150 template <class T>
151 void WorkerDataArray<T>::verify() {
152 for (uint i = 0; i < _length; i++) {
153 assert(_data[i] != _uninitialized,
154 err_msg("Invalid data for worker %u, data: %lf, uninitialized: %lf",
155 i, (double)_data[i], (double)_uninitialized));
156 }
157 }
158
159 #endif
160
161 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
162 _max_gc_threads(max_gc_threads),
163 _last_gc_worker_start_times_ms(_max_gc_threads, "%.1lf", false),
164 _last_ext_root_scan_times_ms(_max_gc_threads, "%.1lf"),
165 _last_satb_filtering_times_ms(_max_gc_threads, "%.1lf"),
166 _last_update_rs_times_ms(_max_gc_threads, "%.1lf"),
167 _last_update_rs_processed_buffers(_max_gc_threads, "%d"),
168 _last_scan_rs_times_ms(_max_gc_threads, "%.1lf"),
169 _last_strong_code_root_scan_times_ms(_max_gc_threads, "%.1lf"),
170 _last_strong_code_root_mark_times_ms(_max_gc_threads, "%.1lf"),
171 _last_obj_copy_times_ms(_max_gc_threads, "%.1lf"),
172 _last_termination_times_ms(_max_gc_threads, "%.1lf"),
173 _last_termination_attempts(_max_gc_threads, SIZE_FORMAT),
174 _last_gc_worker_end_times_ms(_max_gc_threads, "%.1lf", false),
175 _last_gc_worker_times_ms(_max_gc_threads, "%.1lf"),
176 _last_gc_worker_other_times_ms(_max_gc_threads, "%.1lf"),
177 _last_redirty_logged_cards_time_ms(_max_gc_threads, "%.1lf"),
178 _last_redirty_logged_cards_processed_cards(_max_gc_threads, SIZE_FORMAT),
179 _cur_string_dedup_queue_fixup_worker_times_ms(_max_gc_threads, "%.1lf"),
180 _cur_string_dedup_table_fixup_worker_times_ms(_max_gc_threads, "%.1lf")
181 {
182 assert(max_gc_threads > 0, "Must have some GC threads");
183 }
184
185 void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
186 assert(active_gc_threads > 0, "The number of threads must be > 0");
187 assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max nubmer of threads");
188 _active_gc_threads = active_gc_threads;
189
190 _last_gc_worker_start_times_ms.reset();
191 _last_ext_root_scan_times_ms.reset();
192 _last_satb_filtering_times_ms.reset();
193 _last_update_rs_times_ms.reset();
194 _last_update_rs_processed_buffers.reset();
195 _last_scan_rs_times_ms.reset();
196 _last_strong_code_root_scan_times_ms.reset();
197 _last_strong_code_root_mark_times_ms.reset();
198 _last_obj_copy_times_ms.reset();
199 _last_termination_times_ms.reset();
200 _last_termination_attempts.reset();
201 _last_gc_worker_end_times_ms.reset();
202 _last_gc_worker_times_ms.reset();
203 _last_gc_worker_other_times_ms.reset();
204
205 _last_redirty_logged_cards_time_ms.reset();
206 _last_redirty_logged_cards_processed_cards.reset();
207
208 }
209
210 void G1GCPhaseTimes::note_gc_end() {
211 _last_gc_worker_start_times_ms.verify();
212 _last_ext_root_scan_times_ms.verify();
213 _last_satb_filtering_times_ms.verify();
214 _last_update_rs_times_ms.verify();
215 _last_update_rs_processed_buffers.verify();
216 _last_scan_rs_times_ms.verify();
217 _last_strong_code_root_scan_times_ms.verify();
218 _last_strong_code_root_mark_times_ms.verify();
219 _last_obj_copy_times_ms.verify();
220 _last_termination_times_ms.verify();
221 _last_termination_attempts.verify();
222 _last_gc_worker_end_times_ms.verify();
223
224 for (uint i = 0; i < _active_gc_threads; i++) {
225 double worker_time = _last_gc_worker_end_times_ms.get(i) - _last_gc_worker_start_times_ms.get(i);
226 _last_gc_worker_times_ms.set(i, worker_time);
227
228 double worker_known_time = _last_ext_root_scan_times_ms.get(i) +
229 _last_satb_filtering_times_ms.get(i) +
230 _last_update_rs_times_ms.get(i) +
231 _last_scan_rs_times_ms.get(i) +
232 _last_strong_code_root_scan_times_ms.get(i) +
233 _last_strong_code_root_mark_times_ms.get(i) +
234 _last_obj_copy_times_ms.get(i) +
235 _last_termination_times_ms.get(i);
236
237 double worker_other_time = worker_time - worker_known_time;
238 _last_gc_worker_other_times_ms.set(i, worker_other_time);
239 }
240
241 _last_gc_worker_times_ms.verify();
242 _last_gc_worker_other_times_ms.verify();
243
244 _last_redirty_logged_cards_time_ms.verify();
245 _last_redirty_logged_cards_processed_cards.verify();
246 }
247
248 void G1GCPhaseTimes::note_string_dedup_fixup_start() {
249 _cur_string_dedup_queue_fixup_worker_times_ms.reset();
250 _cur_string_dedup_table_fixup_worker_times_ms.reset();
251 }
252
253 void G1GCPhaseTimes::note_string_dedup_fixup_end() {
285 }
286
287 // Subtract the time taken to clean the card table from the
288 // current value of "other time"
289 misc_time_ms += _cur_clear_ct_time_ms;
290
291 return misc_time_ms;
292 }
293
294 void G1GCPhaseTimes::print(double pause_time_sec) {
295 if (_root_region_scan_wait_time_ms > 0.0) {
296 print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
297 }
298 if (G1CollectedHeap::use_parallel_gc_threads()) {
299 print_stats(1, "Parallel Time", _cur_collection_par_time_ms, _active_gc_threads);
300 _last_gc_worker_start_times_ms.print(2, "GC Worker Start (ms)");
301 _last_ext_root_scan_times_ms.print(2, "Ext Root Scanning (ms)");
302 if (_last_satb_filtering_times_ms.sum() > 0.0) {
303 _last_satb_filtering_times_ms.print(2, "SATB Filtering (ms)");
304 }
305 if (_last_strong_code_root_mark_times_ms.sum() > 0.0) {
306 _last_strong_code_root_mark_times_ms.print(2, "Code Root Marking (ms)");
307 }
308 _last_update_rs_times_ms.print(2, "Update RS (ms)");
309 _last_update_rs_processed_buffers.print(3, "Processed Buffers");
310 _last_scan_rs_times_ms.print(2, "Scan RS (ms)");
311 _last_strong_code_root_scan_times_ms.print(2, "Code Root Scanning (ms)");
312 _last_obj_copy_times_ms.print(2, "Object Copy (ms)");
313 _last_termination_times_ms.print(2, "Termination (ms)");
314 if (G1Log::finest()) {
315 _last_termination_attempts.print(3, "Termination Attempts");
316 }
317 _last_gc_worker_other_times_ms.print(2, "GC Worker Other (ms)");
318 _last_gc_worker_times_ms.print(2, "GC Worker Total (ms)");
319 _last_gc_worker_end_times_ms.print(2, "GC Worker End (ms)");
320 } else {
321 _last_ext_root_scan_times_ms.print(1, "Ext Root Scanning (ms)");
322 if (_last_satb_filtering_times_ms.sum() > 0.0) {
323 _last_satb_filtering_times_ms.print(1, "SATB Filtering (ms)");
324 }
325 if (_last_strong_code_root_mark_times_ms.sum() > 0.0) {
326 _last_strong_code_root_mark_times_ms.print(1, "Code Root Marking (ms)");
327 }
328 _last_update_rs_times_ms.print(1, "Update RS (ms)");
329 _last_update_rs_processed_buffers.print(2, "Processed Buffers");
330 _last_scan_rs_times_ms.print(1, "Scan RS (ms)");
331 _last_strong_code_root_scan_times_ms.print(1, "Code Root Scanning (ms)");
332 _last_obj_copy_times_ms.print(1, "Object Copy (ms)");
333 }
334 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
335 print_stats(1, "Code Root Migration", _cur_strong_code_root_migration_time_ms);
336 print_stats(1, "Code Root Purge", _cur_strong_code_root_purge_time_ms);
337 if (G1StringDedup::is_enabled()) {
338 print_stats(1, "String Dedup Fixup", _cur_string_dedup_fixup_time_ms, _active_gc_threads);
339 _cur_string_dedup_queue_fixup_worker_times_ms.print(2, "Queue Fixup (ms)");
340 _cur_string_dedup_table_fixup_worker_times_ms.print(2, "Table Fixup (ms)");
341 }
342 print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
343 double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
344 print_stats(1, "Other", misc_time_ms);
345 if (_cur_verify_before_time_ms > 0.0) {
346 print_stats(2, "Verify Before", _cur_verify_before_time_ms);
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150 template <class T>
151 void WorkerDataArray<T>::verify() {
152 for (uint i = 0; i < _length; i++) {
153 assert(_data[i] != _uninitialized,
154 err_msg("Invalid data for worker %u, data: %lf, uninitialized: %lf",
155 i, (double)_data[i], (double)_uninitialized));
156 }
157 }
158
159 #endif
160
161 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
162 _max_gc_threads(max_gc_threads),
163 _last_gc_worker_start_times_ms(_max_gc_threads, "%.1lf", false),
164 _last_ext_root_scan_times_ms(_max_gc_threads, "%.1lf"),
165 _last_satb_filtering_times_ms(_max_gc_threads, "%.1lf"),
166 _last_update_rs_times_ms(_max_gc_threads, "%.1lf"),
167 _last_update_rs_processed_buffers(_max_gc_threads, "%d"),
168 _last_scan_rs_times_ms(_max_gc_threads, "%.1lf"),
169 _last_strong_code_root_scan_times_ms(_max_gc_threads, "%.1lf"),
170 _last_obj_copy_times_ms(_max_gc_threads, "%.1lf"),
171 _last_termination_times_ms(_max_gc_threads, "%.1lf"),
172 _last_termination_attempts(_max_gc_threads, SIZE_FORMAT),
173 _last_gc_worker_end_times_ms(_max_gc_threads, "%.1lf", false),
174 _last_gc_worker_times_ms(_max_gc_threads, "%.1lf"),
175 _last_gc_worker_other_times_ms(_max_gc_threads, "%.1lf"),
176 _last_redirty_logged_cards_time_ms(_max_gc_threads, "%.1lf"),
177 _last_redirty_logged_cards_processed_cards(_max_gc_threads, SIZE_FORMAT),
178 _cur_string_dedup_queue_fixup_worker_times_ms(_max_gc_threads, "%.1lf"),
179 _cur_string_dedup_table_fixup_worker_times_ms(_max_gc_threads, "%.1lf")
180 {
181 assert(max_gc_threads > 0, "Must have some GC threads");
182 }
183
184 void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
185 assert(active_gc_threads > 0, "The number of threads must be > 0");
186 assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max nubmer of threads");
187 _active_gc_threads = active_gc_threads;
188
189 _last_gc_worker_start_times_ms.reset();
190 _last_ext_root_scan_times_ms.reset();
191 _last_satb_filtering_times_ms.reset();
192 _last_update_rs_times_ms.reset();
193 _last_update_rs_processed_buffers.reset();
194 _last_scan_rs_times_ms.reset();
195 _last_strong_code_root_scan_times_ms.reset();
196 _last_obj_copy_times_ms.reset();
197 _last_termination_times_ms.reset();
198 _last_termination_attempts.reset();
199 _last_gc_worker_end_times_ms.reset();
200 _last_gc_worker_times_ms.reset();
201 _last_gc_worker_other_times_ms.reset();
202
203 _last_redirty_logged_cards_time_ms.reset();
204 _last_redirty_logged_cards_processed_cards.reset();
205
206 }
207
208 void G1GCPhaseTimes::note_gc_end() {
209 _last_gc_worker_start_times_ms.verify();
210 _last_ext_root_scan_times_ms.verify();
211 _last_satb_filtering_times_ms.verify();
212 _last_update_rs_times_ms.verify();
213 _last_update_rs_processed_buffers.verify();
214 _last_scan_rs_times_ms.verify();
215 _last_strong_code_root_scan_times_ms.verify();
216 _last_obj_copy_times_ms.verify();
217 _last_termination_times_ms.verify();
218 _last_termination_attempts.verify();
219 _last_gc_worker_end_times_ms.verify();
220
221 for (uint i = 0; i < _active_gc_threads; i++) {
222 double worker_time = _last_gc_worker_end_times_ms.get(i) - _last_gc_worker_start_times_ms.get(i);
223 _last_gc_worker_times_ms.set(i, worker_time);
224
225 double worker_known_time = _last_ext_root_scan_times_ms.get(i) +
226 _last_satb_filtering_times_ms.get(i) +
227 _last_update_rs_times_ms.get(i) +
228 _last_scan_rs_times_ms.get(i) +
229 _last_strong_code_root_scan_times_ms.get(i) +
230 _last_obj_copy_times_ms.get(i) +
231 _last_termination_times_ms.get(i);
232
233 double worker_other_time = worker_time - worker_known_time;
234 _last_gc_worker_other_times_ms.set(i, worker_other_time);
235 }
236
237 _last_gc_worker_times_ms.verify();
238 _last_gc_worker_other_times_ms.verify();
239
240 _last_redirty_logged_cards_time_ms.verify();
241 _last_redirty_logged_cards_processed_cards.verify();
242 }
243
244 void G1GCPhaseTimes::note_string_dedup_fixup_start() {
245 _cur_string_dedup_queue_fixup_worker_times_ms.reset();
246 _cur_string_dedup_table_fixup_worker_times_ms.reset();
247 }
248
249 void G1GCPhaseTimes::note_string_dedup_fixup_end() {
281 }
282
283 // Subtract the time taken to clean the card table from the
284 // current value of "other time"
285 misc_time_ms += _cur_clear_ct_time_ms;
286
287 return misc_time_ms;
288 }
289
290 void G1GCPhaseTimes::print(double pause_time_sec) {
291 if (_root_region_scan_wait_time_ms > 0.0) {
292 print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
293 }
294 if (G1CollectedHeap::use_parallel_gc_threads()) {
295 print_stats(1, "Parallel Time", _cur_collection_par_time_ms, _active_gc_threads);
296 _last_gc_worker_start_times_ms.print(2, "GC Worker Start (ms)");
297 _last_ext_root_scan_times_ms.print(2, "Ext Root Scanning (ms)");
298 if (_last_satb_filtering_times_ms.sum() > 0.0) {
299 _last_satb_filtering_times_ms.print(2, "SATB Filtering (ms)");
300 }
301 _last_update_rs_times_ms.print(2, "Update RS (ms)");
302 _last_update_rs_processed_buffers.print(3, "Processed Buffers");
303 _last_scan_rs_times_ms.print(2, "Scan RS (ms)");
304 _last_strong_code_root_scan_times_ms.print(2, "Code Root Scanning (ms)");
305 _last_obj_copy_times_ms.print(2, "Object Copy (ms)");
306 _last_termination_times_ms.print(2, "Termination (ms)");
307 if (G1Log::finest()) {
308 _last_termination_attempts.print(3, "Termination Attempts");
309 }
310 _last_gc_worker_other_times_ms.print(2, "GC Worker Other (ms)");
311 _last_gc_worker_times_ms.print(2, "GC Worker Total (ms)");
312 _last_gc_worker_end_times_ms.print(2, "GC Worker End (ms)");
313 } else {
314 _last_ext_root_scan_times_ms.print(1, "Ext Root Scanning (ms)");
315 if (_last_satb_filtering_times_ms.sum() > 0.0) {
316 _last_satb_filtering_times_ms.print(1, "SATB Filtering (ms)");
317 }
318 _last_update_rs_times_ms.print(1, "Update RS (ms)");
319 _last_update_rs_processed_buffers.print(2, "Processed Buffers");
320 _last_scan_rs_times_ms.print(1, "Scan RS (ms)");
321 _last_strong_code_root_scan_times_ms.print(1, "Code Root Scanning (ms)");
322 _last_obj_copy_times_ms.print(1, "Object Copy (ms)");
323 }
324 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
325 print_stats(1, "Code Root Migration", _cur_strong_code_root_migration_time_ms);
326 print_stats(1, "Code Root Purge", _cur_strong_code_root_purge_time_ms);
327 if (G1StringDedup::is_enabled()) {
328 print_stats(1, "String Dedup Fixup", _cur_string_dedup_fixup_time_ms, _active_gc_threads);
329 _cur_string_dedup_queue_fixup_worker_times_ms.print(2, "Queue Fixup (ms)");
330 _cur_string_dedup_table_fixup_worker_times_ms.print(2, "Table Fixup (ms)");
331 }
332 print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
333 double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
334 print_stats(1, "Other", misc_time_ms);
335 if (_cur_verify_before_time_ms > 0.0) {
336 print_stats(2, "Verify Before", _cur_verify_before_time_ms);
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