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; 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 76 static MemoryPool* _metaspace_pool; 77 static MemoryPool* _compressed_class_pool; 78 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 } 86 87 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); 93 94 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h, 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); 122 static void add_g1_heap_info(G1CollectedHeap* g1h); 123 124 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(); 128 129 static MemoryPool* get_memory_pool(instanceHandle pool); 130 static MemoryManager* get_memory_manager(instanceHandle mgr); 131 132 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 } 138 139 static MemoryPool* get_memory_pool(int index) { 140 return _pools_list->at(index); 141 } 142 143 static MemoryManager* get_memory_manager(int index) { 144 return _managers_list->at(index); 145 } 146 147 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_metaspace_memory_usage() { 152 track_memory_pool_usage(_metaspace_pool); 153 } 154 static void track_compressed_class_memory_usage() { 155 track_memory_pool_usage(_compressed_class_pool); 156 } 157 static void track_memory_pool_usage(MemoryPool* pool); 158 159 static void gc_begin(bool fullGC, bool recordGCBeginTime, 160 bool recordAccumulatedGCTime, 161 bool recordPreGCUsage, bool recordPeakUsage); 162 static void gc_end(bool fullGC, bool recordPostGCUsage, 163 bool recordAccumulatedGCTime, 164 bool recordGCEndTime, bool countCollection, 165 GCCause::Cause cause); 166 167 168 static void oops_do(OopClosure* f); 169 | 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; 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 init_code_heap_pools_size = 9 58 }; 59 60 // index for minor and major generations 61 enum { 62 minor = 0, 63 major = 1, 64 n_gens = 2 65 }; 66 67 static GrowableArray<MemoryPool*>* _pools_list; 68 static GrowableArray<MemoryManager*>* _managers_list; 69 70 // memory managers for minor and major GC statistics 71 static GCMemoryManager* _major_gc_manager; 72 static GCMemoryManager* _minor_gc_manager; 73 74 // memory manager and code heap pools for the CodeCache 75 static MemoryManager* _code_cache_manager; 76 static GrowableArray<MemoryPool*>* _code_heap_pools; 77 78 static MemoryPool* _metaspace_pool; 79 static MemoryPool* _compressed_class_pool; 80 81 static void add_generation_memory_pool(Generation* gen, 82 MemoryManager* major_mgr, 83 MemoryManager* minor_mgr); 84 static void add_generation_memory_pool(Generation* gen, 85 MemoryManager* major_mgr) { 86 add_generation_memory_pool(gen, major_mgr, NULL); 87 } 88 89 90 static void add_psYoung_memory_pool(PSYoungGen* gen, 91 MemoryManager* major_mgr, 92 MemoryManager* minor_mgr); 93 static void add_psOld_memory_pool(PSOldGen* gen, 94 MemoryManager* mgr); 95 96 static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h, 108 const char* name, 109 bool is_heap, 110 size_t max_size, 111 bool support_usage_threshold); 112 static MemoryPool* add_gen(Generation* gen, 113 const char* name, 114 bool is_heap, 115 bool support_usage_threshold); 116 static MemoryPool* add_cms_space(CompactibleFreeListSpace* space, 117 const char* name, 118 bool is_heap, 119 size_t max_size, 120 bool support_usage_threshold); 121 122 static void add_gen_collected_heap_info(GenCollectedHeap* heap); 123 static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap); 124 static void add_g1_heap_info(G1CollectedHeap* g1h); 125 126 public: 127 static void set_universe_heap(CollectedHeap* heap); 128 static void add_code_heap_memory_pool(CodeHeap* heap, const char* name); 129 static void add_metaspace_memory_pools(); 130 131 static MemoryPool* get_memory_pool(instanceHandle pool); 132 static MemoryManager* get_memory_manager(instanceHandle mgr); 133 134 static const int num_memory_pools() { 135 return _pools_list->length(); 136 } 137 static const int num_memory_managers() { 138 return _managers_list->length(); 139 } 140 141 static MemoryPool* get_memory_pool(int index) { 142 return _pools_list->at(index); 143 } 144 145 static MemoryManager* get_memory_manager(int index) { 146 return _managers_list->at(index); 147 } 148 149 static void track_memory_usage(); 150 static void track_code_cache_memory_usage() { 151 // Track memory pool usage of all CodeCache memory pools 152 for (int i = 0; i < _code_heap_pools->length(); ++i) { 153 track_memory_pool_usage(_code_heap_pools->at(i)); 154 } 155 } 156 static void track_metaspace_memory_usage() { 157 track_memory_pool_usage(_metaspace_pool); 158 } 159 static void track_compressed_class_memory_usage() { 160 track_memory_pool_usage(_compressed_class_pool); 161 } 162 static void track_memory_pool_usage(MemoryPool* pool); 163 164 static void gc_begin(bool fullGC, bool recordGCBeginTime, 165 bool recordAccumulatedGCTime, 166 bool recordPreGCUsage, bool recordPeakUsage); 167 static void gc_end(bool fullGC, bool recordPostGCUsage, 168 bool recordAccumulatedGCTime, 169 bool recordGCEndTime, bool countCollection, 170 GCCause::Cause cause); 171 172 173 static void oops_do(OopClosure* f); 174 |