1 /*
2 * Copyright (c) 2013, 2018, 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 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/g1/g1CollectedHeap.inline.hpp"
27 #include "gc/g1/g1GCPhaseTimes.hpp"
28 #include "gc/g1/g1HotCardCache.hpp"
29 #include "gc/g1/g1ParScanThreadState.inline.hpp"
30 #include "gc/g1/g1StringDedup.hpp"
31 #include "gc/shared/gcTimer.hpp"
32 #include "gc/shared/workerDataArray.inline.hpp"
33 #include "memory/resourceArea.hpp"
34 #include "logging/log.hpp"
35 #include "logging/logStream.hpp"
36 #include "runtime/timer.hpp"
37 #include "runtime/os.hpp"
38 #include "utilities/macros.hpp"
39
40 static const char* Indents[5] = {"", " ", " ", " ", " "};
41
42 G1GCPhaseTimes::G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads) :
43 _max_gc_threads(max_gc_threads),
44 _gc_start_counter(0),
45 _gc_pause_time_ms(0.0),
46 _ref_phase_times(gc_timer, max_gc_threads),
47 _weak_phase_times(max_gc_threads)
48 {
49 assert(max_gc_threads > 0, "Must have some GC threads");
50
51 _gc_par_phases[GCWorkerStart] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Start (ms):");
52 _gc_par_phases[ExtRootScan] = new WorkerDataArray<double>(max_gc_threads, "Ext Root Scanning (ms):");
53
54 // Root scanning phases
55 _gc_par_phases[ThreadRoots] = new WorkerDataArray<double>(max_gc_threads, "Thread Roots (ms):");
56 _gc_par_phases[StringTableRoots] = new WorkerDataArray<double>(max_gc_threads, "StringTable Roots (ms):");
57 _gc_par_phases[UniverseRoots] = new WorkerDataArray<double>(max_gc_threads, "Universe Roots (ms):");
58 _gc_par_phases[JNIRoots] = new WorkerDataArray<double>(max_gc_threads, "JNI Handles Roots (ms):");
59 _gc_par_phases[ObjectSynchronizerRoots] = new WorkerDataArray<double>(max_gc_threads, "ObjectSynchronizer Roots (ms):");
60 _gc_par_phases[ManagementRoots] = new WorkerDataArray<double>(max_gc_threads, "Management Roots (ms):");
61 _gc_par_phases[SystemDictionaryRoots] = new WorkerDataArray<double>(max_gc_threads, "SystemDictionary Roots (ms):");
62 _gc_par_phases[CLDGRoots] = new WorkerDataArray<double>(max_gc_threads, "CLDG Roots (ms):");
63 _gc_par_phases[JVMTIRoots] = new WorkerDataArray<double>(max_gc_threads, "JVMTI Roots (ms):");
64 _gc_par_phases[CMRefRoots] = new WorkerDataArray<double>(max_gc_threads, "CM RefProcessor Roots (ms):");
65 _gc_par_phases[WaitForStrongCLD] = new WorkerDataArray<double>(max_gc_threads, "Wait For Strong CLD (ms):");
66 _gc_par_phases[WeakCLDRoots] = new WorkerDataArray<double>(max_gc_threads, "Weak CLD Roots (ms):");
67 _gc_par_phases[SATBFiltering] = new WorkerDataArray<double>(max_gc_threads, "SATB Filtering (ms):");
68
69 _gc_par_phases[UpdateRS] = new WorkerDataArray<double>(max_gc_threads, "Update RS (ms):");
70 if (G1HotCardCache::default_use_cache()) {
71 _gc_par_phases[ScanHCC] = new WorkerDataArray<double>(max_gc_threads, "Scan HCC (ms):");
72 } else {
73 _gc_par_phases[ScanHCC] = NULL;
74 }
75 _gc_par_phases[ScanRS] = new WorkerDataArray<double>(max_gc_threads, "Scan RS (ms):");
76 _gc_par_phases[CodeRoots] = new WorkerDataArray<double>(max_gc_threads, "Code Root Scanning (ms):");
77 #if INCLUDE_AOT
78 _gc_par_phases[AOTCodeRoots] = new WorkerDataArray<double>(max_gc_threads, "AOT Root Scanning (ms):");
79 #endif
80 _gc_par_phases[ObjCopy] = new WorkerDataArray<double>(max_gc_threads, "Object Copy (ms):");
81 _gc_par_phases[Termination] = new WorkerDataArray<double>(max_gc_threads, "Termination (ms):");
82 _gc_par_phases[GCWorkerTotal] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Total (ms):");
83 _gc_par_phases[GCWorkerEnd] = new WorkerDataArray<double>(max_gc_threads, "GC Worker End (ms):");
84 _gc_par_phases[Other] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Other (ms):");
85
86 _scan_rs_scanned_cards = new WorkerDataArray<size_t>(max_gc_threads, "Scanned Cards:");
87 _gc_par_phases[ScanRS]->link_thread_work_items(_scan_rs_scanned_cards, ScanRSScannedCards);
88 _scan_rs_claimed_cards = new WorkerDataArray<size_t>(max_gc_threads, "Claimed Cards:");
89 _gc_par_phases[ScanRS]->link_thread_work_items(_scan_rs_claimed_cards, ScanRSClaimedCards);
90 _scan_rs_skipped_cards = new WorkerDataArray<size_t>(max_gc_threads, "Skipped Cards:");
91 _gc_par_phases[ScanRS]->link_thread_work_items(_scan_rs_skipped_cards, ScanRSSkippedCards);
92
93 _update_rs_processed_buffers = new WorkerDataArray<size_t>(max_gc_threads, "Processed Buffers:");
94 _gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_processed_buffers, UpdateRSProcessedBuffers);
95 _update_rs_scanned_cards = new WorkerDataArray<size_t>(max_gc_threads, "Scanned Cards:");
96 _gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_scanned_cards, UpdateRSScannedCards);
97 _update_rs_skipped_cards = new WorkerDataArray<size_t>(max_gc_threads, "Skipped Cards:");
98 _gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_skipped_cards, ScanRSSkippedCards);
99
100 _termination_attempts = new WorkerDataArray<size_t>(max_gc_threads, "Termination Attempts:");
101 _gc_par_phases[Termination]->link_thread_work_items(_termination_attempts);
102
103 if (UseStringDeduplication) {
104 _gc_par_phases[StringDedupQueueFixup] = new WorkerDataArray<double>(max_gc_threads, "Queue Fixup (ms):");
105 _gc_par_phases[StringDedupTableFixup] = new WorkerDataArray<double>(max_gc_threads, "Table Fixup (ms):");
106 } else {
107 _gc_par_phases[StringDedupQueueFixup] = NULL;
108 _gc_par_phases[StringDedupTableFixup] = NULL;
109 }
110
111 _gc_par_phases[RedirtyCards] = new WorkerDataArray<double>(max_gc_threads, "Parallel Redirty (ms):");
112 _redirtied_cards = new WorkerDataArray<size_t>(max_gc_threads, "Redirtied Cards:");
113 _gc_par_phases[RedirtyCards]->link_thread_work_items(_redirtied_cards);
114
115 _gc_par_phases[YoungFreeCSet] = new WorkerDataArray<double>(max_gc_threads, "Young Free Collection Set (ms):");
116 _gc_par_phases[NonYoungFreeCSet] = new WorkerDataArray<double>(max_gc_threads, "Non-Young Free Collection Set (ms):");
117
118 reset();
119 }
120
121 void G1GCPhaseTimes::reset() {
122 _cur_collection_par_time_ms = 0.0;
123 _cur_collection_code_root_fixup_time_ms = 0.0;
124 _cur_strong_code_root_purge_time_ms = 0.0;
125 _cur_evac_fail_recalc_used = 0.0;
126 _cur_evac_fail_remove_self_forwards = 0.0;
127 _cur_string_dedup_fixup_time_ms = 0.0;
128 _cur_prepare_tlab_time_ms = 0.0;
129 _cur_resize_tlab_time_ms = 0.0;
130 _cur_derived_pointer_table_update_time_ms = 0.0;
131 _cur_clear_ct_time_ms = 0.0;
132 _cur_expand_heap_time_ms = 0.0;
133 _cur_ref_proc_time_ms = 0.0;
134 _cur_collection_start_sec = 0.0;
135 _root_region_scan_wait_time_ms = 0.0;
136 _external_accounted_time_ms = 0.0;
137 _recorded_clear_claimed_marks_time_ms = 0.0;
138 _recorded_young_cset_choice_time_ms = 0.0;
139 _recorded_non_young_cset_choice_time_ms = 0.0;
140 _recorded_redirty_logged_cards_time_ms = 0.0;
141 _recorded_preserve_cm_referents_time_ms = 0.0;
142 _recorded_merge_pss_time_ms = 0.0;
143 _recorded_start_new_cset_time_ms = 0.0;
144 _recorded_total_free_cset_time_ms = 0.0;
145 _recorded_serial_free_cset_time_ms = 0.0;
146 _cur_fast_reclaim_humongous_time_ms = 0.0;
147 _cur_fast_reclaim_humongous_register_time_ms = 0.0;
148 _cur_fast_reclaim_humongous_total = 0;
149 _cur_fast_reclaim_humongous_candidates = 0;
150 _cur_fast_reclaim_humongous_reclaimed = 0;
151 _cur_verify_before_time_ms = 0.0;
152 _cur_verify_after_time_ms = 0.0;
153
154 for (int i = 0; i < GCParPhasesSentinel; i++) {
155 if (_gc_par_phases[i] != NULL) {
156 _gc_par_phases[i]->reset();
157 }
158 }
159
160 _ref_phase_times.reset();
161 _weak_phase_times.reset();
162 }
163
164 void G1GCPhaseTimes::note_gc_start() {
165 _gc_start_counter = os::elapsed_counter();
166 reset();
167 }
168
169 #define ASSERT_PHASE_UNINITIALIZED(phase) \
170 assert(_gc_par_phases[phase] == NULL || _gc_par_phases[phase]->get(i) == uninitialized, "Phase " #phase " reported for thread that was not started");
171
172 double G1GCPhaseTimes::worker_time(GCParPhases phase, uint worker) {
173 if (_gc_par_phases[phase] == NULL) {
174 return 0.0;
175 }
176 double value = _gc_par_phases[phase]->get(worker);
177 if (value != WorkerDataArray<double>::uninitialized()) {
178 return value;
179 }
180 return 0.0;
181 }
182
183 void G1GCPhaseTimes::note_gc_end() {
184 _gc_pause_time_ms = TimeHelper::counter_to_millis(os::elapsed_counter() - _gc_start_counter);
185
186 double uninitialized = WorkerDataArray<double>::uninitialized();
187
188 for (uint i = 0; i < _max_gc_threads; i++) {
189 double worker_start = _gc_par_phases[GCWorkerStart]->get(i);
190 if (worker_start != uninitialized) {
191 assert(_gc_par_phases[GCWorkerEnd]->get(i) != uninitialized, "Worker started but not ended.");
192 double total_worker_time = _gc_par_phases[GCWorkerEnd]->get(i) - _gc_par_phases[GCWorkerStart]->get(i);
193 record_time_secs(GCWorkerTotal, i , total_worker_time);
194
195 double worker_known_time = worker_time(ExtRootScan, i) +
196 worker_time(ScanHCC, i) +
197 worker_time(UpdateRS, i) +
198 worker_time(ScanRS, i) +
199 worker_time(CodeRoots, i) +
200 worker_time(ObjCopy, i) +
201 worker_time(Termination, i);
202
203 record_time_secs(Other, i, total_worker_time - worker_known_time);
204 } else {
205 // Make sure all slots are uninitialized since this thread did not seem to have been started
206 ASSERT_PHASE_UNINITIALIZED(GCWorkerEnd);
207 ASSERT_PHASE_UNINITIALIZED(ExtRootScan);
208 ASSERT_PHASE_UNINITIALIZED(ScanHCC);
209 ASSERT_PHASE_UNINITIALIZED(UpdateRS);
210 ASSERT_PHASE_UNINITIALIZED(ScanRS);
211 ASSERT_PHASE_UNINITIALIZED(CodeRoots);
212 ASSERT_PHASE_UNINITIALIZED(ObjCopy);
213 ASSERT_PHASE_UNINITIALIZED(Termination);
214 }
215 }
216 }
217
218 #undef ASSERT_PHASE_UNINITIALIZED
219
220 // record the time a phase took in seconds
221 void G1GCPhaseTimes::record_time_secs(GCParPhases phase, uint worker_i, double secs) {
222 _gc_par_phases[phase]->set(worker_i, secs);
223 }
224
225 // add a number of seconds to a phase
226 void G1GCPhaseTimes::add_time_secs(GCParPhases phase, uint worker_i, double secs) {
227 _gc_par_phases[phase]->add(worker_i, secs);
228 }
229
230 void G1GCPhaseTimes::record_or_add_objcopy_time_secs(uint worker_i, double secs) {
231 if (_gc_par_phases[ObjCopy]->get(worker_i) == _gc_par_phases[ObjCopy]->uninitialized()) {
232 record_time_secs(ObjCopy, worker_i, secs);
233 } else {
234 add_time_secs(ObjCopy, worker_i, secs);
235 }
236 }
237
238 void G1GCPhaseTimes::record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index) {
239 _gc_par_phases[phase]->set_thread_work_item(worker_i, count, index);
240 }
241
242 // return the average time for a phase in milliseconds
243 double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
244 return _gc_par_phases[phase]->average() * 1000.0;
245 }
246
247 size_t G1GCPhaseTimes::sum_thread_work_items(GCParPhases phase, uint index) {
248 assert(_gc_par_phases[phase]->thread_work_items(index) != NULL, "No sub count");
249 return _gc_par_phases[phase]->thread_work_items(index)->sum();
250 }
251
252 template <class T>
253 void G1GCPhaseTimes::details(T* phase, const char* indent) const {
254 LogTarget(Trace, gc, phases, task) lt;
255 if (lt.is_enabled()) {
256 LogStream ls(lt);
257 ls.print("%s", indent);
258 phase->print_details_on(&ls);
259 }
260 }
261
262 void G1GCPhaseTimes::log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum) const {
263 out->print("%s", Indents[indent]);
264 phase->print_summary_on(out, print_sum);
265 details(phase, Indents[indent]);
266
267 for (uint i = 0; i < phase->MaxThreadWorkItems; i++) {
268 WorkerDataArray<size_t>* work_items = phase->thread_work_items(i);
269 if (work_items != NULL) {
270 out->print("%s", Indents[indent + 1]);
271 work_items->print_summary_on(out, true);
272 details(work_items, Indents[indent + 1]);
273 }
274 }
275 }
276
277 void G1GCPhaseTimes::debug_phase(WorkerDataArray<double>* phase) const {
278 LogTarget(Debug, gc, phases) lt;
279 if (lt.is_enabled()) {
280 ResourceMark rm;
281 LogStream ls(lt);
282 log_phase(phase, 2, &ls, true);
283 }
284 }
285
286 void G1GCPhaseTimes::trace_phase(WorkerDataArray<double>* phase, bool print_sum) const {
287 LogTarget(Trace, gc, phases) lt;
288 if (lt.is_enabled()) {
289 LogStream ls(lt);
290 log_phase(phase, 3, &ls, print_sum);
291 }
292 }
293
294 #define TIME_FORMAT "%.1lfms"
295
296 void G1GCPhaseTimes::info_time(const char* name, double value) const {
297 log_info(gc, phases)("%s%s: " TIME_FORMAT, Indents[1], name, value);
298 }
299
300 void G1GCPhaseTimes::debug_time(const char* name, double value) const {
301 log_debug(gc, phases)("%s%s: " TIME_FORMAT, Indents[2], name, value);
302 }
303
304 void G1GCPhaseTimes::debug_time_for_reference(const char* name, double value) const {
305 LogTarget(Debug, gc, phases) lt;
306 LogTarget(Debug, gc, phases, ref) lt2;
307
308 if (lt.is_enabled()) {
309 LogStream ls(lt);
310 ls.print_cr("%s%s: " TIME_FORMAT, Indents[2], name, value);
311 } else if (lt2.is_enabled()) {
312 LogStream ls(lt2);
313 ls.print_cr("%s%s: " TIME_FORMAT, Indents[2], name, value);
314 }
315 }
316
317 void G1GCPhaseTimes::trace_time(const char* name, double value) const {
318 log_trace(gc, phases)("%s%s: " TIME_FORMAT, Indents[3], name, value);
319 }
320
321 void G1GCPhaseTimes::trace_count(const char* name, size_t value) const {
322 log_trace(gc, phases)("%s%s: " SIZE_FORMAT, Indents[3], name, value);
323 }
324
325 double G1GCPhaseTimes::print_pre_evacuate_collection_set() const {
326 const double sum_ms = _root_region_scan_wait_time_ms +
327 _recorded_young_cset_choice_time_ms +
328 _recorded_non_young_cset_choice_time_ms +
329 _cur_fast_reclaim_humongous_register_time_ms +
330 _recorded_clear_claimed_marks_time_ms;
331
332 info_time("Pre Evacuate Collection Set", sum_ms);
333
334 if (_root_region_scan_wait_time_ms > 0.0) {
335 debug_time("Root Region Scan Waiting", _root_region_scan_wait_time_ms);
336 }
337 debug_time("Prepare TLABs", _cur_prepare_tlab_time_ms);
338 debug_time("Choose Collection Set", (_recorded_young_cset_choice_time_ms + _recorded_non_young_cset_choice_time_ms));
339 if (G1EagerReclaimHumongousObjects) {
340 debug_time("Humongous Register", _cur_fast_reclaim_humongous_register_time_ms);
341 trace_count("Humongous Total", _cur_fast_reclaim_humongous_total);
342 trace_count("Humongous Candidate", _cur_fast_reclaim_humongous_candidates);
343 }
344
345 if (_recorded_clear_claimed_marks_time_ms > 0.0) {
346 debug_time("Clear Claimed Marks", _recorded_clear_claimed_marks_time_ms);
347 }
348 return sum_ms;
349 }
350
351 double G1GCPhaseTimes::print_evacuate_collection_set() const {
352 const double sum_ms = _cur_collection_par_time_ms;
353
354 info_time("Evacuate Collection Set", sum_ms);
355
356 trace_phase(_gc_par_phases[GCWorkerStart], false);
357 debug_phase(_gc_par_phases[ExtRootScan]);
358 for (int i = ThreadRoots; i <= SATBFiltering; i++) {
359 trace_phase(_gc_par_phases[i]);
360 }
361 debug_phase(_gc_par_phases[UpdateRS]);
362 if (G1HotCardCache::default_use_cache()) {
363 trace_phase(_gc_par_phases[ScanHCC]);
364 }
365 debug_phase(_gc_par_phases[ScanRS]);
366 debug_phase(_gc_par_phases[CodeRoots]);
367 #if INCLUDE_AOT
368 debug_phase(_gc_par_phases[AOTCodeRoots]);
369 #endif
370 debug_phase(_gc_par_phases[ObjCopy]);
371 debug_phase(_gc_par_phases[Termination]);
372 debug_phase(_gc_par_phases[Other]);
373 debug_phase(_gc_par_phases[GCWorkerTotal]);
374 trace_phase(_gc_par_phases[GCWorkerEnd], false);
375
376 return sum_ms;
377 }
378
379 double G1GCPhaseTimes::print_post_evacuate_collection_set() const {
380 const double evac_fail_handling = _cur_evac_fail_recalc_used +
381 _cur_evac_fail_remove_self_forwards;
382 const double sum_ms = evac_fail_handling +
383 _cur_collection_code_root_fixup_time_ms +
384 _recorded_preserve_cm_referents_time_ms +
385 _cur_ref_proc_time_ms +
386 (_weak_phase_times.total_time_sec() * MILLIUNITS) +
387 _cur_clear_ct_time_ms +
388 _recorded_merge_pss_time_ms +
389 _cur_strong_code_root_purge_time_ms +
390 _recorded_redirty_logged_cards_time_ms +
391 _recorded_total_free_cset_time_ms +
392 _cur_fast_reclaim_humongous_time_ms +
393 _cur_expand_heap_time_ms +
394 _cur_string_dedup_fixup_time_ms;
395
396 info_time("Post Evacuate Collection Set", sum_ms);
397
398 debug_time("Code Roots Fixup", _cur_collection_code_root_fixup_time_ms);
399
400 debug_time("Clear Card Table", _cur_clear_ct_time_ms);
401
402 debug_time_for_reference("Reference Processing", _cur_ref_proc_time_ms);
403 _ref_phase_times.print_all_references(2, false);
404 _weak_phase_times.log_print(2);
405
406 if (G1StringDedup::is_enabled()) {
407 debug_time("String Dedup Fixup", _cur_string_dedup_fixup_time_ms);
408 debug_phase(_gc_par_phases[StringDedupQueueFixup]);
409 debug_phase(_gc_par_phases[StringDedupTableFixup]);
410 }
411
412 if (G1CollectedHeap::heap()->evacuation_failed()) {
413 debug_time("Evacuation Failure", evac_fail_handling);
414 trace_time("Recalculate Used", _cur_evac_fail_recalc_used);
415 trace_time("Remove Self Forwards",_cur_evac_fail_remove_self_forwards);
416 }
417
418 debug_time("Merge Per-Thread State", _recorded_merge_pss_time_ms);
419 debug_time("Code Roots Purge", _cur_strong_code_root_purge_time_ms);
420
421 debug_time("Redirty Cards", _recorded_redirty_logged_cards_time_ms);
422 trace_phase(_gc_par_phases[RedirtyCards]);
423 #if COMPILER2_OR_JVMCI
424 debug_time("DerivedPointerTable Update", _cur_derived_pointer_table_update_time_ms);
425 #endif
426
427 debug_time("Free Collection Set", _recorded_total_free_cset_time_ms);
428 trace_time("Free Collection Set Serial", _recorded_serial_free_cset_time_ms);
429 trace_phase(_gc_par_phases[YoungFreeCSet]);
430 trace_phase(_gc_par_phases[NonYoungFreeCSet]);
431
432 if (G1EagerReclaimHumongousObjects) {
433 debug_time("Humongous Reclaim", _cur_fast_reclaim_humongous_time_ms);
434 trace_count("Humongous Reclaimed", _cur_fast_reclaim_humongous_reclaimed);
435 }
436 debug_time("Start New Collection Set", _recorded_start_new_cset_time_ms);
437 if (UseTLAB && ResizeTLAB) {
438 debug_time("Resize TLABs", _cur_resize_tlab_time_ms);
439 }
440 debug_time("Expand Heap After Collection", _cur_expand_heap_time_ms);
441
442
443 return sum_ms;
444 }
445
446 void G1GCPhaseTimes::print_other(double accounted_ms) const {
447 info_time("Other", _gc_pause_time_ms - accounted_ms);
448 }
449
450 void G1GCPhaseTimes::print() {
451 note_gc_end();
452
453 if (_cur_verify_before_time_ms > 0.0) {
454 debug_time("Verify Before", _cur_verify_before_time_ms);
455 }
456
457 double accounted_ms = 0.0;
458 accounted_ms += print_pre_evacuate_collection_set();
459 accounted_ms += print_evacuate_collection_set();
460 accounted_ms += print_post_evacuate_collection_set();
461 print_other(accounted_ms);
462
463 if (_cur_verify_after_time_ms > 0.0) {
464 debug_time("Verify After", _cur_verify_after_time_ms);
465 }
466 }
467
468 G1EvacPhaseWithTrimTimeTracker::G1EvacPhaseWithTrimTimeTracker(G1ParScanThreadState* pss, Tickspan& total_time, Tickspan& trim_time) :
469 _pss(pss),
470 _start(Ticks::now()),
471 _total_time(total_time),
472 _trim_time(trim_time),
473 _stopped(false) {
474
475 assert(_pss->trim_ticks().value() == 0, "Possibly remaining trim ticks left over from previous use");
476 }
477
478 G1EvacPhaseWithTrimTimeTracker::~G1EvacPhaseWithTrimTimeTracker() {
479 if (!_stopped) {
480 stop();
481 }
482 }
483
484 void G1EvacPhaseWithTrimTimeTracker::stop() {
485 assert(!_stopped, "Should only be called once");
486 _total_time += (Ticks::now() - _start) - _pss->trim_ticks();
487 _trim_time += _pss->trim_ticks();
488 _pss->reset_trim_ticks();
489 _stopped = true;
490 }
491
492 G1GCParPhaseTimesTracker::G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id) :
493 _start_time(), _phase(phase), _phase_times(phase_times), _worker_id(worker_id) {
494 if (_phase_times != NULL) {
495 _start_time = Ticks::now();
496 }
497 }
498
499 G1GCParPhaseTimesTracker::~G1GCParPhaseTimesTracker() {
500 if (_phase_times != NULL) {
501 _phase_times->record_time_secs(_phase, _worker_id, (Ticks::now() - _start_time).seconds());
502 }
503 }
504
505 G1EvacPhaseTimesTracker::G1EvacPhaseTimesTracker(G1GCPhaseTimes* phase_times,
506 G1ParScanThreadState* pss,
507 G1GCPhaseTimes::GCParPhases phase,
508 uint worker_id) :
509 G1GCParPhaseTimesTracker(phase_times, phase, worker_id),
510 _total_time(),
511 _trim_time(),
512 _trim_tracker(pss, _total_time, _trim_time) {
513 }
514
515 G1EvacPhaseTimesTracker::~G1EvacPhaseTimesTracker() {
516 if (_phase_times != NULL) {
517 // Explicitly stop the trim tracker since it's not yet destructed.
518 _trim_tracker.stop();
519 // Exclude trim time by increasing the start time.
520 _start_time += _trim_time;
521 _phase_times->record_or_add_objcopy_time_secs(_worker_id, _trim_time.seconds());
522 }
523 }
524