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annotate src/share/vm/services/memoryService.hpp @ 4006:436b4a3231bf

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7098194: integrate macosx-port changes Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29. Reviewed-by: kvn, dholmes, never, phh Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.com>
author dcubed
date Thu, 13 Oct 2011 09:35:42 -0700
parents 78542e2b5e35
children da91efe96a93
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1 /*
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP
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26 #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP
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27
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28 #include "memory/allocation.hpp"
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29 #include "memory/generation.hpp"
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30 #include "runtime/handles.hpp"
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31 #include "services/memoryUsage.hpp"
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32 #include "gc_interface/gcCause.hpp"
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33
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34 // Forward declaration
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35 class MemoryPool;
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36 class MemoryManager;
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37 class GCMemoryManager;
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38 class CollectedHeap;
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39 class Generation;
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40 class DefNewGeneration;
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41 class PSYoungGen;
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42 class PSOldGen;
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43 class PSPermGen;
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44 class CodeHeap;
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45 class ContiguousSpace;
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46 class CompactibleFreeListSpace;
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47 class PermanentGenerationSpec;
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48 class GenCollectedHeap;
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49 class ParallelScavengeHeap;
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50 class CompactingPermGenGen;
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51 class CMSPermGenGen;
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52 class G1CollectedHeap;
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53
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54 // VM Monitoring and Management Support
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55
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56 class MemoryService : public AllStatic {
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57 private:
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58 enum {
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59 init_pools_list_size = 10,
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60 init_managers_list_size = 5
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61 };
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62
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63 // index for minor and major generations
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64 enum {
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65 minor = 0,
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66 major = 1,
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67 n_gens = 2
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68 };
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69
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70 static GrowableArray<MemoryPool*>* _pools_list;
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71 static GrowableArray<MemoryManager*>* _managers_list;
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72
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73 // memory managers for minor and major GC statistics
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74 static GCMemoryManager* _major_gc_manager;
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75 static GCMemoryManager* _minor_gc_manager;
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76
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77 // Code heap memory pool
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78 static MemoryPool* _code_heap_pool;
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79
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80 static void add_generation_memory_pool(Generation* gen,
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81 MemoryManager* major_mgr,
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82 MemoryManager* minor_mgr);
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83 static void add_generation_memory_pool(Generation* gen,
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84 MemoryManager* major_mgr) {
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85 add_generation_memory_pool(gen, major_mgr, NULL);
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86 }
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87
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88 static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
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89 MemoryManager* mgr);
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90 static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
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91 MemoryManager* mgr);
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92
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93 static void add_psYoung_memory_pool(PSYoungGen* gen,
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94 MemoryManager* major_mgr,
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95 MemoryManager* minor_mgr);
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96 static void add_psOld_memory_pool(PSOldGen* gen,
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97 MemoryManager* mgr);
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98 static void add_psPerm_memory_pool(PSPermGen* perm,
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99 MemoryManager* mgr);
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100
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101 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
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102 MemoryManager* major_mgr,
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103 MemoryManager* minor_mgr);
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104 static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
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105 MemoryManager* mgr);
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106 static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h,
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107 MemoryManager* mgr);
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108
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109 static MemoryPool* add_space(ContiguousSpace* space,
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110 const char* name,
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111 bool is_heap,
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112 size_t max_size,
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113 bool support_usage_threshold);
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114 static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
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115 const char* name,
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116 bool is_heap,
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117 size_t max_size,
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118 bool support_usage_threshold);
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119 static MemoryPool* add_gen(Generation* gen,
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120 const char* name,
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121 bool is_heap,
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122 bool support_usage_threshold);
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123 static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
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124 const char* name,
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125 bool is_heap,
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126 size_t max_size,
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127 bool support_usage_threshold);
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128
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129 static void add_gen_collected_heap_info(GenCollectedHeap* heap);
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130 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
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131 static void add_g1_heap_info(G1CollectedHeap* g1h);
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132
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133 public:
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134 static void set_universe_heap(CollectedHeap* heap);
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135 static void add_code_heap_memory_pool(CodeHeap* heap);
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136
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137 static MemoryPool* get_memory_pool(instanceHandle pool);
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138 static MemoryManager* get_memory_manager(instanceHandle mgr);
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139
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140 static const int num_memory_pools() {
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141 return _pools_list->length();
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142 }
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143 static const int num_memory_managers() {
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144 return _managers_list->length();
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145 }
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146
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147 static MemoryPool* get_memory_pool(int index) {
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148 return _pools_list->at(index);
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149 }
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150
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151 static MemoryManager* get_memory_manager(int index) {
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152 return _managers_list->at(index);
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153 }
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154
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155 static void track_memory_usage();
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156 static void track_code_cache_memory_usage() {
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157 track_memory_pool_usage(_code_heap_pool);
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158 }
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159 static void track_memory_pool_usage(MemoryPool* pool);
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160
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161 static void gc_begin(bool fullGC, bool recordGCBeginTime,
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162 bool recordAccumulatedGCTime,
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163 bool recordPreGCUsage, bool recordPeakUsage);
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164 static void gc_end(bool fullGC, bool recordPostGCUsage,
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165 bool recordAccumulatedGCTime,
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166 bool recordGCEndTime, bool countCollection,
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167 GCCause::Cause cause);
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168
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169
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170 static void oops_do(OopClosure* f);
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171
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172 static bool get_verbose() { return PrintGC; }
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173 static bool set_verbose(bool verbose);
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174
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175 // Create an instance of java/lang/management/MemoryUsage
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176 static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
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177
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178 static const GCMemoryManager* get_minor_gc_manager() {
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179 return _minor_gc_manager;
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180 }
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181
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182 static const GCMemoryManager* get_major_gc_manager() {
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183 return _major_gc_manager;
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184 }
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185 };
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186
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187 class TraceMemoryManagerStats : public StackObj {
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188 private:
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189 bool _fullGC;
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190 bool _recordGCBeginTime;
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191 bool _recordPreGCUsage;
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192 bool _recordPeakUsage;
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193 bool _recordPostGCUsage;
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194 bool _recordAccumulatedGCTime;
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195 bool _recordGCEndTime;
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196 bool _countCollection;
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197 GCCause::Cause _cause;
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198 public:
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199 TraceMemoryManagerStats() {}
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200 TraceMemoryManagerStats(bool fullGC,
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201 GCCause::Cause cause,
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202 bool recordGCBeginTime = true,
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203 bool recordPreGCUsage = true,
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204 bool recordPeakUsage = true,
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205 bool recordPostGCUsage = true,
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206 bool recordAccumulatedGCTime = true,
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207 bool recordGCEndTime = true,
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208 bool countCollection = true);
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209
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210 void initialize(bool fullGC,
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211 GCCause::Cause cause,
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212 bool recordGCBeginTime,
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213 bool recordPreGCUsage,
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214 bool recordPeakUsage,
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215 bool recordPostGCUsage,
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216 bool recordAccumulatedGCTime,
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217 bool recordGCEndTime,
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218 bool countCollection);
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219
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220 TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause);
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221 ~TraceMemoryManagerStats();
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222 };
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223
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224 #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP