77   size_t _sampled_rs_lengths;

    77   size_t _sampled_rs_lengths;

    78 public:

    78 public:

    79   G1YoungRemSetSamplingClosure(SuspendibleThreadSetJoiner* sts) :

    79   G1YoungRemSetSamplingClosure(SuspendibleThreadSetJoiner* sts) :

    80     HeapRegionClosure(), _sts(sts), _regions_visited(0), _sampled_rs_lengths(0) { }

    80     HeapRegionClosure(), _sts(sts), _regions_visited(0), _sampled_rs_lengths(0) { }

    81 

    81 

    83     size_t rs_length = r->rem_set()->occupied();

    83     size_t rs_length = r->rem_set()->occupied();

    84     _sampled_rs_lengths += rs_length;

    84     _sampled_rs_lengths += rs_length;

    85 

    85 

    86     // Update the collection set policy information for this region

    86     // Update the collection set policy information for this region

    87     G1CollectedHeap::heap()->collection_set()->update_young_region_prediction(r, rs_length);

    87     G1CollectedHeap::heap()->collection_set()->update_young_region_prediction(r, rs_length);

   112     G1YoungRemSetSamplingClosure cl(&sts);

   112     G1YoungRemSetSamplingClosure cl(&sts);

   113 

   113 

   114     G1CollectionSet* g1cs = g1h->collection_set();

   114     G1CollectionSet* g1cs = g1h->collection_set();

   115     g1cs->iterate(&cl);

   115     g1cs->iterate(&cl);

   116 

   116 

   118       g1p->revise_young_list_target_length_if_necessary(cl.sampled_rs_lengths());

   118       g1p->revise_young_list_target_length_if_necessary(cl.sampled_rs_lengths());

   119     }

   119     }

   120   }

   120   }

   121 }

   121 }