src/hotspot/share/gc/g1/g1SurvivorRegions.cpp

rev 56834 : imported patch 8220312.stat.2
rev 56835 : imported patch 8220312.stat.3
rev 56836 : imported patch 8220312.stat.4
rev 56838 : [mq]: 8220312.stat.5

*** 28,48 ****
  #include "utilities/growableArray.hpp"
  #include "utilities/debug.hpp"
  
  G1SurvivorRegions::G1SurvivorRegions() :
    _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)),
!   _used_bytes(0) {}
  
! void G1SurvivorRegions::add(HeapRegion* hr) {
    assert(hr->is_survivor(), "should be flagged as survivor region");
    _regions->append(hr);
  }
  
  uint G1SurvivorRegions::length() const {
    return (uint)_regions->length();
  }
  
  void G1SurvivorRegions::convert_to_eden() {
    for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
         it != _regions->end();
         ++it) {
      HeapRegion* hr = *it;
--- 28,54 ----
  #include "utilities/growableArray.hpp"
  #include "utilities/debug.hpp"
  
  G1SurvivorRegions::G1SurvivorRegions() :
    _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)),
!   _used_bytes(0),
!   _regions_on_node() {}
  
! uint G1SurvivorRegions::add(HeapRegion* hr) {
    assert(hr->is_survivor(), "should be flagged as survivor region");
    _regions->append(hr);
+   return _regions_on_node.add(hr);
  }
  
  uint G1SurvivorRegions::length() const {
    return (uint)_regions->length();
  }
  
+ uint G1SurvivorRegions::regions_on_node(uint node_index) const {
+   return _regions_on_node.count(node_index);
+ }
+ 
  void G1SurvivorRegions::convert_to_eden() {
    for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
         it != _regions->end();
         ++it) {
      HeapRegion* hr = *it;
*** 52,61 ****
--- 58,68 ----
  }
  
  void G1SurvivorRegions::clear() {
    _regions->clear();
    _used_bytes = 0;
+   _regions_on_node.clear();
  }
  
  void G1SurvivorRegions::add_used_bytes(size_t used_bytes) {
    _used_bytes += used_bytes;
  }