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diff src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp @ 17755:96b1c2e06e25

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8027295: Free CSet takes ~50% of young pause time Summary: Improve fast card cache iteration and avoid taking locks when freeing the collection set. Reviewed-by: brutisso
author tschatzl
date Mon, 24 Mar 2014 15:30:36 +0100
parents 191174b49bec
children a07bea31ef35
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line diff
--- a/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp	Mon Mar 24 15:30:30 2014 +0100
+++ b/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp	Mon Mar 24 15:30:36 2014 +0100
@@ -317,6 +317,10 @@
   print_stats(2, "Free CSet",
     (_recorded_young_free_cset_time_ms +
     _recorded_non_young_free_cset_time_ms));
+  if (G1Log::finest()) {
+    print_stats(3, "Young Free CSet", _recorded_young_free_cset_time_ms);
+    print_stats(3, "Non-Young Free CSet", _recorded_non_young_free_cset_time_ms);
+  }
   if (_cur_verify_after_time_ms > 0.0) {
     print_stats(2, "Verify After", _cur_verify_after_time_ms);
   }