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diff src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @ 4097:dc467e8b2c5e

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7112743: G1: Reduce overhead of marking closure during evacuation pauses Summary: Parallelize the serial code that was used to mark objects reachable from survivor objects in the collection set. Some minor improvments in the timers used to track the freeing of the collection set along with some tweaks to PrintGCDetails. Reviewed-by: tonyp, brutisso
author johnc
date Thu, 17 Nov 2011 12:40:15 -0800
parents bca17e38de00
children 3c648b9ad052
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line diff
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Mon Nov 28 09:49:05 2011 -0800
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Nov 17 12:40:15 2011 -0800
@@ -1294,8 +1294,17 @@
 
 #ifdef ASSERT
   bool check_heap_region_claim_values(jint claim_value);
+
+  // Same as the routine above but only checks regions in the
+  // current collection set.
+  bool check_cset_heap_region_claim_values(jint claim_value);
 #endif // ASSERT
 
+  // Given the id of a worker, calculate a suitable
+  // starting region for iterating over the current
+  // collection set.
+  HeapRegion* start_cset_region_for_worker(int worker_i);
+
   // Iterate over the regions (if any) in the current collection set.
   void collection_set_iterate(HeapRegionClosure* blk);