Mercurial > hg > truffle
diff src/share/vm/services/psMemoryPool.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/services/psMemoryPool.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +class PSGenerationPool : public CollectedMemoryPool { +private: + PSOldGen* _gen; + +public: + PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); + PSGenerationPool(PSPermGen* pool, const char* name, PoolType type, bool support_usage_threshold); + + MemoryUsage get_memory_usage(); + size_t used_in_bytes() { return _gen->used_in_bytes(); } + size_t max_size() const { return _gen->reserved().byte_size(); } +}; + +class EdenMutableSpacePool : public CollectedMemoryPool { +private: + PSYoungGen* _gen; + MutableSpace* _space; + +public: + EdenMutableSpacePool(PSYoungGen* gen, + MutableSpace* space, + const char* name, + PoolType type, + bool support_usage_threshold); + + MutableSpace* space() { return _space; } + MemoryUsage get_memory_usage(); + size_t used_in_bytes() { return space()->used_in_bytes(); } + size_t max_size() const { + // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces + return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes(); + } +}; + +class SurvivorMutableSpacePool : public CollectedMemoryPool { +private: + PSYoungGen* _gen; + +public: + SurvivorMutableSpacePool(PSYoungGen* gen, + const char* name, + PoolType type, + bool support_usage_threshold); + + MemoryUsage get_memory_usage(); + + size_t used_in_bytes() { + return _gen->from_space()->used_in_bytes(); + } + size_t committed_in_bytes() { + return _gen->from_space()->capacity_in_bytes(); + } + size_t max_size() const { + // Return current committed size of the from-space + return _gen->from_space()->capacity_in_bytes(); + } +};