| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "classfile/systemDictionary.hpp" |
| #include "classfile/vmSymbols.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "runtime/handles.inline.hpp" |
| #include "runtime/javaCalls.hpp" |
| #include "services/lowMemoryDetector.hpp" |
| #include "services/management.hpp" |
| #include "services/memoryManager.hpp" |
| #include "services/psMemoryPool.hpp" |
| |
| PSGenerationPool::PSGenerationPool(PSOldGen* old_gen, |
| const char* name, |
| PoolType type, |
| bool support_usage_threshold) : |
| CollectedMemoryPool(name, type, old_gen->capacity_in_bytes(), |
| old_gen->reserved().byte_size(), support_usage_threshold), _old_gen(old_gen) { |
| } |
| |
| MemoryUsage PSGenerationPool::get_memory_usage() { |
| size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| size_t used = used_in_bytes(); |
| size_t committed = _old_gen->capacity_in_bytes(); |
| |
| return MemoryUsage(initial_size(), used, committed, maxSize); |
| } |
| |
| // The max size of EdenMutableSpacePool = |
| // max size of the PSYoungGen - capacity of two survivor spaces |
| // |
| // Max size of PS eden space is changing due to ergonomic. |
| // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable. |
| // |
| EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* young_gen, |
| MutableSpace* space, |
| const char* name, |
| PoolType type, |
| bool support_usage_threshold) : |
| CollectedMemoryPool(name, type, space->capacity_in_bytes(), |
| (young_gen->max_size() - young_gen->from_space()->capacity_in_bytes() - young_gen->to_space()->capacity_in_bytes()), |
| support_usage_threshold), |
| _young_gen(young_gen), |
| _space(space) { |
| } |
| |
| MemoryUsage EdenMutableSpacePool::get_memory_usage() { |
| size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| size_t used = used_in_bytes(); |
| size_t committed = _space->capacity_in_bytes(); |
| |
| return MemoryUsage(initial_size(), used, committed, maxSize); |
| } |
| |
| // The max size of SurvivorMutableSpacePool = |
| // current capacity of the from-space |
| // |
| // PS from and to survivor spaces could have different sizes. |
| // |
| SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* young_gen, |
| const char* name, |
| PoolType type, |
| bool support_usage_threshold) : |
| CollectedMemoryPool(name, type, young_gen->from_space()->capacity_in_bytes(), |
| young_gen->from_space()->capacity_in_bytes(), |
| support_usage_threshold), _young_gen(young_gen) { |
| } |
| |
| MemoryUsage SurvivorMutableSpacePool::get_memory_usage() { |
| size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| size_t used = used_in_bytes(); |
| size_t committed = committed_in_bytes(); |
| return MemoryUsage(initial_size(), used, committed, maxSize); |
| } |