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

rev 6327 : 8019342: G1: High "Other" time most likely due to card redirtying
Summary: Parallelize card redirtying to decrease the time it takes.
Reviewed-by: brutisso

*** 26,35 ****
--- 26,36 ----
  #define SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTG1REFINETHREAD_HPP
  
  #include "gc_implementation/shared/concurrentGCThread.hpp"
  
  // Forward Decl.
+ class CardTableEntryClosure;
  class ConcurrentG1Refine;
  
  // The G1 Concurrent Refinement Thread (could be several in the future).
  
  class ConcurrentG1RefineThread: public ConcurrentGCThread {
*** 47,56 ****
--- 48,60 ----
    bool _active;
    ConcurrentG1RefineThread* _next;
    Monitor* _monitor;
    ConcurrentG1Refine* _cg1r;
  
+   // The closure applied to completed log buffers.
+   CardTableEntryClosure* _refine_closure;
+ 
    int _thread_threshold_step;
    // This thread activation threshold
    int _threshold;
    // This thread deactivation threshold
    int _deactivation_threshold;
*** 66,75 ****
--- 70,80 ----
  
  public:
    virtual void run();
    // Constructor
    ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next,
+                            CardTableEntryClosure* refine_closure,
                             uint worker_id_offset, uint worker_id);
  
    void initialize();
  
    // Printing