals(locked_match_list[1])) { + System.err.println(); + System.err.println("ERROR: matching lock lines:"); + System.err.println("ERROR: line[0]'" + + locked_match_list[0] + "'"); + System.err.println("ERROR: line[1]'" + + locked_match_list[1] + "'"); + error_cnt++; + } + } + + if (locked_line_match_cnt == 1) { + // one thread has the lock + if (waiting_line_match_cnt == 1) { + // and the other contended for it + sum_contended_cnt++; + } else { + // and the other is just running + sum_uncontended_cnt++; + } + } else if (waiting_line_match_cnt == 1) { + // one thread is waiting + sum_one_waiting_cnt++; + } else if (waiting_line_match_cnt == 2) { + // both threads are waiting + sum_both_waiting_cnt++; + } else { + // both threads are running + sum_both_running_cnt++; + } + + // slight delay between jstack launches + Thread.sleep(500); + } + + if (error_cnt != 0) { + // skip summary info since there were errors + return; + } + + System.out.println("INFO: Summary for all samples:"); + System.out.println("INFO: both_running_cnt=" + sum_both_running_cnt); + System.out.println("INFO: both_waiting_cnt=" + sum_both_waiting_cnt); + System.out.println("INFO: contended_cnt=" + sum_contended_cnt); + System.out.println("INFO: one_waiting_cnt=" + sum_one_waiting_cnt); + System.out.println("INFO: uncontended_cnt=" + sum_uncontended_cnt); + System.out.println("INFO: locked_hdr_runnable_cnt=" + + sum_locked_hdr_runnable_cnt); + System.out.println("INFO: locked_hdr_waiting1_cnt=" + + sum_locked_hdr_waiting1_cnt); + System.out.println("INFO: locked_hdr_waiting2_cnt=" + + sum_locked_hdr_waiting2_cnt); + System.out.println("INFO: locked_thr_state_blocked_cnt=" + + sum_locked_thr_state_blocked_cnt); + System.out.println("INFO: locked_thr_state_runnable_cnt=" + + sum_locked_thr_state_runnable_cnt); + System.out.println("INFO: waiting_hdr_waiting1_cnt=" + + sum_waiting_hdr_waiting1_cnt); + System.out.println("INFO: waiting_thr_state_blocked_cnt=" + + sum_waiting_thr_state_blocked_cnt); + + if (sum_contended_cnt == 0) { + System.err.println("WARNING: the primary scenario for 8036823" + + " has not been exercised by this test run."); + } + } + + // This helper relies on RuntimeMXBean.getName() returning a string + // that looks like this: 5436@mt-haku + // + // The testlibrary has tryFindJvmPid(), but that uses a separate + // process which is much more expensive for finding out your own PID. + // + static String getPid() { + RuntimeMXBean runtimebean = ManagementFactory.getRuntimeMXBean(); + String vmname = runtimebean.getName(); + int i = vmname.indexOf('@'); + if (i != -1) { + vmname = vmname.substring(0, i); + } + return vmname; + } + + static void usage() { + System.err.println("Usage: " + + "java TestThreadDumpMonitorContention [-v] [n_samples]"); + System.exit(1); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/XCheckJniJsig/XCheckJSig.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 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 + * 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. + */ + +/* + * @test + * @bug 7051189 8023393 + * @summary Need to suppress info message if -Xcheck:jni is used with libjsig.so + * @library /testlibrary + * @run main XCheckJSig + */ + +import java.util.*; +import com.oracle.java.testlibrary.*; + +public class XCheckJSig { + public static void main(String args[]) throws Throwable { + + System.out.println("Regression test for bugs 7051189 and 8023393"); + if (!Platform.isSolaris() && !Platform.isLinux() && !Platform.isOSX()) { + System.out.println("Test only applicable on Solaris, Linux, and Mac OSX, skipping"); + return; + } + + String jdk_path = System.getProperty("test.jdk"); + String os_arch = Platform.getOsArch(); + String libjsig; + String env_var; + if (Platform.isOSX()) { + libjsig = jdk_path + "/jre/lib/server/libjsig.dylib"; + env_var = "DYLD_INSERT_LIBRARIES"; + } else { + libjsig = jdk_path + "/jre/lib/" + os_arch + "/libjsig.so"; + env_var = "LD_PRELOAD"; + } + String java_program; + if (Platform.isSolaris()) { + // On Solaris, need to call the 64-bit Java directly in order for + // LD_PRELOAD to work because libjsig.so is 64-bit. + java_program = jdk_path + "/jre/bin/" + os_arch + "/java"; + } else { + java_program = JDKToolFinder.getJDKTool("java"); + } + // If this test fails, these might be useful to know. + System.out.println("libjsig: " + libjsig); + System.out.println("osArch: " + os_arch); + System.out.println("java_program: " + java_program); + + ProcessBuilder pb = new ProcessBuilder(java_program, "-Xcheck:jni", "-version"); + Map<String, String> env = pb.environment(); + env.put(env_var, libjsig); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("libjsig is activated"); + output.shouldHaveExitValue(0); + + pb = new ProcessBuilder(java_program, "-Xcheck:jni", "-verbose:jni", "-version"); + env = pb.environment(); + env.put(env_var, libjsig); + output = new OutputAnalyzer(pb.start()); + output.shouldContain("libjsig is activated"); + output.shouldHaveExitValue(0); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/classFileParserBug/TestEmptyBootstrapMethodsAttr.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2014, 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. + */ + +/* + * @test TestEmptyBootstrapMethodsAttr + * @bug 8041918 + * @library /testlibrary + * @summary Test empty bootstrap_methods table within BootstrapMethods attribute + * @compile TestEmptyBootstrapMethodsAttr.java + * @run main TestEmptyBootstrapMethodsAttr + */ + +import java.io.File; +import com.oracle.java.testlibrary.*; + +public class TestEmptyBootstrapMethodsAttr { + + public static void main(String args[]) throws Throwable { + System.out.println("Regression test for bug 8041918"); + String jarFile = System.getProperty("test.src") + File.separator + "emptynumbootstrapmethods.jar"; + + // ====== extract the test case + ProcessBuilder pb = new ProcessBuilder(new String[] { JDKToolFinder.getJDKTool("jar"), "xvf", jarFile } ); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldHaveExitValue(0); + + // Test case #1: + // Try loading class with empty bootstrap_methods table where no + // other attributes are following BootstrapMethods in attribute table. + String className = "emptynumbootstrapmethods1"; + + // ======= execute test case #1 + // Expect a lack of main method, this implies that the class loaded correctly + // with an empty bootstrap_methods and did not generate a ClassFormatError. + pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("java.lang.ClassFormatError"); + output.shouldContain("Main method not found in class " + className); + output.shouldHaveExitValue(1); + + // Test case #2: + // Try loading class with empty bootstrap_methods table where an + // AnnotationDefault attribute follows the BootstrapMethods in the attribute table. + className = "emptynumbootstrapmethods2"; + + // ======= execute test case #2 + // Expect a lack of main method, this implies that the class loaded correctly + // with an empty bootstrap_methods and did not generate ClassFormatError. + pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("java.lang.ClassFormatError"); + output.shouldContain("Main method not found in class " + className); + output.shouldHaveExitValue(1); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/classFileParserBug/emptynumbootstrapmethods1.jcod Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2014, 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 test contains a BootstrapMethods attribute with an empty + * bootstrap_methods table. This yields a BootstrapMethods + * attribute length of 2 and should not cause a + * java.lang.ClassFormatError to be thrown. + */ +class emptynumbootstrapmethods1 { + 0xCAFEBABE; + 0; // minor version + 51; // version + [12] { // Constant Pool + ; // first element is empty + class #2; // #1 at 0x0A + Utf8 "emptynumbootstrapmethods1"; // #2 at 0x0D + class #4; // #3 at 0x1F + Utf8 "java/lang/Object"; // #4 at 0x22 + MethodHandle 5b #9; // #5 at 0x35 + NameAndType #7 #8; // #6 at 0x39 + Utf8 "equals"; // #7 at 0x3E + Utf8 "(Ljava/lang/Object;)Z"; // #8 at 0x47 + Method #3 #6; // #9 at 0x5F + Utf8 "equalsx"; // #10 at 0x3E + Utf8 "BootstrapMethods"; // #11 at 0x69 + } // Constant Pool + + 0x0001; // access + #1;// this_cpx + #3;// super_cpx + + [0] { // Interfaces + } // Interfaces + + [0] { // fields + } // fields + + [0] { // methods + } // methods + + [1] { // Attributes + Attr(#11, 2) { // BootstrapMethods at 0x8A + [0] { // bootstrap_methods + } + } // end BootstrapMethods + } // Attributes +} // end class atrbsm00101m10p
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/classFileParserBug/emptynumbootstrapmethods2.jcod Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2014, 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 test contains a BootstrapMethods attribute with an empty + * bootstrap_methods table. This yields a BootstrapMethods + * attribute length of 2 and should not cause a + * java.lang.ClassFormatError to be thrown. To ensure that an empty + * bootstrap_methods table is parsed correctly, another attribute, + * AnnotationDefault, follows the BootstrapMethods attribute in + * the attribute table. + */ + +class emptynumbootstrapmethods2 { + 0xCAFEBABE; + 0; // minor version + 51; // version + [14] { // Constant Pool + ; // first element is empty + class #2; // #1 at 0x0A + Utf8 "emptynumbootstrapmethods2"; // #2 at 0x0D + class #4; // #3 at 0x1F + Utf8 "java/lang/Object"; // #4 at 0x22 + MethodHandle 5b #9; // #5 at 0x35 + NameAndType #7 #8; // #6 at 0x39 + Utf8 "equals"; // #7 at 0x3E + Utf8 "(Ljava/lang/Object;)Z"; // #8 at 0x47 + Method #3 #6; // #9 at 0x5F + Utf8 "equalsx"; // #10 at 0x3E + Utf8 "BootstrapMethods"; // #11 at 0x69 + Utf8 "AnnotationDefault"; // #12 + Utf8 "LAnnotationDefaultI;"; // #13 + } // Constant Pool + + 0x0001; // access + #1;// this_cpx + #3;// super_cpx + + [0] { // Interfaces + } // Interfaces + + [0] { // fields + } // fields + + [0] { // methods + } // methods + + [2] { // Attributes + Attr(#11, 2) { // BootstrapMethods at 0x8A + [0] { // bootstrap_methods + } + } // end BootstrapMethods + ; + Attr(#12) { // AnnotationDefault + [] { // type annotations + { // type annotation + 0x00; // target_type + 0x00; // type_parameter_index + []b { // type_path + } + + #13; // type_index + [] { // element_value_pairs + } // element_value_pairs + } // type annotation + } // type annotations + } // end AnnotationDefault + } // Attributes +} // end class atrbsm00101m10p
--- a/test/serviceability/sa/jmap-hashcode/Test8028623.java Mon Sep 08 12:36:58 2014 -0700 +++ b/test/serviceability/sa/jmap-hashcode/Test8028623.java Wed Sep 10 15:38:47 2014 -0700 @@ -26,6 +26,8 @@ * @bug 8028623 * @summary Test hashing of extended characters in Serviceability Agent. * @library /testlibrary + * @compile -encoding utf8 Test8028623.java + * @run main Test8028623 */ import com.oracle.java.testlibrary.JDKToolLauncher;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testlibrary_tests/AssertsTest.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,237 @@ +/* + * Copyright (c) 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 + * 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. + */ + +import static com.oracle.java.testlibrary.Asserts.*; + +/* @test + * @summary Tests the different assertions in the Assert class + * @library /testlibrary + */ +public class AssertsTest { + private static class Foo implements Comparable<Foo> { + final int id; + public Foo(int id) { + this.id = id; + } + + public int compareTo(Foo f) { + return new Integer(id).compareTo(new Integer(f.id)); + } + } + + public static void main(String[] args) throws Exception { + testLessThan(); + testLessThanOrEqual(); + testEquals(); + testGreaterThanOrEqual(); + testGreaterThan(); + testNotEquals(); + testNull(); + testNotNull(); + testTrue(); + testFalse(); + } + + private static void testLessThan() throws Exception { + expectPass(Assertion.LT, 1, 2); + + expectFail(Assertion.LT, 2, 2); + expectFail(Assertion.LT, 2, 1); + expectFail(Assertion.LT, null, 2); + expectFail(Assertion.LT, 2, null); + } + + private static void testLessThanOrEqual() throws Exception { + expectPass(Assertion.LTE, 1, 2); + expectPass(Assertion.LTE, 2, 2); + + expectFail(Assertion.LTE, 3, 2); + expectFail(Assertion.LTE, null, 2); + expectFail(Assertion.LTE, 2, null); + } + + private static void testEquals() throws Exception { + expectPass(Assertion.EQ, 1, 1); + expectPass(Assertion.EQ, null, null); + + Foo f1 = new Foo(1); + expectPass(Assertion.EQ, f1, f1); + + Foo f2 = new Foo(1); + expectFail(Assertion.EQ, f1, f2); + expectFail(Assertion.LTE, null, 2); + expectFail(Assertion.LTE, 2, null); + } + + private static void testGreaterThanOrEqual() throws Exception { + expectPass(Assertion.GTE, 1, 1); + expectPass(Assertion.GTE, 2, 1); + + expectFail(Assertion.GTE, 1, 2); + expectFail(Assertion.GTE, null, 2); + expectFail(Assertion.GTE, 2, null); + } + + private static void testGreaterThan() throws Exception { + expectPass(Assertion.GT, 2, 1); + + expectFail(Assertion.GT, 1, 1); + expectFail(Assertion.GT, 1, 2); + expectFail(Assertion.GT, null, 2); + expectFail(Assertion.GT, 2, null); + } + + private static void testNotEquals() throws Exception { + expectPass(Assertion.NE, null, 1); + expectPass(Assertion.NE, 1, null); + + Foo f1 = new Foo(1); + Foo f2 = new Foo(1); + expectPass(Assertion.NE, f1, f2); + + expectFail(Assertion.NE, null, null); + expectFail(Assertion.NE, f1, f1); + expectFail(Assertion.NE, 1, 1); + } + + private static void testNull() throws Exception { + expectPass(Assertion.NULL, null); + + expectFail(Assertion.NULL, 1); + } + + private static void testNotNull() throws Exception { + expectPass(Assertion.NOTNULL, 1); + + expectFail(Assertion.NOTNULL, null); + } + + private static void testTrue() throws Exception { + expectPass(Assertion.TRUE, true); + + expectFail(Assertion.TRUE, false); + } + + private static void testFalse() throws Exception { + expectPass(Assertion.FALSE, false); + + expectFail(Assertion.FALSE, true); + } + + private static <T extends Comparable<T>> void expectPass(Assertion assertion, T ... args) + throws Exception { + Assertion.run(assertion, args); + } + + private static <T extends Comparable<T>> void expectFail(Assertion assertion, T ... args) + throws Exception { + try { + Assertion.run(assertion, args); + } catch (RuntimeException e) { + return; + } + throw new Exception("Expected " + Assertion.format(assertion, (Object[]) args) + + " to throw a RuntimeException"); + } + +} + +enum Assertion { + LT, LTE, EQ, GTE, GT, NE, NULL, NOTNULL, FALSE, TRUE; + + public static <T extends Comparable<T>> void run(Assertion assertion, T ... args) { + String msg = "Expected " + format(assertion, args) + " to pass"; + switch (assertion) { + case LT: + assertLessThan(args[0], args[1], msg); + break; + case LTE: + assertLessThanOrEqual(args[0], args[1], msg); + break; + case EQ: + assertEquals(args[0], args[1], msg); + break; + case GTE: + assertGreaterThanOrEqual(args[0], args[1], msg); + break; + case GT: + assertGreaterThan(args[0], args[1], msg); + break; + case NE: + assertNotEquals(args[0], args[1], msg); + break; + case NULL: + assertNull(args == null ? args : args[0], msg); + break; + case NOTNULL: + assertNotNull(args == null ? args : args[0], msg); + break; + case FALSE: + assertFalse((Boolean) args[0], msg); + break; + case TRUE: + assertTrue((Boolean) args[0], msg); + break; + default: + // do nothing + } + } + + public static String format(Assertion assertion, Object ... args) { + switch (assertion) { + case LT: + return asString("assertLessThan", args); + case LTE: + return asString("assertLessThanOrEqual", args); + case EQ: + return asString("assertEquals", args); + case GTE: + return asString("assertGreaterThanOrEquals", args); + case GT: + return asString("assertGreaterThan", args); + case NE: + return asString("assertNotEquals", args); + case NULL: + return asString("assertNull", args); + case NOTNULL: + return asString("assertNotNull", args); + case FALSE: + return asString("assertFalse", args); + case TRUE: + return asString("assertTrue", args); + default: + return ""; + } + } + + private static String asString(String assertion, Object ... args) { + if (args == null) { + return String.format("%s(null)", assertion); + } + if (args.length == 1) { + return String.format("%s(%s)", assertion, args[0]); + } else { + return String.format("%s(%s, %s)", assertion, args[0], args[1]); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testlibrary_tests/OutputAnalyzerReportingTest.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,124 @@ +/* + * Copyright (c) 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 + * 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. + */ + + +/* + * @test + * @summary Test the OutputAnalyzer reporting functionality, + * such as printing additional diagnostic info + * (exit code, stdout, stderr, command line, etc.) + * @library /testlibrary + */ + +import java.io.ByteArrayOutputStream; +import java.io.PrintStream; + +import com.oracle.java.testlibrary.OutputAnalyzer; +import com.oracle.java.testlibrary.ProcessTools; + + +public class OutputAnalyzerReportingTest { + + public static void main(String[] args) throws Exception { + // Create the output analyzer under test + String stdout = "aaaaaa"; + String stderr = "bbbbbb"; + OutputAnalyzer output = new OutputAnalyzer(stdout, stderr); + + // Expected summary values should be the same for all cases, + // since the outputAnalyzer object is the same + String expectedExitValue = "-1"; + String expectedSummary = + " stdout: [" + stdout + "];\n" + + " stderr: [" + stderr + "]\n" + + " exitValue = " + expectedExitValue + "\n"; + + + DiagnosticSummaryTestRunner testRunner = + new DiagnosticSummaryTestRunner(); + + // should have exit value + testRunner.init(expectedSummary); + int unexpectedExitValue = 2; + try { + output.shouldHaveExitValue(unexpectedExitValue); + } catch (RuntimeException e) { } + testRunner.closeAndCheckResults(); + + // should not contain + testRunner.init(expectedSummary); + try { + output.shouldNotContain(stdout); + } catch (RuntimeException e) { } + testRunner.closeAndCheckResults(); + + // should contain + testRunner.init(expectedSummary); + try { + output.shouldContain("unexpected-stuff"); + } catch (RuntimeException e) { } + testRunner.closeAndCheckResults(); + + // should not match + testRunner.init(expectedSummary); + try { + output.shouldNotMatch("[a]"); + } catch (RuntimeException e) { } + testRunner.closeAndCheckResults(); + + // should match + testRunner.init(expectedSummary); + try { + output.shouldMatch("[qwerty]"); + } catch (RuntimeException e) { } + testRunner.closeAndCheckResults(); + + } + + private static class DiagnosticSummaryTestRunner { + private ByteArrayOutputStream byteStream = + new ByteArrayOutputStream(10000); + + private String expectedSummary = ""; + private PrintStream errStream; + + + public void init(String expectedSummary) { + this.expectedSummary = expectedSummary; + byteStream.reset(); + errStream = new PrintStream(byteStream); + System.setErr(errStream); + } + + public void closeAndCheckResults() { + // check results + errStream.close(); + String stdErrStr = byteStream.toString(); + if (!stdErrStr.contains(expectedSummary)) { + throw new RuntimeException("The output does not contain " + + "the diagnostic message, or the message is incorrect"); + } + } + } + +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testlibrary_tests/OutputAnalyzerTest.java Wed Sep 10 15:38:47 2014 -0700 @@ -0,0 +1,193 @@ +/* + * Copyright (c) 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 + * 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. + */ + +/* + * @test + * @summary Test the OutputAnalyzer utility class + * @library /testlibrary + */ + +import com.oracle.java.testlibrary.OutputAnalyzer; + +public class OutputAnalyzerTest { + + public static void main(String args[]) throws Exception { + + String stdout = "aaaaaa"; + String stderr = "bbbbbb"; + + // Regexps used for testing pattern matching of the test input + String stdoutPattern = "[a]"; + String stderrPattern = "[b]"; + String nonExistingPattern = "[c]"; + + OutputAnalyzer output = new OutputAnalyzer(stdout, stderr); + + if (!stdout.equals(output.getStdout())) { + throw new Exception("getStdout() returned '" + output.getStdout() + "', expected '" + stdout + "'"); + } + + if (!stderr.equals(output.getStderr())) { + throw new Exception("getStderr() returned '" + output.getStderr() + "', expected '" + stderr + "'"); + } + + try { + output.shouldContain(stdout); + output.stdoutShouldContain(stdout); + output.shouldContain(stderr); + output.stderrShouldContain(stderr); + } catch (RuntimeException e) { + throw new Exception("shouldContain() failed", e); + } + + try { + output.shouldContain("cccc"); + throw new Exception("shouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stdoutShouldContain(stderr); + throw new Exception("stdoutShouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stderrShouldContain(stdout); + throw new Exception("stdoutShouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.shouldNotContain("cccc"); + output.stdoutShouldNotContain("cccc"); + output.stderrShouldNotContain("cccc"); + } catch (RuntimeException e) { + throw new Exception("shouldNotContain() failed", e); + } + + try { + output.shouldNotContain(stdout); + throw new Exception("shouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stdoutShouldNotContain(stdout); + throw new Exception("shouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stderrShouldNotContain(stderr); + throw new Exception("shouldContain() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + // Should match + try { + output.shouldMatch(stdoutPattern); + output.stdoutShouldMatch(stdoutPattern); + output.shouldMatch(stderrPattern); + output.stderrShouldMatch(stderrPattern); + } catch (RuntimeException e) { + throw new Exception("shouldMatch() failed", e); + } + + try { + output.shouldMatch(nonExistingPattern); + throw new Exception("shouldMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stdoutShouldMatch(stderrPattern); + throw new Exception( + "stdoutShouldMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stderrShouldMatch(stdoutPattern); + throw new Exception( + "stderrShouldMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + // Should not match + try { + output.shouldNotMatch(nonExistingPattern); + output.stdoutShouldNotMatch(nonExistingPattern); + output.stderrShouldNotMatch(nonExistingPattern); + } catch (RuntimeException e) { + throw new Exception("shouldNotMatch() failed", e); + } + + try { + output.shouldNotMatch(stdoutPattern); + throw new Exception("shouldNotMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stdoutShouldNotMatch(stdoutPattern); + throw new Exception("shouldNotMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + try { + output.stderrShouldNotMatch(stderrPattern); + throw new Exception("shouldNotMatch() failed to throw exception"); + } catch (RuntimeException e) { + // expected + } + + { + String aaaa = "aaaa"; + String result = output.firstMatch(aaaa); + if (!aaaa.equals(result)) { + throw new Exception("firstMatch(String) faild to match. Expected: " + aaaa + " got: " + result); + } + } + + { + String aa = "aa"; + String aa_grouped_aa = aa + "(" + aa + ")"; + String result = output.firstMatch(aa_grouped_aa, 1); + if (!aa.equals(result)) { + throw new Exception("firstMatch(String, int) failed to match. Expected: " + aa + " got: " + result); + } + } + } +}