454   PauseKind young_gc_pause_kind() const;
 455   // Record the given STW pause with the given start and end times (in s).
 456   void record_pause(PauseKind kind, double start, double end);
 457   // Indicate that we aborted marking before doing any mixed GCs.
 458   void abort_time_to_mixed_tracking();
 459 public:
 460 
 461   G1CollectorPolicy();
 462 
 463   virtual ~G1CollectorPolicy();
 464 
 465   virtual G1CollectorPolicy* as_g1_policy() { return this; }
 466 
 467   G1CollectorState* collector_state() const;
 468 
 469   G1GCPhaseTimes* phase_times() const { return _phase_times; }
 470 
 471   // Check the current value of the young list RSet lengths and
 472   // compare it against the last prediction. If the current value is
 473   // higher, recalculate the young list target length prediction.
 474   void revise_young_list_target_length_if_necessary();
 475 
 476   // This should be called after the heap is resized.
 477   void record_new_heap_size(uint new_number_of_regions);
 478 
 479   void init();
 480 
 481   virtual void note_gc_start(uint num_active_workers);
 482 
 483   // Create jstat counters for the policy.
 484   virtual void initialize_gc_policy_counters();
 485 
 486   bool need_to_start_conc_mark(const char* source, size_t alloc_word_size = 0);
 487 
 488   bool about_to_start_mixed_phase() const;
 489 
 490   // Record the start and end of an evacuation pause.
 491   void record_collection_pause_start(double start_time_sec);
 492   void record_collection_pause_end(double pause_time_ms, size_t cards_scanned, size_t heap_used_bytes_before_gc);
 493 
 494   // Record the start and end of a full collection.

 454   PauseKind young_gc_pause_kind() const;
 455   // Record the given STW pause with the given start and end times (in s).
 456   void record_pause(PauseKind kind, double start, double end);
 457   // Indicate that we aborted marking before doing any mixed GCs.
 458   void abort_time_to_mixed_tracking();
 459 public:
 460 
 461   G1CollectorPolicy();
 462 
 463   virtual ~G1CollectorPolicy();
 464 
 465   virtual G1CollectorPolicy* as_g1_policy() { return this; }
 466 
 467   G1CollectorState* collector_state() const;
 468 
 469   G1GCPhaseTimes* phase_times() const { return _phase_times; }
 470 
 471   // Check the current value of the young list RSet lengths and
 472   // compare it against the last prediction. If the current value is
 473   // higher, recalculate the young list target length prediction.
 474   void revise_young_list_target_length_if_necessary(size_t rs_lengths);
 475 
 476   // This should be called after the heap is resized.
 477   void record_new_heap_size(uint new_number_of_regions);
 478 
 479   void init();
 480 
 481   virtual void note_gc_start(uint num_active_workers);
 482 
 483   // Create jstat counters for the policy.
 484   virtual void initialize_gc_policy_counters();
 485 
 486   bool need_to_start_conc_mark(const char* source, size_t alloc_word_size = 0);
 487 
 488   bool about_to_start_mixed_phase() const;
 489 
 490   // Record the start and end of an evacuation pause.
 491   void record_collection_pause_start(double start_time_sec);
 492   void record_collection_pause_end(double pause_time_ms, size_t cards_scanned, size_t heap_used_bytes_before_gc);
 493 
 494   // Record the start and end of a full collection.