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

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

@@ -31,12 +31,14 @@
 #include "runtime/handles.inline.hpp"
 #include "runtime/mutexLocker.hpp"
 
 ConcurrentG1RefineThread::
 ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread *next,
+                         CardTableEntryClosure* refine_closure,
                          uint worker_id_offset, uint worker_id) :
   ConcurrentGCThread(),
+  _refine_closure(refine_closure),
   _worker_id_offset(worker_id_offset),
   _worker_id(worker_id),
   _active(false),
   _next(next),
   _monitor(NULL),

@@ -202,11 +204,11 @@
 
         // Check if we need to activate the next thread.
         if (_next != NULL && !_next->is_active() && curr_buffer_num > _next->_threshold) {
           _next->activate();
         }
-      } while (dcqs.apply_closure_to_completed_buffer(_worker_id + _worker_id_offset, cg1r()->green_zone()));
+      } while (dcqs.apply_closure_to_completed_buffer(_refine_closure, _worker_id + _worker_id_offset, cg1r()->green_zone()));
 
       // We can exit the loop above while being active if there was a yield request.
       if (is_active()) {
         deactivate();
       }