1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/services/g1MemoryPool.cpp Fri Nov 20 14:47:01 2009 -0500
1.3 @@ -0,0 +1,153 @@
1.4 +/*
1.5 + * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +# include "incls/_precompiled.incl"
1.29 +# include "incls/_g1MemoryPool.cpp.incl"
1.30 +
1.31 +G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
1.32 + const char* name,
1.33 + size_t init_size,
1.34 + size_t max_size,
1.35 + bool support_usage_threshold) :
1.36 + _g1h(g1h), CollectedMemoryPool(name,
1.37 + MemoryPool::Heap,
1.38 + init_size,
1.39 + max_size,
1.40 + support_usage_threshold) {
1.41 + assert(UseG1GC, "sanity");
1.42 +}
1.43 +
1.44 +// See the comment at the top of g1MemoryPool.hpp
1.45 +size_t G1MemoryPoolSuper::eden_space_committed(G1CollectedHeap* g1h) {
1.46 + return eden_space_used(g1h);
1.47 +}
1.48 +
1.49 +// See the comment at the top of g1MemoryPool.hpp
1.50 +size_t G1MemoryPoolSuper::eden_space_used(G1CollectedHeap* g1h) {
1.51 + size_t young_list_length = g1h->young_list_length();
1.52 + size_t eden_used = young_list_length * HeapRegion::GrainBytes;
1.53 + size_t survivor_used = survivor_space_used(g1h);
1.54 + eden_used = subtract_up_to_zero(eden_used, survivor_used);
1.55 + return eden_used;
1.56 +}
1.57 +
1.58 +// See the comment at the top of g1MemoryPool.hpp
1.59 +size_t G1MemoryPoolSuper::eden_space_max(G1CollectedHeap* g1h) {
1.60 + return eden_space_committed(g1h);
1.61 +}
1.62 +
1.63 +// See the comment at the top of g1MemoryPool.hpp
1.64 +size_t G1MemoryPoolSuper::survivor_space_committed(G1CollectedHeap* g1h) {
1.65 + return survivor_space_used(g1h);
1.66 +}
1.67 +
1.68 +// See the comment at the top of g1MemoryPool.hpp
1.69 +size_t G1MemoryPoolSuper::survivor_space_used(G1CollectedHeap* g1h) {
1.70 + size_t survivor_num = g1h->g1_policy()->recorded_survivor_regions();
1.71 + size_t survivor_used = survivor_num * HeapRegion::GrainBytes;
1.72 + return survivor_used;
1.73 +}
1.74 +
1.75 +// See the comment at the top of g1MemoryPool.hpp
1.76 +size_t G1MemoryPoolSuper::survivor_space_max(G1CollectedHeap* g1h) {
1.77 + return survivor_space_committed(g1h);
1.78 +}
1.79 +
1.80 +// See the comment at the top of g1MemoryPool.hpp
1.81 +size_t G1MemoryPoolSuper::old_space_committed(G1CollectedHeap* g1h) {
1.82 + size_t committed = overall_committed(g1h);
1.83 + size_t eden_committed = eden_space_committed(g1h);
1.84 + size_t survivor_committed = survivor_space_committed(g1h);
1.85 + committed = subtract_up_to_zero(committed, eden_committed);
1.86 + committed = subtract_up_to_zero(committed, survivor_committed);
1.87 + return committed;
1.88 +}
1.89 +
1.90 +// See the comment at the top of g1MemoryPool.hpp
1.91 +size_t G1MemoryPoolSuper::old_space_used(G1CollectedHeap* g1h) {
1.92 + size_t used = overall_used(g1h);
1.93 + size_t eden_used = eden_space_used(g1h);
1.94 + size_t survivor_used = survivor_space_used(g1h);
1.95 + used = subtract_up_to_zero(used, eden_used);
1.96 + used = subtract_up_to_zero(used, survivor_used);
1.97 + return used;
1.98 +}
1.99 +
1.100 +// See the comment at the top of g1MemoryPool.hpp
1.101 +size_t G1MemoryPoolSuper::old_space_max(G1CollectedHeap* g1h) {
1.102 + size_t max = g1h->g1_reserved_obj_bytes();
1.103 + size_t eden_max = eden_space_max(g1h);
1.104 + size_t survivor_max = survivor_space_max(g1h);
1.105 + max = subtract_up_to_zero(max, eden_max);
1.106 + max = subtract_up_to_zero(max, survivor_max);
1.107 + return max;
1.108 +}
1.109 +
1.110 +G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
1.111 + G1MemoryPoolSuper(g1h,
1.112 + "G1 Eden",
1.113 + eden_space_committed(g1h), /* init_size */
1.114 + eden_space_max(g1h), /* max_size */
1.115 + false /* support_usage_threshold */) {
1.116 +}
1.117 +
1.118 +MemoryUsage G1EdenPool::get_memory_usage() {
1.119 + size_t maxSize = max_size();
1.120 + size_t used = used_in_bytes();
1.121 + size_t committed = eden_space_committed();
1.122 +
1.123 + return MemoryUsage(initial_size(), used, committed, maxSize);
1.124 +}
1.125 +
1.126 +G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) :
1.127 + G1MemoryPoolSuper(g1h,
1.128 + "G1 Survivor",
1.129 + survivor_space_committed(g1h), /* init_size */
1.130 + survivor_space_max(g1h), /* max_size */
1.131 + false /* support_usage_threshold */) {
1.132 +}
1.133 +
1.134 +MemoryUsage G1SurvivorPool::get_memory_usage() {
1.135 + size_t maxSize = max_size();
1.136 + size_t used = used_in_bytes();
1.137 + size_t committed = survivor_space_committed();
1.138 +
1.139 + return MemoryUsage(initial_size(), used, committed, maxSize);
1.140 +}
1.141 +
1.142 +G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) :
1.143 + G1MemoryPoolSuper(g1h,
1.144 + "G1 Old Gen",
1.145 + old_space_committed(g1h), /* init_size */
1.146 + old_space_max(g1h), /* max_size */
1.147 + true /* support_usage_threshold */) {
1.148 +}
1.149 +
1.150 +MemoryUsage G1OldGenPool::get_memory_usage() {
1.151 + size_t maxSize = max_size();
1.152 + size_t used = used_in_bytes();
1.153 + size_t committed = old_space_committed();
1.154 +
1.155 + return MemoryUsage(initial_size(), used, committed, maxSize);
1.156 +}
