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src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp

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rev 52675 : 8213890: Implementation of JEP 344: Abortable Mixed Collections for G1
Reviewed-by:
Contributed-by: erik.helin@oracle.com, stefan.johansson@oracle.com
rev 52676 : imported patch AMGC-impl
rev 52679 : imported patch AMGC-tsch-rev1-log
rev 52680 : [mq]: AMGC-tsch-rev2


  46  public:
  47   enum GCParPhases {
  48     GCWorkerStart,
  49     ExtRootScan,
  50     ThreadRoots,
  51     StringTableRoots,
  52     UniverseRoots,
  53     JNIRoots,
  54     ObjectSynchronizerRoots,
  55     ManagementRoots,
  56     SystemDictionaryRoots,
  57     CLDGRoots,
  58     JVMTIRoots,
  59     CMRefRoots,
  60     WaitForStrongCLD,
  61     WeakCLDRoots,
  62     SATBFiltering,
  63     UpdateRS,
  64     ScanHCC,
  65     ScanRS,

  66     CodeRoots,
  67 #if INCLUDE_AOT
  68     AOTCodeRoots,
  69 #endif
  70     ObjCopy,

  71     Termination,
  72     Other,
  73     GCWorkerTotal,
  74     GCWorkerEnd,
  75     StringDedupQueueFixup,
  76     StringDedupTableFixup,
  77     RedirtyCards,
  78     YoungFreeCSet,
  79     NonYoungFreeCSet,
  80     GCParPhasesSentinel
  81   };
  82 
  83   enum GCScanRSWorkItems {
  84     ScanRSScannedCards,
  85     ScanRSClaimedCards,
  86     ScanRSSkippedCards
  87   };
  88 
  89   enum GCUpdateRSWorkItems {
  90     UpdateRSProcessedBuffers,
  91     UpdateRSScannedCards,
  92     UpdateRSSkippedCards
  93   };
  94 







  95  private:
  96   // Markers for grouping the phases in the GCPhases enum above
  97   static const int GCMainParPhasesLast = GCWorkerEnd;
  98   static const int StringDedupPhasesFirst = StringDedupQueueFixup;
  99   static const int StringDedupPhasesLast = StringDedupTableFixup;
 100 
 101   WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel];
 102 
 103   WorkerDataArray<size_t>* _update_rs_processed_buffers;
 104   WorkerDataArray<size_t>* _update_rs_scanned_cards;
 105   WorkerDataArray<size_t>* _update_rs_skipped_cards;
 106 
 107   WorkerDataArray<size_t>* _scan_rs_scanned_cards;
 108   WorkerDataArray<size_t>* _scan_rs_claimed_cards;
 109   WorkerDataArray<size_t>* _scan_rs_skipped_cards;
 110 





 111   WorkerDataArray<size_t>* _termination_attempts;
 112 
 113   WorkerDataArray<size_t>* _redirtied_cards;
 114 
 115   double _cur_collection_par_time_ms;

 116   double _cur_collection_code_root_fixup_time_ms;
 117   double _cur_strong_code_root_purge_time_ms;
 118 
 119   double _cur_evac_fail_recalc_used;
 120   double _cur_evac_fail_remove_self_forwards;
 121 
 122   double _cur_string_dedup_fixup_time_ms;
 123 
 124   double _cur_prepare_tlab_time_ms;
 125   double _cur_resize_tlab_time_ms;
 126 
 127   double _cur_derived_pointer_table_update_time_ms;
 128 
 129   double _cur_clear_ct_time_ms;
 130   double _cur_expand_heap_time_ms;
 131   double _cur_ref_proc_time_ms;
 132 
 133   double _cur_collection_start_sec;
 134   double _root_region_scan_wait_time_ms;
 135 


 167   double worker_time(GCParPhases phase, uint worker);
 168   void note_gc_end();
 169   void reset();
 170 
 171   template <class T>
 172   void details(T* phase, const char* indent) const;
 173 
 174   void log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum) const;
 175   void debug_phase(WorkerDataArray<double>* phase) const;
 176   void trace_phase(WorkerDataArray<double>* phase, bool print_sum = true) const;
 177 
 178   void info_time(const char* name, double value) const;
 179   void debug_time(const char* name, double value) const;
 180   // This will print logs for both 'gc+phases' and 'gc+phases+ref'.
 181   void debug_time_for_reference(const char* name, double value) const;
 182   void trace_time(const char* name, double value) const;
 183   void trace_count(const char* name, size_t value) const;
 184 
 185   double print_pre_evacuate_collection_set() const;
 186   double print_evacuate_collection_set() const;

 187   double print_post_evacuate_collection_set() const;
 188   void print_other(double accounted_ms) const;
 189 
 190  public:
 191   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 192   void note_gc_start();
 193   void print();
 194   static const char* phase_name(GCParPhases phase);
 195 
 196   // record the time a phase took in seconds
 197   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 198 
 199   // add a number of seconds to a phase
 200   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 201 
 202   void record_or_add_objcopy_time_secs(uint worker_i, double secs);
 203 
 204   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 205 
 206   // return the average time for a phase in milliseconds
 207   double average_time_ms(GCParPhases phase);
 208 
 209   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 210 
 211  public:
 212 
 213   void record_prepare_tlab_time_ms(double ms) {
 214     _cur_prepare_tlab_time_ms = ms;
 215   }
 216 
 217   void record_resize_tlab_time_ms(double ms) {
 218     _cur_resize_tlab_time_ms = ms;
 219   }
 220 
 221   void record_derived_pointer_table_update_time(double ms) {
 222     _cur_derived_pointer_table_update_time_ms = ms;
 223   }
 224 
 225   void record_clear_ct_time(double ms) {
 226     _cur_clear_ct_time_ms = ms;
 227   }
 228 
 229   void record_expand_heap_time(double ms) {
 230     _cur_expand_heap_time_ms = ms;
 231   }
 232 
 233   void record_par_time(double ms) {
 234     _cur_collection_par_time_ms = ms;




 235   }
 236 
 237   void record_code_root_fixup_time(double ms) {
 238     _cur_collection_code_root_fixup_time_ms = ms;
 239   }
 240 
 241   void record_strong_code_root_purge_time(double ms) {
 242     _cur_strong_code_root_purge_time_ms = ms;
 243   }
 244 
 245   void record_evac_fail_recalc_used_time(double ms) {
 246     _cur_evac_fail_recalc_used = ms;
 247   }
 248 
 249   void record_evac_fail_remove_self_forwards(double ms) {
 250     _cur_evac_fail_remove_self_forwards = ms;
 251   }
 252 
 253   void record_string_dedup_fixup_time(double ms) {
 254     _cur_string_dedup_fixup_time_ms = ms;




  46  public:
  47   enum GCParPhases {
  48     GCWorkerStart,
  49     ExtRootScan,
  50     ThreadRoots,
  51     StringTableRoots,
  52     UniverseRoots,
  53     JNIRoots,
  54     ObjectSynchronizerRoots,
  55     ManagementRoots,
  56     SystemDictionaryRoots,
  57     CLDGRoots,
  58     JVMTIRoots,
  59     CMRefRoots,
  60     WaitForStrongCLD,
  61     WeakCLDRoots,
  62     SATBFiltering,
  63     UpdateRS,
  64     ScanHCC,
  65     ScanRS,
  66     OptScanRS,
  67     CodeRoots,
  68 #if INCLUDE_AOT
  69     AOTCodeRoots,
  70 #endif
  71     ObjCopy,
  72     OptObjCopy,
  73     Termination,
  74     Other,
  75     GCWorkerTotal,
  76     GCWorkerEnd,
  77     StringDedupQueueFixup,
  78     StringDedupTableFixup,
  79     RedirtyCards,
  80     YoungFreeCSet,
  81     NonYoungFreeCSet,
  82     GCParPhasesSentinel
  83   };
  84 
  85   enum GCScanRSWorkItems {
  86     ScanRSScannedCards,
  87     ScanRSClaimedCards,
  88     ScanRSSkippedCards
  89   };
  90 
  91   enum GCUpdateRSWorkItems {
  92     UpdateRSProcessedBuffers,
  93     UpdateRSScannedCards,
  94     UpdateRSSkippedCards
  95   };
  96 
  97   enum GCOptCSetWorkItems {
  98       OptCSetScannedCards,
  99       OptCSetClaimedCards,
 100       OptCSetSkippedCards,
 101       OptCSetUsedMemory
 102   };
 103 
 104  private:
 105   // Markers for grouping the phases in the GCPhases enum above
 106   static const int GCMainParPhasesLast = GCWorkerEnd;
 107   static const int StringDedupPhasesFirst = StringDedupQueueFixup;
 108   static const int StringDedupPhasesLast = StringDedupTableFixup;
 109 
 110   WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel];
 111 
 112   WorkerDataArray<size_t>* _update_rs_processed_buffers;
 113   WorkerDataArray<size_t>* _update_rs_scanned_cards;
 114   WorkerDataArray<size_t>* _update_rs_skipped_cards;
 115 
 116   WorkerDataArray<size_t>* _scan_rs_scanned_cards;
 117   WorkerDataArray<size_t>* _scan_rs_claimed_cards;
 118   WorkerDataArray<size_t>* _scan_rs_skipped_cards;
 119 
 120   WorkerDataArray<size_t>* _opt_cset_scanned_cards;
 121   WorkerDataArray<size_t>* _opt_cset_claimed_cards;
 122   WorkerDataArray<size_t>* _opt_cset_skipped_cards;
 123   WorkerDataArray<size_t>* _opt_cset_used_memory;
 124 
 125   WorkerDataArray<size_t>* _termination_attempts;
 126 
 127   WorkerDataArray<size_t>* _redirtied_cards;
 128 
 129   double _cur_collection_par_time_ms;
 130   double _cur_optional_evac_ms;
 131   double _cur_collection_code_root_fixup_time_ms;
 132   double _cur_strong_code_root_purge_time_ms;
 133 
 134   double _cur_evac_fail_recalc_used;
 135   double _cur_evac_fail_remove_self_forwards;
 136 
 137   double _cur_string_dedup_fixup_time_ms;
 138 
 139   double _cur_prepare_tlab_time_ms;
 140   double _cur_resize_tlab_time_ms;
 141 
 142   double _cur_derived_pointer_table_update_time_ms;
 143 
 144   double _cur_clear_ct_time_ms;
 145   double _cur_expand_heap_time_ms;
 146   double _cur_ref_proc_time_ms;
 147 
 148   double _cur_collection_start_sec;
 149   double _root_region_scan_wait_time_ms;
 150 


 182   double worker_time(GCParPhases phase, uint worker);
 183   void note_gc_end();
 184   void reset();
 185 
 186   template <class T>
 187   void details(T* phase, const char* indent) const;
 188 
 189   void log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum) const;
 190   void debug_phase(WorkerDataArray<double>* phase) const;
 191   void trace_phase(WorkerDataArray<double>* phase, bool print_sum = true) const;
 192 
 193   void info_time(const char* name, double value) const;
 194   void debug_time(const char* name, double value) const;
 195   // This will print logs for both 'gc+phases' and 'gc+phases+ref'.
 196   void debug_time_for_reference(const char* name, double value) const;
 197   void trace_time(const char* name, double value) const;
 198   void trace_count(const char* name, size_t value) const;
 199 
 200   double print_pre_evacuate_collection_set() const;
 201   double print_evacuate_collection_set() const;
 202   double print_evacuate_optional_collection_set() const;
 203   double print_post_evacuate_collection_set() const;
 204   void print_other(double accounted_ms) const;
 205 
 206  public:
 207   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 208   void note_gc_start();
 209   void print();
 210   static const char* phase_name(GCParPhases phase);
 211 
 212   // record the time a phase took in seconds
 213   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 214 
 215   // add a number of seconds to a phase
 216   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 217 
 218   void record_or_add_time_secs(GCParPhases phase, uint worker_i, double secs);
 219 
 220   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 221 
 222   // return the average time for a phase in milliseconds
 223   double average_time_ms(GCParPhases phase);
 224 
 225   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 226 
 227  public:
 228 
 229   void record_prepare_tlab_time_ms(double ms) {
 230     _cur_prepare_tlab_time_ms = ms;
 231   }
 232 
 233   void record_resize_tlab_time_ms(double ms) {
 234     _cur_resize_tlab_time_ms = ms;
 235   }
 236 
 237   void record_derived_pointer_table_update_time(double ms) {
 238     _cur_derived_pointer_table_update_time_ms = ms;
 239   }
 240 
 241   void record_clear_ct_time(double ms) {
 242     _cur_clear_ct_time_ms = ms;
 243   }
 244 
 245   void record_expand_heap_time(double ms) {
 246     _cur_expand_heap_time_ms = ms;
 247   }
 248 
 249   void record_par_time(double ms) {
 250     _cur_collection_par_time_ms = ms;
 251   }
 252 
 253   void record_optional_evacuation(double ms) {
 254     _cur_optional_evac_ms = ms;
 255   }
 256 
 257   void record_code_root_fixup_time(double ms) {
 258     _cur_collection_code_root_fixup_time_ms = ms;
 259   }
 260 
 261   void record_strong_code_root_purge_time(double ms) {
 262     _cur_strong_code_root_purge_time_ms = ms;
 263   }
 264 
 265   void record_evac_fail_recalc_used_time(double ms) {
 266     _cur_evac_fail_recalc_used = ms;
 267   }
 268 
 269   void record_evac_fail_remove_self_forwards(double ms) {
 270     _cur_evac_fail_remove_self_forwards = ms;
 271   }
 272 
 273   void record_string_dedup_fixup_time(double ms) {
 274     _cur_string_dedup_fixup_time_ms = ms;


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