1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
138 template <class T>
139 void WorkerDataArray<T>::reset() {
140 for (uint i = 0; i < _length; i++) {
141 _data[i] = (T)_uninitialized;
142 }
143 }
144
145 template <class T>
146 void WorkerDataArray<T>::verify() {
147 for (uint i = 0; i < _length; i++) {
148 assert(_data[i] != _uninitialized,
149 err_msg("Invalid data for worker " UINT32_FORMAT ", data: %lf, uninitialized: %lf",
150 i, (double)_data[i], (double)_uninitialized));
151 }
152 }
153
154 #endif
155
156 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
157 _max_gc_threads(max_gc_threads),
158 _min_clear_cc_time_ms(-1.0),
159 _max_clear_cc_time_ms(-1.0),
160 _cur_clear_cc_time_ms(0.0),
161 _cum_clear_cc_time_ms(0.0),
162 _num_cc_clears(0L),
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_obj_copy_times_ms(_max_gc_threads, "%.1lf"),
170 _last_termination_times_ms(_max_gc_threads, "%.1lf"),
171 _last_termination_attempts(_max_gc_threads, SIZE_FORMAT),
172 _last_gc_worker_end_times_ms(_max_gc_threads, "%.1lf", false),
173 _last_gc_worker_times_ms(_max_gc_threads, "%.1lf"),
174 _last_gc_worker_other_times_ms(_max_gc_threads, "%.1lf")
175 {
176 assert(max_gc_threads > 0, "Must have some GC threads");
177 }
178
179 void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
180 assert(active_gc_threads > 0, "The number of threads must be > 0");
181 assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max nubmer of threads");
182 _active_gc_threads = active_gc_threads;
268 _last_obj_copy_times_ms.print(2, "Object Copy (ms)");
269 _last_termination_times_ms.print(2, "Termination (ms)");
270 if (G1Log::finest()) {
271 _last_termination_attempts.print(3, "Termination Attempts");
272 }
273 _last_gc_worker_other_times_ms.print(2, "GC Worker Other (ms)");
274 _last_gc_worker_times_ms.print(2, "GC Worker Total (ms)");
275 _last_gc_worker_end_times_ms.print(2, "GC Worker End (ms)");
276 } else {
277 _last_ext_root_scan_times_ms.print(1, "Ext Root Scanning (ms)");
278 if (_last_satb_filtering_times_ms.sum() > 0.0) {
279 _last_satb_filtering_times_ms.print(1, "SATB Filtering (ms)");
280 }
281 _last_update_rs_times_ms.print(1, "Update RS (ms)");
282 _last_update_rs_processed_buffers.print(2, "Processed Buffers");
283 _last_scan_rs_times_ms.print(1, "Scan RS (ms)");
284 _last_obj_copy_times_ms.print(1, "Object Copy (ms)");
285 }
286 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
287 print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
288 if (Verbose && G1Log::finest()) {
289 print_stats(1, "Cur Clear CC", _cur_clear_cc_time_ms);
290 print_stats(1, "Cum Clear CC", _cum_clear_cc_time_ms);
291 print_stats(1, "Min Clear CC", _min_clear_cc_time_ms);
292 print_stats(1, "Max Clear CC", _max_clear_cc_time_ms);
293 if (_num_cc_clears > 0) {
294 print_stats(1, "Avg Clear CC", _cum_clear_cc_time_ms / ((double)_num_cc_clears));
295 }
296 }
297 double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
298 print_stats(1, "Other", misc_time_ms);
299 if (_cur_verify_before_time_ms > 0.0) {
300 print_stats(2, "Verify Before", _cur_verify_before_time_ms);
301 }
302 print_stats(2, "Choose CSet",
303 (_recorded_young_cset_choice_time_ms +
304 _recorded_non_young_cset_choice_time_ms));
305 print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
306 print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
307 print_stats(2, "Free CSet",
308 (_recorded_young_free_cset_time_ms +
309 _recorded_non_young_free_cset_time_ms));
310 if (_cur_verify_after_time_ms > 0.0) {
311 print_stats(2, "Verify After", _cur_verify_after_time_ms);
312 }
313 }
314
315 void G1GCPhaseTimes::record_cc_clear_time_ms(double ms) {
316 if (!(Verbose && G1Log::finest())) {
317 return;
318 }
319
320 if (_min_clear_cc_time_ms < 0.0 || ms <= _min_clear_cc_time_ms) {
321 _min_clear_cc_time_ms = ms;
322 }
323 if (_max_clear_cc_time_ms < 0.0 || ms >= _max_clear_cc_time_ms) {
324 _max_clear_cc_time_ms = ms;
325 }
326 _cur_clear_cc_time_ms = ms;
327 _cum_clear_cc_time_ms += ms;
328 _num_cc_clears++;
329 }
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1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
138 template <class T>
139 void WorkerDataArray<T>::reset() {
140 for (uint i = 0; i < _length; i++) {
141 _data[i] = (T)_uninitialized;
142 }
143 }
144
145 template <class T>
146 void WorkerDataArray<T>::verify() {
147 for (uint i = 0; i < _length; i++) {
148 assert(_data[i] != _uninitialized,
149 err_msg("Invalid data for worker " UINT32_FORMAT ", data: %lf, uninitialized: %lf",
150 i, (double)_data[i], (double)_uninitialized));
151 }
152 }
153
154 #endif
155
156 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
157 _max_gc_threads(max_gc_threads),
158 _last_gc_worker_start_times_ms(_max_gc_threads, "%.1lf", false),
159 _last_ext_root_scan_times_ms(_max_gc_threads, "%.1lf"),
160 _last_satb_filtering_times_ms(_max_gc_threads, "%.1lf"),
161 _last_update_rs_times_ms(_max_gc_threads, "%.1lf"),
162 _last_update_rs_processed_buffers(_max_gc_threads, "%d"),
163 _last_scan_rs_times_ms(_max_gc_threads, "%.1lf"),
164 _last_obj_copy_times_ms(_max_gc_threads, "%.1lf"),
165 _last_termination_times_ms(_max_gc_threads, "%.1lf"),
166 _last_termination_attempts(_max_gc_threads, SIZE_FORMAT),
167 _last_gc_worker_end_times_ms(_max_gc_threads, "%.1lf", false),
168 _last_gc_worker_times_ms(_max_gc_threads, "%.1lf"),
169 _last_gc_worker_other_times_ms(_max_gc_threads, "%.1lf")
170 {
171 assert(max_gc_threads > 0, "Must have some GC threads");
172 }
173
174 void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
175 assert(active_gc_threads > 0, "The number of threads must be > 0");
176 assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max nubmer of threads");
177 _active_gc_threads = active_gc_threads;
263 _last_obj_copy_times_ms.print(2, "Object Copy (ms)");
264 _last_termination_times_ms.print(2, "Termination (ms)");
265 if (G1Log::finest()) {
266 _last_termination_attempts.print(3, "Termination Attempts");
267 }
268 _last_gc_worker_other_times_ms.print(2, "GC Worker Other (ms)");
269 _last_gc_worker_times_ms.print(2, "GC Worker Total (ms)");
270 _last_gc_worker_end_times_ms.print(2, "GC Worker End (ms)");
271 } else {
272 _last_ext_root_scan_times_ms.print(1, "Ext Root Scanning (ms)");
273 if (_last_satb_filtering_times_ms.sum() > 0.0) {
274 _last_satb_filtering_times_ms.print(1, "SATB Filtering (ms)");
275 }
276 _last_update_rs_times_ms.print(1, "Update RS (ms)");
277 _last_update_rs_processed_buffers.print(2, "Processed Buffers");
278 _last_scan_rs_times_ms.print(1, "Scan RS (ms)");
279 _last_obj_copy_times_ms.print(1, "Object Copy (ms)");
280 }
281 print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
282 print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
283 double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
284 print_stats(1, "Other", misc_time_ms);
285 if (_cur_verify_before_time_ms > 0.0) {
286 print_stats(2, "Verify Before", _cur_verify_before_time_ms);
287 }
288 print_stats(2, "Choose CSet",
289 (_recorded_young_cset_choice_time_ms +
290 _recorded_non_young_cset_choice_time_ms));
291 print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
292 print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
293 print_stats(2, "Free CSet",
294 (_recorded_young_free_cset_time_ms +
295 _recorded_non_young_free_cset_time_ms));
296 if (_cur_verify_after_time_ms > 0.0) {
297 print_stats(2, "Verify After", _cur_verify_after_time_ms);
298 }
299 }
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