154 inline MallocMemory* by_type(MEMFLAGS flags) {
155 int index = NMTUtil::flag_to_index(flags);
156 return &_malloc[index];
157 }
158
159 inline MallocMemory* by_index(int index) {
160 assert(index >= 0, "Index out of bound");
161 assert(index < mt_number_of_types, "Index out of bound");
162 return &_malloc[index];
163 }
164
165 inline MemoryCounter* malloc_overhead() {
166 return &_tracking_header;
167 }
168
169 // Total malloc'd memory amount
170 size_t total() const;
171 // Total malloc'd memory used by arenas
172 size_t total_arena() const;
173
174 inline size_t thread_count() {
175 return by_type(mtThreadStack)->malloc_count();
176 }
177
178 void reset();
179
180 void copy_to(MallocMemorySnapshot* s) {
181 s->_tracking_header = _tracking_header;
182 for (int index = 0; index < mt_number_of_types; index ++) {
183 s->_malloc[index] = _malloc[index];
184 }
185 }
186
187 // Make adjustment by subtracting chunks used by arenas
188 // from total chunks to get total free chunk size
189 void make_adjustment();
190 };
191
192 /*
193 * This class is for collecting malloc statistics at summary level
194 */
195 class MallocMemorySummary : AllStatic {
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154 inline MallocMemory* by_type(MEMFLAGS flags) {
155 int index = NMTUtil::flag_to_index(flags);
156 return &_malloc[index];
157 }
158
159 inline MallocMemory* by_index(int index) {
160 assert(index >= 0, "Index out of bound");
161 assert(index < mt_number_of_types, "Index out of bound");
162 return &_malloc[index];
163 }
164
165 inline MemoryCounter* malloc_overhead() {
166 return &_tracking_header;
167 }
168
169 // Total malloc'd memory amount
170 size_t total() const;
171 // Total malloc'd memory used by arenas
172 size_t total_arena() const;
173
174 inline size_t thread_count() const {
175 MallocMemorySnapshot* s = const_cast<MallocMemorySnapshot*>(this);
176 return s->by_type(mtThreadStack)->malloc_count();
177 }
178
179 void reset();
180
181 void copy_to(MallocMemorySnapshot* s) {
182 s->_tracking_header = _tracking_header;
183 for (int index = 0; index < mt_number_of_types; index ++) {
184 s->_malloc[index] = _malloc[index];
185 }
186 }
187
188 // Make adjustment by subtracting chunks used by arenas
189 // from total chunks to get total free chunk size
190 void make_adjustment();
191 };
192
193 /*
194 * This class is for collecting malloc statistics at summary level
195 */
196 class MallocMemorySummary : AllStatic {
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