src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp

rev 5920 : 8035406: Improve data structure for Code Cache remembered sets
Summary: Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.
Reviewed-by:
rev 5921 : 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:

*** 315,323 ****
--- 315,327 ----
    print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
    print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
    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);
    }
  }