author | rkennke |
Thu, 30 Nov 2017 13:40:07 +0100 | |
changeset 48168 | cb5d2d4453d0 |
parent 47216 | src/hotspot/share/services/psMemoryPool.cpp@71c04702a3d5 |
child 48196 | 5ee29f4ec472 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "gc/parallel/psMemoryPool.hpp" |
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PSGenerationPool::PSGenerationPool(PSOldGen* old_gen, |
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const char* name, |
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bool support_usage_threshold) : |
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CollectedMemoryPool(name, old_gen->capacity_in_bytes(), |
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old_gen->reserved().byte_size(), support_usage_threshold), _old_gen(old_gen) { |
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} |
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MemoryUsage PSGenerationPool::get_memory_usage() { |
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size_t maxSize = (available_for_allocation() ? max_size() : 0); |
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size_t used = used_in_bytes(); |
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size_t committed = _old_gen->capacity_in_bytes(); |
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return MemoryUsage(initial_size(), used, committed, maxSize); |
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} |
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// The max size of EdenMutableSpacePool = |
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// max size of the PSYoungGen - capacity of two survivor spaces |
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// |
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// Max size of PS eden space is changing due to ergonomic. |
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// PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable. |
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// |
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EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* young_gen, |
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MutableSpace* space, |
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const char* name, |
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bool support_usage_threshold) : |
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CollectedMemoryPool(name, space->capacity_in_bytes(), |
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(young_gen->max_size() - young_gen->from_space()->capacity_in_bytes() - young_gen->to_space()->capacity_in_bytes()), |
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support_usage_threshold), |
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_young_gen(young_gen), |
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_space(space) { |
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} |
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MemoryUsage EdenMutableSpacePool::get_memory_usage() { |
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size_t maxSize = (available_for_allocation() ? max_size() : 0); |
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size_t used = used_in_bytes(); |
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size_t committed = _space->capacity_in_bytes(); |
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return MemoryUsage(initial_size(), used, committed, maxSize); |
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} |
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// The max size of SurvivorMutableSpacePool = |
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// current capacity of the from-space |
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// |
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// PS from and to survivor spaces could have different sizes. |
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// |
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SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* young_gen, |
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const char* name, |
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bool support_usage_threshold) : |
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CollectedMemoryPool(name, young_gen->from_space()->capacity_in_bytes(), |
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young_gen->from_space()->capacity_in_bytes(), |
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support_usage_threshold), _young_gen(young_gen) { |
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} |
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MemoryUsage SurvivorMutableSpacePool::get_memory_usage() { |
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size_t maxSize = (available_for_allocation() ? max_size() : 0); |
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size_t used = used_in_bytes(); |
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size_t committed = committed_in_bytes(); |
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return MemoryUsage(initial_size(), used, committed, maxSize); |
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} |