Mercurial > hg > truffle
annotate src/share/vm/services/memoryService.hpp @ 8825:dbd5837b342f
8000754: NPG: Implement a MemoryPool MXBean for Metaspace
Reviewed-by: jmasa, stefank
author | ehelin |
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date | Fri, 22 Mar 2013 16:10:01 +0100 |
parents | da91efe96a93 |
children | 42e370795a39 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2012, 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 | |
1972 | 25 #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP |
26 #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "memory/generation.hpp" | |
30 #include "runtime/handles.hpp" | |
31 #include "services/memoryUsage.hpp" | |
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32 #include "gc_interface/gcCause.hpp" |
1972 | 33 |
0 | 34 // Forward declaration |
35 class MemoryPool; | |
36 class MemoryManager; | |
37 class GCMemoryManager; | |
38 class CollectedHeap; | |
39 class Generation; | |
40 class DefNewGeneration; | |
41 class PSYoungGen; | |
42 class PSOldGen; | |
43 class CodeHeap; | |
44 class ContiguousSpace; | |
45 class CompactibleFreeListSpace; | |
46 class GenCollectedHeap; | |
47 class ParallelScavengeHeap; | |
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48 class G1CollectedHeap; |
0 | 49 |
50 // VM Monitoring and Management Support | |
51 | |
52 class MemoryService : public AllStatic { | |
53 private: | |
54 enum { | |
55 init_pools_list_size = 10, | |
56 init_managers_list_size = 5 | |
57 }; | |
58 | |
59 // index for minor and major generations | |
60 enum { | |
61 minor = 0, | |
62 major = 1, | |
63 n_gens = 2 | |
64 }; | |
65 | |
66 static GrowableArray<MemoryPool*>* _pools_list; | |
67 static GrowableArray<MemoryManager*>* _managers_list; | |
68 | |
69 // memory managers for minor and major GC statistics | |
70 static GCMemoryManager* _major_gc_manager; | |
71 static GCMemoryManager* _minor_gc_manager; | |
72 | |
73 // Code heap memory pool | |
74 static MemoryPool* _code_heap_pool; | |
75 | |
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76 // Metaspace pools |
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77 static MemoryPool* _metaspace_pool; |
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78 static MemoryPool* _class_metaspace_pool; |
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79 |
0 | 80 static void add_generation_memory_pool(Generation* gen, |
81 MemoryManager* major_mgr, | |
82 MemoryManager* minor_mgr); | |
83 static void add_generation_memory_pool(Generation* gen, | |
84 MemoryManager* major_mgr) { | |
85 add_generation_memory_pool(gen, major_mgr, NULL); | |
86 } | |
87 | |
88 | |
89 static void add_psYoung_memory_pool(PSYoungGen* gen, | |
90 MemoryManager* major_mgr, | |
91 MemoryManager* minor_mgr); | |
92 static void add_psOld_memory_pool(PSOldGen* gen, | |
93 MemoryManager* mgr); | |
94 | |
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95 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h, |
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96 MemoryManager* major_mgr, |
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97 MemoryManager* minor_mgr); |
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98 static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h, |
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99 MemoryManager* mgr); |
0 | 100 |
101 static MemoryPool* add_space(ContiguousSpace* space, | |
102 const char* name, | |
103 bool is_heap, | |
104 size_t max_size, | |
105 bool support_usage_threshold); | |
106 static MemoryPool* add_survivor_spaces(DefNewGeneration* gen, | |
107 const char* name, | |
108 bool is_heap, | |
109 size_t max_size, | |
110 bool support_usage_threshold); | |
111 static MemoryPool* add_gen(Generation* gen, | |
112 const char* name, | |
113 bool is_heap, | |
114 bool support_usage_threshold); | |
115 static MemoryPool* add_cms_space(CompactibleFreeListSpace* space, | |
116 const char* name, | |
117 bool is_heap, | |
118 size_t max_size, | |
119 bool support_usage_threshold); | |
120 | |
121 static void add_gen_collected_heap_info(GenCollectedHeap* heap); | |
122 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap); | |
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123 static void add_g1_heap_info(G1CollectedHeap* g1h); |
0 | 124 |
125 public: | |
126 static void set_universe_heap(CollectedHeap* heap); | |
127 static void add_code_heap_memory_pool(CodeHeap* heap); | |
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128 static void add_metaspace_memory_pools(); |
0 | 129 |
130 static MemoryPool* get_memory_pool(instanceHandle pool); | |
131 static MemoryManager* get_memory_manager(instanceHandle mgr); | |
132 | |
133 static const int num_memory_pools() { | |
134 return _pools_list->length(); | |
135 } | |
136 static const int num_memory_managers() { | |
137 return _managers_list->length(); | |
138 } | |
139 | |
140 static MemoryPool* get_memory_pool(int index) { | |
141 return _pools_list->at(index); | |
142 } | |
143 | |
144 static MemoryManager* get_memory_manager(int index) { | |
145 return _managers_list->at(index); | |
146 } | |
147 | |
148 static void track_memory_usage(); | |
149 static void track_code_cache_memory_usage() { | |
150 track_memory_pool_usage(_code_heap_pool); | |
151 } | |
152 static void track_memory_pool_usage(MemoryPool* pool); | |
153 | |
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154 static void gc_begin(bool fullGC, bool recordGCBeginTime, |
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155 bool recordAccumulatedGCTime, |
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156 bool recordPreGCUsage, bool recordPeakUsage); |
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157 static void gc_end(bool fullGC, bool recordPostGCUsage, |
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158 bool recordAccumulatedGCTime, |
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159 bool recordGCEndTime, bool countCollection, |
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160 GCCause::Cause cause); |
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161 |
0 | 162 |
163 static void oops_do(OopClosure* f); | |
164 | |
165 static bool get_verbose() { return PrintGC; } | |
166 static bool set_verbose(bool verbose); | |
167 | |
168 // Create an instance of java/lang/management/MemoryUsage | |
169 static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS); | |
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170 |
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171 static const GCMemoryManager* get_minor_gc_manager() { |
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172 return _minor_gc_manager; |
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173 } |
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174 |
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175 static const GCMemoryManager* get_major_gc_manager() { |
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176 return _major_gc_manager; |
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177 } |
0 | 178 }; |
179 | |
180 class TraceMemoryManagerStats : public StackObj { | |
181 private: | |
182 bool _fullGC; | |
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183 bool _recordGCBeginTime; |
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184 bool _recordPreGCUsage; |
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185 bool _recordPeakUsage; |
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186 bool _recordPostGCUsage; |
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187 bool _recordAccumulatedGCTime; |
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188 bool _recordGCEndTime; |
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189 bool _countCollection; |
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190 GCCause::Cause _cause; |
0 | 191 public: |
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192 TraceMemoryManagerStats() {} |
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193 TraceMemoryManagerStats(bool fullGC, |
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194 GCCause::Cause cause, |
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195 bool recordGCBeginTime = true, |
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196 bool recordPreGCUsage = true, |
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197 bool recordPeakUsage = true, |
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198 bool recordPostGCUsage = true, |
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199 bool recordAccumulatedGCTime = true, |
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200 bool recordGCEndTime = true, |
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201 bool countCollection = true); |
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202 |
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203 void initialize(bool fullGC, |
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204 GCCause::Cause cause, |
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205 bool recordGCBeginTime, |
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206 bool recordPreGCUsage, |
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207 bool recordPeakUsage, |
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208 bool recordPostGCUsage, |
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209 bool recordAccumulatedGCTime, |
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210 bool recordGCEndTime, |
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211 bool countCollection); |
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212 |
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213 TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause); |
0 | 214 ~TraceMemoryManagerStats(); |
215 }; | |
1972 | 216 |
217 #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP |