98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/*
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* Copyright (c) 2007, 2013, 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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#ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
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#define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
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#include "utilities/macros.hpp"
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#if INCLUDE_ALL_GCS
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#include "gc_implementation/parallelScavenge/psOldGen.hpp"
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#include "gc_implementation/parallelScavenge/psYoungGen.hpp"
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#include "gc_implementation/shared/mutableSpace.hpp"
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#include "memory/defNewGeneration.hpp"
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#include "memory/heap.hpp"
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#include "memory/space.hpp"
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#include "services/memoryPool.hpp"
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#include "services/memoryUsage.hpp"
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#endif // INCLUDE_ALL_GCS
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class PSGenerationPool : public CollectedMemoryPool {
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private:
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PSOldGen* _gen;
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public:
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PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
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MemoryUsage get_memory_usage();
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size_t used_in_bytes() { return _gen->used_in_bytes(); }
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size_t max_size() const { return _gen->reserved().byte_size(); }
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};
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class EdenMutableSpacePool : public CollectedMemoryPool {
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private:
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PSYoungGen* _gen;
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MutableSpace* _space;
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public:
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EdenMutableSpacePool(PSYoungGen* gen,
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MutableSpace* space,
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const char* name,
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PoolType type,
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bool support_usage_threshold);
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MutableSpace* space() { return _space; }
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MemoryUsage get_memory_usage();
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size_t used_in_bytes() { return space()->used_in_bytes(); }
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size_t max_size() const {
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// Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
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return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
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}
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};
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class SurvivorMutableSpacePool : public CollectedMemoryPool {
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private:
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PSYoungGen* _gen;
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public:
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SurvivorMutableSpacePool(PSYoungGen* gen,
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const char* name,
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PoolType type,
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bool support_usage_threshold);
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MemoryUsage get_memory_usage();
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size_t used_in_bytes() {
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return _gen->from_space()->used_in_bytes();
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}
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size_t committed_in_bytes() {
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return _gen->from_space()->capacity_in_bytes();
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}
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size_t max_size() const {
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// Return current committed size of the from-space
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return _gen->from_space()->capacity_in_bytes();
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}
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};
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#endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
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