1.1 --- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Aug 23 10:21:12 2012 +0200
1.2 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Tue Aug 28 15:20:08 2012 -0700
1.3 @@ -915,6 +915,39 @@
1.4 oop handle_evacuation_failure_par(OopsInHeapRegionClosure* cl, oop obj);
1.5 void handle_evacuation_failure_common(oop obj, markOop m);
1.6
1.7 +#ifndef PRODUCT
1.8 + // Support for forcing evacuation failures. Analogous to
1.9 + // PromotionFailureALot for the other collectors.
1.10 +
1.11 + // Records whether G1EvacuationFailureALot should be in effect
1.12 + // for the current GC
1.13 + bool _evacuation_failure_alot_for_current_gc;
1.14 +
1.15 + // Used to record the GC number for interval checking when
1.16 + // determining whether G1EvaucationFailureALot is in effect
1.17 + // for the current GC.
1.18 + size_t _evacuation_failure_alot_gc_number;
1.19 +
1.20 + // Count of the number of evacuations between failures.
1.21 + volatile size_t _evacuation_failure_alot_count;
1.22 +
1.23 + // Set whether G1EvacuationFailureALot should be in effect
1.24 + // for the current GC (based upon the type of GC and which
1.25 + // command line flags are set);
1.26 + inline bool evacuation_failure_alot_for_gc_type(bool gcs_are_young,
1.27 + bool during_initial_mark,
1.28 + bool during_marking);
1.29 +
1.30 + inline void set_evacuation_failure_alot_for_current_gc();
1.31 +
1.32 + // Return true if it's time to cause an evacuation failure.
1.33 + inline bool evacuation_should_fail();
1.34 +
1.35 + // Reset the G1EvacuationFailureALot counters. Should be called at
1.36 + // the end of an evacuation pause in which an evacuation failure ocurred.
1.37 + inline void reset_evacuation_should_fail();
1.38 +#endif // !PRODUCT
1.39 +
1.40 // ("Weak") Reference processing support.
1.41 //
1.42 // G1 has 2 instances of the referece processor class. One
