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diff src/share/vm/gc_implementation/g1/g1RemSet.hpp @ 890:6cb8e9df7174

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6819077: G1: first GC thread coming late into the GC. Summary: The first worker thread is delayed when entering the GC because it clears the card count table that is used in identifying hot cards. Replace the card count table with a dynamically sized evicting hash table that includes an epoch based counter. Reviewed-by: iveresov, tonyp
author johnc
date Tue, 04 Aug 2009 16:00:17 -0700
parents df6caf649ff7
children c18cbe5936b8
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/g1RemSet.hpp	Mon Aug 03 12:59:30 2009 -0700
+++ b/src/share/vm/gc_implementation/g1/g1RemSet.hpp	Tue Aug 04 16:00:17 2009 -0700
@@ -157,6 +157,10 @@
     }
   }
 
+  // The routine that performs the actual work of refining a dirty
+  // card.
+  void concurrentRefineOneCard_impl(jbyte* card_ptr, int worker_i);
+
 protected:
   template <class T> void write_ref_nv(HeapRegion* from, T* p);
   template <class T> void par_write_ref_nv(HeapRegion* from, T* p, int tid);