Mercurial > hg > truffle
diff src/share/vm/services/psMemoryPool.cpp @ 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.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,96 @@ +/* + * 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. + * + */ + +# include "incls/_precompiled.incl" +# include "incls/_psMemoryPool.cpp.incl" + +PSGenerationPool::PSGenerationPool(PSOldGen* gen, + const char* name, + PoolType type, + bool support_usage_threshold) : + CollectedMemoryPool(name, type, gen->capacity_in_bytes(), + gen->reserved().byte_size(), support_usage_threshold), _gen(gen) { +} + +PSGenerationPool::PSGenerationPool(PSPermGen* gen, + const char* name, + PoolType type, + bool support_usage_threshold) : + CollectedMemoryPool(name, type, gen->capacity_in_bytes(), + gen->reserved().byte_size(), support_usage_threshold), _gen(gen) { +} + +MemoryUsage PSGenerationPool::get_memory_usage() { + size_t maxSize = (available_for_allocation() ? max_size() : 0); + size_t used = used_in_bytes(); + size_t committed = _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* gen, + MutableSpace* space, + const char* name, + PoolType type, + bool support_usage_threshold) : + CollectedMemoryPool(name, type, space->capacity_in_bytes(), + (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()), + support_usage_threshold), + _gen(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* gen, + const char* name, + PoolType type, + bool support_usage_threshold) : + CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(), + gen->from_space()->capacity_in_bytes(), + support_usage_threshold), _gen(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); +}