annotate src/share/vm/services/psMemoryPool.hpp @ 470:ad8c8ca4ab0f

6785258: Update copyright year Summary: Update copyright for files that have been modified starting July 2008 to Dec 2008 Reviewed-by: katleman, ohair, tbell
author xdono
date Mon, 15 Dec 2008 16:55:11 -0800
parents
children c18cbe5936b8
rev   line source
duke@0 1 /*
duke@0 2 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
duke@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@0 4 *
duke@0 5 * This code is free software; you can redistribute it and/or modify it
duke@0 6 * under the terms of the GNU General Public License version 2 only, as
duke@0 7 * published by the Free Software Foundation.
duke@0 8 *
duke@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@0 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@0 13 * accompanied this code).
duke@0 14 *
duke@0 15 * You should have received a copy of the GNU General Public License version
duke@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@0 18 *
duke@0 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@0 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@0 21 * have any questions.
duke@0 22 *
duke@0 23 */
duke@0 24
duke@0 25 class PSGenerationPool : public CollectedMemoryPool {
duke@0 26 private:
duke@0 27 PSOldGen* _gen;
duke@0 28
duke@0 29 public:
duke@0 30 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
duke@0 31 PSGenerationPool(PSPermGen* pool, const char* name, PoolType type, bool support_usage_threshold);
duke@0 32
duke@0 33 MemoryUsage get_memory_usage();
duke@0 34 size_t used_in_bytes() { return _gen->used_in_bytes(); }
duke@0 35 size_t max_size() const { return _gen->reserved().byte_size(); }
duke@0 36 };
duke@0 37
duke@0 38 class EdenMutableSpacePool : public CollectedMemoryPool {
duke@0 39 private:
duke@0 40 PSYoungGen* _gen;
duke@0 41 MutableSpace* _space;
duke@0 42
duke@0 43 public:
duke@0 44 EdenMutableSpacePool(PSYoungGen* gen,
duke@0 45 MutableSpace* space,
duke@0 46 const char* name,
duke@0 47 PoolType type,
duke@0 48 bool support_usage_threshold);
duke@0 49
duke@0 50 MutableSpace* space() { return _space; }
duke@0 51 MemoryUsage get_memory_usage();
duke@0 52 size_t used_in_bytes() { return space()->used_in_bytes(); }
duke@0 53 size_t max_size() const {
duke@0 54 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
duke@0 55 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
duke@0 56 }
duke@0 57 };
duke@0 58
duke@0 59 class SurvivorMutableSpacePool : public CollectedMemoryPool {
duke@0 60 private:
duke@0 61 PSYoungGen* _gen;
duke@0 62
duke@0 63 public:
duke@0 64 SurvivorMutableSpacePool(PSYoungGen* gen,
duke@0 65 const char* name,
duke@0 66 PoolType type,
duke@0 67 bool support_usage_threshold);
duke@0 68
duke@0 69 MemoryUsage get_memory_usage();
duke@0 70
duke@0 71 size_t used_in_bytes() {
duke@0 72 return _gen->from_space()->used_in_bytes();
duke@0 73 }
duke@0 74 size_t committed_in_bytes() {
duke@0 75 return _gen->from_space()->capacity_in_bytes();
duke@0 76 }
duke@0 77 size_t max_size() const {
duke@0 78 // Return current committed size of the from-space
duke@0 79 return _gen->from_space()->capacity_in_bytes();
duke@0 80 }
duke@0 81 };