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src/share/vm/services/psMemoryPool.cpp@710a3c8b516e (annotated)
src/share/vm/services/psMemoryPool.cpp
Tue, 08 Aug 2017 15:57:29 +0800
- author
- aoqi
- date
- Tue, 08 Aug 2017 15:57:29 +0800
- changeset 6876
- 710a3c8b516e
- parent 4037
- da91efe96a93
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #include "precompiled.hpp" |
| aoqi@0 | 26 | #include "classfile/systemDictionary.hpp" |
| aoqi@0 | 27 | #include "classfile/vmSymbols.hpp" |
| aoqi@0 | 28 | #include "oops/oop.inline.hpp" |
| aoqi@0 | 29 | #include "runtime/handles.inline.hpp" |
| aoqi@0 | 30 | #include "runtime/javaCalls.hpp" |
| aoqi@0 | 31 | #include "services/lowMemoryDetector.hpp" |
| aoqi@0 | 32 | #include "services/management.hpp" |
| aoqi@0 | 33 | #include "services/memoryManager.hpp" |
| aoqi@0 | 34 | #include "services/psMemoryPool.hpp" |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | PSGenerationPool::PSGenerationPool(PSOldGen* gen, |
| aoqi@0 | 37 | const char* name, |
| aoqi@0 | 38 | PoolType type, |
| aoqi@0 | 39 | bool support_usage_threshold) : |
| aoqi@0 | 40 | CollectedMemoryPool(name, type, gen->capacity_in_bytes(), |
| aoqi@0 | 41 | gen->reserved().byte_size(), support_usage_threshold), _gen(gen) { |
| aoqi@0 | 42 | } |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | MemoryUsage PSGenerationPool::get_memory_usage() { |
| aoqi@0 | 45 | size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| aoqi@0 | 46 | size_t used = used_in_bytes(); |
| aoqi@0 | 47 | size_t committed = _gen->capacity_in_bytes(); |
| aoqi@0 | 48 | |
| aoqi@0 | 49 | return MemoryUsage(initial_size(), used, committed, maxSize); |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | // The max size of EdenMutableSpacePool = |
| aoqi@0 | 53 | // max size of the PSYoungGen - capacity of two survivor spaces |
| aoqi@0 | 54 | // |
| aoqi@0 | 55 | // Max size of PS eden space is changing due to ergonomic. |
| aoqi@0 | 56 | // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable. |
| aoqi@0 | 57 | // |
| aoqi@0 | 58 | EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* gen, |
| aoqi@0 | 59 | MutableSpace* space, |
| aoqi@0 | 60 | const char* name, |
| aoqi@0 | 61 | PoolType type, |
| aoqi@0 | 62 | bool support_usage_threshold) : |
| aoqi@0 | 63 | CollectedMemoryPool(name, type, space->capacity_in_bytes(), |
| aoqi@0 | 64 | (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()), |
| aoqi@0 | 65 | support_usage_threshold), |
| aoqi@0 | 66 | _gen(gen), _space(space) { |
| aoqi@0 | 67 | } |
| aoqi@0 | 68 | |
| aoqi@0 | 69 | MemoryUsage EdenMutableSpacePool::get_memory_usage() { |
| aoqi@0 | 70 | size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| aoqi@0 | 71 | size_t used = used_in_bytes(); |
| aoqi@0 | 72 | size_t committed = _space->capacity_in_bytes(); |
| aoqi@0 | 73 | |
| aoqi@0 | 74 | return MemoryUsage(initial_size(), used, committed, maxSize); |
| aoqi@0 | 75 | } |
| aoqi@0 | 76 | |
| aoqi@0 | 77 | // The max size of SurvivorMutableSpacePool = |
| aoqi@0 | 78 | // current capacity of the from-space |
| aoqi@0 | 79 | // |
| aoqi@0 | 80 | // PS from and to survivor spaces could have different sizes. |
| aoqi@0 | 81 | // |
| aoqi@0 | 82 | SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* gen, |
| aoqi@0 | 83 | const char* name, |
| aoqi@0 | 84 | PoolType type, |
| aoqi@0 | 85 | bool support_usage_threshold) : |
| aoqi@0 | 86 | CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(), |
| aoqi@0 | 87 | gen->from_space()->capacity_in_bytes(), |
| aoqi@0 | 88 | support_usage_threshold), _gen(gen) { |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | |
| aoqi@0 | 91 | MemoryUsage SurvivorMutableSpacePool::get_memory_usage() { |
| aoqi@0 | 92 | size_t maxSize = (available_for_allocation() ? max_size() : 0); |
| aoqi@0 | 93 | size_t used = used_in_bytes(); |
| aoqi@0 | 94 | size_t committed = committed_in_bytes(); |
| aoqi@0 | 95 | return MemoryUsage(initial_size(), used, committed, maxSize); |
| aoqi@0 | 96 | } |
