110 assert(other != NULL, "just checking");
111 assert(remset() == other->remset(), "just checking");
112 assert(_num_vtimes == other->_num_vtimes, "just checking");
113
114 _num_refined_cards = other->num_concurrent_refined_cards() - _num_refined_cards;
115
116 _num_processed_buf_mutator = other->num_processed_buf_mutator() - _num_processed_buf_mutator;
117 _num_processed_buf_rs_threads = other->num_processed_buf_rs_threads() - _num_processed_buf_rs_threads;
118
119 _num_coarsenings = other->num_coarsenings() - _num_coarsenings;
120
121 for (uint i = 0; i < _num_vtimes; i++) {
122 set_rs_thread_vtime(i, other->rs_thread_vtime(i) - rs_thread_vtime(i));
123 }
124
125 _sampling_thread_vtime = other->sampling_thread_vtime() - _sampling_thread_vtime;
126 }
127
128 class HRRSStatsIter: public HeapRegionClosure {
129 size_t _occupied;
130 size_t _total_mem_sz;
131 size_t _max_mem_sz;
132 HeapRegion* _max_mem_sz_region;
133 public:
134 HRRSStatsIter() :
135 _occupied(0),
136 _total_mem_sz(0),
137 _max_mem_sz(0),
138 _max_mem_sz_region(NULL)
139 {}
140
141 bool doHeapRegion(HeapRegion* r) {
142 size_t mem_sz = r->rem_set()->mem_size();
143 if (mem_sz > _max_mem_sz) {
144 _max_mem_sz = mem_sz;
145 _max_mem_sz_region = r;
146 }
147 _total_mem_sz += mem_sz;
148 size_t occ = r->rem_set()->occupied();
149 _occupied += occ;
150 return false;
151 }
152 size_t total_mem_sz() { return _total_mem_sz; }
153 size_t max_mem_sz() { return _max_mem_sz; }
154 size_t occupied() { return _occupied; }
155 HeapRegion* max_mem_sz_region() { return _max_mem_sz_region; }
156 };
157
158 double calc_percentage(size_t numerator, size_t denominator) {
159 if (denominator != 0) {
160 return (double)numerator / denominator * 100.0;
161 } else {
162 return 0.0f;
163 }
164 }
165
166 void G1RemSetSummary::print_on(outputStream* out) {
167 out->print_cr("\n Concurrent RS processed "SIZE_FORMAT" cards",
168 num_concurrent_refined_cards());
169 out->print_cr(" Of %d completed buffers:", num_processed_buf_total());
170 out->print_cr(" %8d (%5.1f%%) by concurrent RS threads.",
171 num_processed_buf_total(),
172 calc_percentage(num_processed_buf_rs_threads(), num_processed_buf_total()));
173 out->print_cr(" %8d (%5.1f%%) by mutator threads.",
174 num_processed_buf_mutator(),
175 calc_percentage(num_processed_buf_mutator(), num_processed_buf_total()));
176 out->print_cr(" Concurrent RS threads times (s)");
177 out->print(" ");
178 for (uint i = 0; i < _num_vtimes; i++) {
179 out->print(" %5.2f", rs_thread_vtime(i));
180 }
181 out->cr();
182 out->print_cr(" Concurrent sampling threads times (s)");
183 out->print_cr(" %5.2f", sampling_thread_vtime());
184
185 HRRSStatsIter blk;
186 G1CollectedHeap::heap()->heap_region_iterate(&blk);
187 out->print_cr(" Total heap region rem set sizes = "SIZE_FORMAT"K."
188 " Max = "SIZE_FORMAT"K.",
189 blk.total_mem_sz()/K, blk.max_mem_sz()/K);
190 out->print_cr(" Static structures = "SIZE_FORMAT"K,"
191 " free_lists = "SIZE_FORMAT"K.",
192 HeapRegionRemSet::static_mem_size() / K,
193 HeapRegionRemSet::fl_mem_size() / K);
194 out->print_cr(" "SIZE_FORMAT" occupied cards represented.",
195 blk.occupied());
196 HeapRegion* max_mem_sz_region = blk.max_mem_sz_region();
197 HeapRegionRemSet* rem_set = max_mem_sz_region->rem_set();
198 out->print_cr(" Max size region = "HR_FORMAT", "
199 "size = "SIZE_FORMAT "K, occupied = "SIZE_FORMAT"K.",
200 HR_FORMAT_PARAMS(max_mem_sz_region),
201 (rem_set->mem_size() + K - 1)/K,
202 (rem_set->occupied() + K - 1)/K);
203
204 out->print_cr(" Did %d coarsenings.", num_coarsenings());
205 }
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110 assert(other != NULL, "just checking");
111 assert(remset() == other->remset(), "just checking");
112 assert(_num_vtimes == other->_num_vtimes, "just checking");
113
114 _num_refined_cards = other->num_concurrent_refined_cards() - _num_refined_cards;
115
116 _num_processed_buf_mutator = other->num_processed_buf_mutator() - _num_processed_buf_mutator;
117 _num_processed_buf_rs_threads = other->num_processed_buf_rs_threads() - _num_processed_buf_rs_threads;
118
119 _num_coarsenings = other->num_coarsenings() - _num_coarsenings;
120
121 for (uint i = 0; i < _num_vtimes; i++) {
122 set_rs_thread_vtime(i, other->rs_thread_vtime(i) - rs_thread_vtime(i));
123 }
124
125 _sampling_thread_vtime = other->sampling_thread_vtime() - _sampling_thread_vtime;
126 }
127
128 class HRRSStatsIter: public HeapRegionClosure {
129 size_t _occupied;
130
131 size_t _total_rs_mem_sz;
132 size_t _max_rs_mem_sz;
133 HeapRegion* _max_rs_mem_sz_region;
134
135 size_t _total_code_root_mem_sz;
136 size_t _max_code_root_mem_sz;
137 HeapRegion* _max_code_root_mem_sz_region;
138 public:
139 HRRSStatsIter() :
140 _occupied(0),
141 _total_rs_mem_sz(0),
142 _max_rs_mem_sz(0),
143 _max_rs_mem_sz_region(NULL),
144 _total_code_root_mem_sz(0),
145 _max_code_root_mem_sz(0),
146 _max_code_root_mem_sz_region(NULL)
147 {}
148
149 bool doHeapRegion(HeapRegion* r) {
150 HeapRegionRemSet* hrrs = r->rem_set();
151
152 // HeapRegionRemSet::mem_size() includes the
153 // size of the strong code roots
154 size_t rs_mem_sz = hrrs->mem_size();
155 if (rs_mem_sz > _max_rs_mem_sz) {
156 _max_rs_mem_sz = rs_mem_sz;
157 _max_rs_mem_sz_region = r;
158 }
159 _total_rs_mem_sz += rs_mem_sz;
160
161 size_t code_root_mem_sz = hrrs->strong_code_roots_mem_size();
162 if (code_root_mem_sz > _max_code_root_mem_sz) {
163 _max_code_root_mem_sz = code_root_mem_sz;
164 _max_code_root_mem_sz_region = r;
165 }
166 _total_code_root_mem_sz += code_root_mem_sz;
167
168 size_t occ = hrrs->occupied();
169 _occupied += occ;
170 return false;
171 }
172 size_t total_rs_mem_sz() { return _total_rs_mem_sz; }
173 size_t max_rs_mem_sz() { return _max_rs_mem_sz; }
174 HeapRegion* max_rs_mem_sz_region() { return _max_rs_mem_sz_region; }
175 size_t total_code_root_mem_sz() { return _total_code_root_mem_sz; }
176 size_t max_code_root_mem_sz() { return _max_code_root_mem_sz; }
177 HeapRegion* max_code_root_mem_sz_region() { return _max_code_root_mem_sz_region; }
178 size_t occupied() { return _occupied; }
179 };
180
181 double calc_percentage(size_t numerator, size_t denominator) {
182 if (denominator != 0) {
183 return (double)numerator / denominator * 100.0;
184 } else {
185 return 0.0f;
186 }
187 }
188
189 void G1RemSetSummary::print_on(outputStream* out) {
190 out->print_cr("\n Concurrent RS processed "SIZE_FORMAT" cards",
191 num_concurrent_refined_cards());
192 out->print_cr(" Of %d completed buffers:", num_processed_buf_total());
193 out->print_cr(" %8d (%5.1f%%) by concurrent RS threads.",
194 num_processed_buf_total(),
195 calc_percentage(num_processed_buf_rs_threads(), num_processed_buf_total()));
196 out->print_cr(" %8d (%5.1f%%) by mutator threads.",
197 num_processed_buf_mutator(),
198 calc_percentage(num_processed_buf_mutator(), num_processed_buf_total()));
199 out->print_cr(" Concurrent RS threads times (s)");
200 out->print(" ");
201 for (uint i = 0; i < _num_vtimes; i++) {
202 out->print(" %5.2f", rs_thread_vtime(i));
203 }
204 out->cr();
205 out->print_cr(" Concurrent sampling threads times (s)");
206 out->print_cr(" %5.2f", sampling_thread_vtime());
207
208 HRRSStatsIter blk;
209 G1CollectedHeap::heap()->heap_region_iterate(&blk);
210 // RemSet stats
211 out->print_cr(" Total heap region rem set sizes = "SIZE_FORMAT"K."
212 " Max = "SIZE_FORMAT"K.",
213 blk.total_rs_mem_sz()/K, blk.max_rs_mem_sz()/K);
214 out->print_cr(" Static structures = "SIZE_FORMAT"K,"
215 " free_lists = "SIZE_FORMAT"K.",
216 HeapRegionRemSet::static_mem_size() / K,
217 HeapRegionRemSet::fl_mem_size() / K);
218 out->print_cr(" "SIZE_FORMAT" occupied cards represented.",
219 blk.occupied());
220 HeapRegion* max_rs_mem_sz_region = blk.max_rs_mem_sz_region();
221 HeapRegionRemSet* max_rs_rem_set = max_rs_mem_sz_region->rem_set();
222 out->print_cr(" Max size region = "HR_FORMAT", "
223 "size = "SIZE_FORMAT "K, occupied = "SIZE_FORMAT"K.",
224 HR_FORMAT_PARAMS(max_rs_mem_sz_region),
225 (max_rs_rem_set->mem_size() + K - 1)/K,
226 (max_rs_rem_set->occupied() + K - 1)/K);
227 out->print_cr(" Did %d coarsenings.", num_coarsenings());
228 // Strong code root stats
229 out->print_cr(" Total heap region code-root set sizes = "SIZE_FORMAT"K."
230 " Max = "SIZE_FORMAT"K.",
231 blk.total_code_root_mem_sz()/K, blk.max_code_root_mem_sz()/K);
232 HeapRegion* max_code_root_mem_sz_region = blk.max_code_root_mem_sz_region();
233 HeapRegionRemSet* max_code_root_rem_set = max_code_root_mem_sz_region->rem_set();
234 out->print_cr(" Max size region = "HR_FORMAT", "
235 "size = "SIZE_FORMAT "K, num_elems = "SIZE_FORMAT".",
236 HR_FORMAT_PARAMS(max_code_root_mem_sz_region),
237 (max_code_root_rem_set->strong_code_roots_mem_size() + K - 1)/K,
238 (max_code_root_rem_set->strong_code_roots_list_length()));
239 }
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