8196341: Add JFR events for parallel phases of G1

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