Mon, 19 Aug 2013 18:17:58 +0200
8023219: NPG: MetaspaceMemoryPool should report statistics for all of metaspace
Reviewed-by: stefank, sjohanss
1 /*
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25 #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP
26 #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP
28 #include "memory/allocation.hpp"
29 #include "memory/generation.hpp"
30 #include "runtime/handles.hpp"
31 #include "services/memoryUsage.hpp"
32 #include "gc_interface/gcCause.hpp"
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;
48 class G1CollectedHeap;
50 // VM Monitoring and Management Support
52 class MemoryService : public AllStatic {
53 private:
54 enum {
55 init_pools_list_size = 10,
56 init_managers_list_size = 5
57 };
59 // index for minor and major generations
60 enum {
61 minor = 0,
62 major = 1,
63 n_gens = 2
64 };
66 static GrowableArray<MemoryPool*>* _pools_list;
67 static GrowableArray<MemoryManager*>* _managers_list;
69 // memory managers for minor and major GC statistics
70 static GCMemoryManager* _major_gc_manager;
71 static GCMemoryManager* _minor_gc_manager;
73 // Code heap memory pool
74 static MemoryPool* _code_heap_pool;
76 static MemoryPool* _metaspace_pool;
77 static MemoryPool* _compressed_class_pool;
79 static void add_generation_memory_pool(Generation* gen,
80 MemoryManager* major_mgr,
81 MemoryManager* minor_mgr);
82 static void add_generation_memory_pool(Generation* gen,
83 MemoryManager* major_mgr) {
84 add_generation_memory_pool(gen, major_mgr, NULL);
85 }
88 static void add_psYoung_memory_pool(PSYoungGen* gen,
89 MemoryManager* major_mgr,
90 MemoryManager* minor_mgr);
91 static void add_psOld_memory_pool(PSOldGen* gen,
92 MemoryManager* mgr);
94 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
95 MemoryManager* major_mgr,
96 MemoryManager* minor_mgr);
97 static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
98 MemoryManager* mgr);
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);
120 static void add_gen_collected_heap_info(GenCollectedHeap* heap);
121 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
122 static void add_g1_heap_info(G1CollectedHeap* g1h);
124 public:
125 static void set_universe_heap(CollectedHeap* heap);
126 static void add_code_heap_memory_pool(CodeHeap* heap);
127 static void add_metaspace_memory_pools();
129 static MemoryPool* get_memory_pool(instanceHandle pool);
130 static MemoryManager* get_memory_manager(instanceHandle mgr);
132 static const int num_memory_pools() {
133 return _pools_list->length();
134 }
135 static const int num_memory_managers() {
136 return _managers_list->length();
137 }
139 static MemoryPool* get_memory_pool(int index) {
140 return _pools_list->at(index);
141 }
143 static MemoryManager* get_memory_manager(int index) {
144 return _managers_list->at(index);
145 }
147 static void track_memory_usage();
148 static void track_code_cache_memory_usage() {
149 track_memory_pool_usage(_code_heap_pool);
150 }
151 static void track_memory_pool_usage(MemoryPool* pool);
153 static void gc_begin(bool fullGC, bool recordGCBeginTime,
154 bool recordAccumulatedGCTime,
155 bool recordPreGCUsage, bool recordPeakUsage);
156 static void gc_end(bool fullGC, bool recordPostGCUsage,
157 bool recordAccumulatedGCTime,
158 bool recordGCEndTime, bool countCollection,
159 GCCause::Cause cause);
162 static void oops_do(OopClosure* f);
164 static bool get_verbose() { return PrintGC; }
165 static bool set_verbose(bool verbose);
167 // Create an instance of java/lang/management/MemoryUsage
168 static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
170 static const GCMemoryManager* get_minor_gc_manager() {
171 return _minor_gc_manager;
172 }
174 static const GCMemoryManager* get_major_gc_manager() {
175 return _major_gc_manager;
176 }
177 };
179 class TraceMemoryManagerStats : public StackObj {
180 private:
181 bool _fullGC;
182 bool _recordGCBeginTime;
183 bool _recordPreGCUsage;
184 bool _recordPeakUsage;
185 bool _recordPostGCUsage;
186 bool _recordAccumulatedGCTime;
187 bool _recordGCEndTime;
188 bool _countCollection;
189 GCCause::Cause _cause;
190 public:
191 TraceMemoryManagerStats() {}
192 TraceMemoryManagerStats(bool fullGC,
193 GCCause::Cause cause,
194 bool recordGCBeginTime = true,
195 bool recordPreGCUsage = true,
196 bool recordPeakUsage = true,
197 bool recordPostGCUsage = true,
198 bool recordAccumulatedGCTime = true,
199 bool recordGCEndTime = true,
200 bool countCollection = true);
202 void initialize(bool fullGC,
203 GCCause::Cause cause,
204 bool recordGCBeginTime,
205 bool recordPreGCUsage,
206 bool recordPeakUsage,
207 bool recordPostGCUsage,
208 bool recordAccumulatedGCTime,
209 bool recordGCEndTime,
210 bool countCollection);
212 TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause);
213 ~TraceMemoryManagerStats();
214 };
216 #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP