src/hotspot/share/gc/g1/g1Policy.cpp

rev 57039 : imported patch 8227739-merge-scan-rs-update-rs-cost
rev 57040 : imported patch 8227739-sjohanss-review
rev 57044 : imported patch 8227434-g1-predictions-overflow
rev 57051 : imported patch 8233588-cleanup-survrategroup
rev 57053 : imported patch 8231579-incremental-calculation-wrong
rev 57058 : imported patch 8234587-rename-g1survrategroup

*** 60,71 ****
    _full_collection_start_sec(0.0),
    _collection_pause_end_millis(os::javaTimeNanos() / NANOSECS_PER_MILLISEC),
    _young_list_target_length(0),
    _young_list_fixed_length(0),
    _young_list_max_length(0),
!   _eden_surv_rate_group(new SurvRateGroup()),
!   _survivor_surv_rate_group(new SurvRateGroup()),
    _reserve_factor((double) G1ReservePercent / 100.0),
    _reserve_regions(0),
    _young_gen_sizer(G1YoungGenSizer::create_gen_sizer()),
    _free_regions_at_end_of_collection(0),
    _rs_length(0),
--- 60,71 ----
    _full_collection_start_sec(0.0),
    _collection_pause_end_millis(os::javaTimeNanos() / NANOSECS_PER_MILLISEC),
    _young_list_target_length(0),
    _young_list_fixed_length(0),
    _young_list_max_length(0),
!   _eden_surv_rate_group(new G1SurvRateGroup()),
!   _survivor_surv_rate_group(new G1SurvRateGroup()),
    _reserve_factor((double) G1ReservePercent / 100.0),
    _reserve_regions(0),
    _young_gen_sizer(G1YoungGenSizer::create_gen_sizer()),
    _free_regions_at_end_of_collection(0),
    _rs_length(0),
*** 458,468 ****
  
    _eden_surv_rate_group->start_adding_regions();
    // also call this on any additional surv rate groups
  
    _free_regions_at_end_of_collection = _g1h->num_free_regions();
-   // Reset survivors SurvRateGroup.
    _survivor_surv_rate_group->reset();
    update_young_list_max_and_target_length();
    update_rs_length_prediction();
    _pending_cards_at_prev_gc_end = _g1h->pending_card_num();
  
--- 458,467 ----
*** 1389,1400 ****
    log_debug(gc, ergo, cset)("Prepared %u regions out of %u for optional evacuation. Predicted time: %.3fms",
                              num_optional_regions, max_optional_regions, prediction_ms);
  }
  
  void G1Policy::transfer_survivors_to_cset(const G1SurvivorRegions* survivors) {
- 
-   // Add survivor regions to SurvRateGroup.
    note_start_adding_survivor_regions();
  
    HeapRegion* last = NULL;
    for (GrowableArrayIterator<HeapRegion*> it = survivors->regions()->begin();
         it != survivors->regions()->end();
--- 1388,1397 ----