Mercurial > hg > graal-compiler
annotate src/share/vm/services/memoryService.hpp @ 1703:f6f3eef8a521
6581734: CMS Old Gen's collection usage is zero after GC which is incorrect
Summary: Management code enabled for use by a concurrent collector.
Reviewed-by: mchung, ysr
| author | kevinw |
|---|---|
| date | Fri, 30 Jul 2010 22:43:50 +0100 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 // Forward declaration | |
| 26 class MemoryPool; | |
| 27 class MemoryManager; | |
| 28 class GCMemoryManager; | |
| 29 class CollectedHeap; | |
| 30 class Generation; | |
| 31 class DefNewGeneration; | |
| 32 class PSYoungGen; | |
| 33 class PSOldGen; | |
| 34 class PSPermGen; | |
| 35 class CodeHeap; | |
| 36 class ContiguousSpace; | |
| 37 class CompactibleFreeListSpace; | |
| 38 class PermanentGenerationSpec; | |
| 39 class GenCollectedHeap; | |
| 40 class ParallelScavengeHeap; | |
| 41 class CompactingPermGenGen; | |
| 42 class CMSPermGenGen; | |
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43 class G1CollectedHeap; |
| 0 | 44 |
| 45 // VM Monitoring and Management Support | |
| 46 | |
| 47 class MemoryService : public AllStatic { | |
| 48 private: | |
| 49 enum { | |
| 50 init_pools_list_size = 10, | |
| 51 init_managers_list_size = 5 | |
| 52 }; | |
| 53 | |
| 54 // index for minor and major generations | |
| 55 enum { | |
| 56 minor = 0, | |
| 57 major = 1, | |
| 58 n_gens = 2 | |
| 59 }; | |
| 60 | |
| 61 static GrowableArray<MemoryPool*>* _pools_list; | |
| 62 static GrowableArray<MemoryManager*>* _managers_list; | |
| 63 | |
| 64 // memory managers for minor and major GC statistics | |
| 65 static GCMemoryManager* _major_gc_manager; | |
| 66 static GCMemoryManager* _minor_gc_manager; | |
| 67 | |
| 68 // Code heap memory pool | |
| 69 static MemoryPool* _code_heap_pool; | |
| 70 | |
| 71 static void add_generation_memory_pool(Generation* gen, | |
| 72 MemoryManager* major_mgr, | |
| 73 MemoryManager* minor_mgr); | |
| 74 static void add_generation_memory_pool(Generation* gen, | |
| 75 MemoryManager* major_mgr) { | |
| 76 add_generation_memory_pool(gen, major_mgr, NULL); | |
| 77 } | |
| 78 | |
| 79 static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen, | |
| 80 MemoryManager* mgr); | |
| 81 static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen, | |
| 82 MemoryManager* mgr); | |
| 83 | |
| 84 static void add_psYoung_memory_pool(PSYoungGen* gen, | |
| 85 MemoryManager* major_mgr, | |
| 86 MemoryManager* minor_mgr); | |
| 87 static void add_psOld_memory_pool(PSOldGen* gen, | |
| 88 MemoryManager* mgr); | |
| 89 static void add_psPerm_memory_pool(PSPermGen* perm, | |
| 90 MemoryManager* mgr); | |
| 91 | |
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92 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h, |
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93 MemoryManager* major_mgr, |
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94 MemoryManager* minor_mgr); |
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95 static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h, |
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96 MemoryManager* mgr); |
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97 static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h, |
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98 MemoryManager* mgr); |
| 0 | 99 |
| 100 static MemoryPool* add_space(ContiguousSpace* space, | |
| 101 const char* name, | |
| 102 bool is_heap, | |
| 103 size_t max_size, | |
| 104 bool support_usage_threshold); | |
| 105 static MemoryPool* add_survivor_spaces(DefNewGeneration* gen, | |
| 106 const char* name, | |
| 107 bool is_heap, | |
| 108 size_t max_size, | |
| 109 bool support_usage_threshold); | |
| 110 static MemoryPool* add_gen(Generation* gen, | |
| 111 const char* name, | |
| 112 bool is_heap, | |
| 113 bool support_usage_threshold); | |
| 114 static MemoryPool* add_cms_space(CompactibleFreeListSpace* space, | |
| 115 const char* name, | |
| 116 bool is_heap, | |
| 117 size_t max_size, | |
| 118 bool support_usage_threshold); | |
| 119 | |
| 120 static void add_gen_collected_heap_info(GenCollectedHeap* heap); | |
| 121 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap); | |
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122 static void add_g1_heap_info(G1CollectedHeap* g1h); |
| 0 | 123 |
| 124 public: | |
| 125 static void set_universe_heap(CollectedHeap* heap); | |
| 126 static void add_code_heap_memory_pool(CodeHeap* heap); | |
| 127 | |
| 128 static MemoryPool* get_memory_pool(instanceHandle pool); | |
| 129 static MemoryManager* get_memory_manager(instanceHandle mgr); | |
| 130 | |
| 131 static const int num_memory_pools() { | |
| 132 return _pools_list->length(); | |
| 133 } | |
| 134 static const int num_memory_managers() { | |
| 135 return _managers_list->length(); | |
| 136 } | |
| 137 | |
| 138 static MemoryPool* get_memory_pool(int index) { | |
| 139 return _pools_list->at(index); | |
| 140 } | |
| 141 | |
| 142 static MemoryManager* get_memory_manager(int index) { | |
| 143 return _managers_list->at(index); | |
| 144 } | |
| 145 | |
| 146 static void track_memory_usage(); | |
| 147 static void track_code_cache_memory_usage() { | |
| 148 track_memory_pool_usage(_code_heap_pool); | |
| 149 } | |
| 150 static void track_memory_pool_usage(MemoryPool* pool); | |
| 151 | |
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152 static void gc_begin(bool fullGC, bool recordGCBeginTime, |
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153 bool recordAccumulatedGCTime, |
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154 bool recordPreGCUsage, bool recordPeakUsage); |
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155 static void gc_end(bool fullGC, bool recordPostGCUsage, |
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156 bool recordAccumulatedGCTime, |
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157 bool recordGCEndTime, bool countCollection); |
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158 |
| 0 | 159 |
| 160 static void oops_do(OopClosure* f); | |
| 161 | |
| 162 static bool get_verbose() { return PrintGC; } | |
| 163 static bool set_verbose(bool verbose); | |
| 164 | |
| 165 // Create an instance of java/lang/management/MemoryUsage | |
| 166 static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS); | |
| 167 }; | |
| 168 | |
| 169 class TraceMemoryManagerStats : public StackObj { | |
| 170 private: | |
| 171 bool _fullGC; | |
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172 bool _recordGCBeginTime; |
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173 bool _recordPreGCUsage; |
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174 bool _recordPeakUsage; |
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175 bool _recordPostGCUsage; |
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176 bool _recordAccumulatedGCTime; |
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177 bool _recordGCEndTime; |
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178 bool _countCollection; |
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179 |
| 0 | 180 public: |
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181 TraceMemoryManagerStats() {} |
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182 TraceMemoryManagerStats(bool fullGC, |
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183 bool recordGCBeginTime = true, |
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184 bool recordPreGCUsage = true, |
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185 bool recordPeakUsage = true, |
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186 bool recordPostGCUsage = true, |
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187 bool recordAccumulatedGCTime = true, |
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188 bool recordGCEndTime = true, |
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189 bool countCollection = true); |
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190 |
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191 void initialize(bool fullGC, |
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192 bool recordGCBeginTime, |
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193 bool recordPreGCUsage, |
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194 bool recordPeakUsage, |
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195 bool recordPostGCUsage, |
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196 bool recordAccumulatedGCTime, |
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197 bool recordGCEndTime, |
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198 bool countCollection); |
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199 |
| 0 | 200 TraceMemoryManagerStats(Generation::Name kind); |
| 201 ~TraceMemoryManagerStats(); | |
| 202 }; |