src/share/vm/gc/g1/concurrentG1RefineThread.hpp
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src/share/vm/gc/g1/concurrentG1RefineThread.hpp

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  36 class ConcurrentG1RefineThread: public ConcurrentGCThread {
  37   friend class VMStructs;
  38   friend class G1CollectedHeap;
  39 
  40   double _vtime_start;  // Initial virtual time.
  41   double _vtime_accum;  // Accumulated virtual time.
  42   uint _worker_id;
  43   uint _worker_id_offset;
  44 
  45   // The refinement threads collection is linked list. A predecessor can activate a successor
  46   // when the number of the rset update buffer crosses a certain threshold. A successor
  47   // would self-deactivate when the number of the buffers falls below the threshold.
  48   bool _active;
  49   ConcurrentG1RefineThread* _next;
  50   Monitor* _monitor;
  51   ConcurrentG1Refine* _cg1r;
  52 
  53   // The closure applied to completed log buffers.
  54   CardTableEntryClosure* _refine_closure;
  55 
  56   int _thread_threshold_step;
  57   // This thread activation threshold
  58   int _threshold;
  59   // This thread deactivation threshold
  60   int _deactivation_threshold;
  61 
  62   void wait_for_completed_buffers();
  63 
  64   void set_active(bool x) { _active = x; }
  65   bool is_active();
  66   void activate();
  67   void deactivate();
  68 
  69   bool is_primary() { return (_worker_id == 0); }
  70 
  71   void run_service();
  72   void stop_service();
  73 
  74 public:
  75   virtual void run();
  76   // Constructor
  77   ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next,
  78                            CardTableEntryClosure* refine_closure,
  79                            uint worker_id_offset, uint worker_id);
  80 


  36 class ConcurrentG1RefineThread: public ConcurrentGCThread {
  37   friend class VMStructs;
  38   friend class G1CollectedHeap;
  39 
  40   double _vtime_start;  // Initial virtual time.
  41   double _vtime_accum;  // Accumulated virtual time.
  42   uint _worker_id;
  43   uint _worker_id_offset;
  44 
  45   // The refinement threads collection is linked list. A predecessor can activate a successor
  46   // when the number of the rset update buffer crosses a certain threshold. A successor
  47   // would self-deactivate when the number of the buffers falls below the threshold.
  48   bool _active;
  49   ConcurrentG1RefineThread* _next;
  50   Monitor* _monitor;
  51   ConcurrentG1Refine* _cg1r;
  52 
  53   // The closure applied to completed log buffers.
  54   CardTableEntryClosure* _refine_closure;
  55 
  56   size_t _thread_threshold_step;
  57   // This thread activation threshold
  58   size_t _threshold;
  59   // This thread deactivation threshold
  60   size_t _deactivation_threshold;
  61 
  62   void wait_for_completed_buffers();
  63 
  64   void set_active(bool x) { _active = x; }
  65   bool is_active();
  66   void activate();
  67   void deactivate();
  68 
  69   bool is_primary() { return (_worker_id == 0); }
  70 
  71   void run_service();
  72   void stop_service();
  73 
  74 public:
  75   virtual void run();
  76   // Constructor
  77   ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next,
  78                            CardTableEntryClosure* refine_closure,
  79                            uint worker_id_offset, uint worker_id);
  80 
src/share/vm/gc/g1/concurrentG1RefineThread.hpp
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