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view src/os/linux/vm/osContainer_linux.hpp @ 10887:ccaca70e893c
8217338: [Containers] Improve systemd slice memory limit support
Summary: Use hierachical memory limit in addition to memory_limits_in_bytes
Reviewed-by: bobv, dholmes
author | sgehwolf |
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date | Tue, 12 Mar 2019 10:43:27 +0100 |
parents | 22ec1c43273b |
children |
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/* * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_LINUX_VM_OSCONTAINER_LINUX_HPP #define OS_LINUX_VM_OSCONTAINER_LINUX_HPP #include "utilities/globalDefinitions.hpp" #include "utilities/macros.hpp" #include "memory/allocation.hpp" #define OSCONTAINER_ERROR (-2) // 20ms timeout between re-reads of _active_processor_count. #define OSCONTAINER_CACHE_TIMEOUT (NANOSECS_PER_SEC/50) class OSContainer: AllStatic { private: static bool _is_initialized; static bool _is_containerized; static int _active_processor_count; public: static void init(); static inline bool is_containerized(); static const char * container_type(); static jlong uses_mem_hierarchy(); static jlong memory_limit_in_bytes(); static jlong memory_and_swap_limit_in_bytes(); static jlong memory_soft_limit_in_bytes(); static jlong memory_usage_in_bytes(); static jlong memory_max_usage_in_bytes(); static int active_processor_count(); static char * cpu_cpuset_cpus(); static char * cpu_cpuset_memory_nodes(); static int cpu_quota(); static int cpu_period(); static int cpu_shares(); }; inline bool OSContainer::is_containerized() { assert(_is_initialized, "OSContainer not initialized"); return _is_containerized; } #endif // OS_LINUX_VM_OSCONTAINER_LINUX_HPP