src/hotspot/share/gc/g1/g1EdenRegions.hpp

rev 56461 : imported patch 8220312.stat.2
rev 56462 : imported patch 8220312.stat.3
rev 56463 : [mq]: 8220312.stat.4

*** 23,54 ****
   */
  
  #ifndef SHARE_GC_G1_G1EDENREGIONS_HPP
  #define SHARE_GC_G1_G1EDENREGIONS_HPP
  
  #include "gc/g1/heapRegion.hpp"
  #include "runtime/globals.hpp"
  #include "utilities/debug.hpp"
  
  class G1EdenRegions {
  private:
    int    _length;
    // Sum of used bytes from all retired eden regions.
    // I.e. updated when mutator regions are retired.
    volatile size_t _used_bytes;
  
  public:
!   G1EdenRegions() : _length(0), _used_bytes(0) { }
  
!   void add(HeapRegion* hr) {
      assert(!hr->is_eden(), "should not already be set");
      _length++;
    }
  
!   void clear() { _length = 0; _used_bytes = 0; }
  
    uint length() const { return _length; }
  
    size_t used_bytes() const { return _used_bytes; }
  
    void add_used_bytes(size_t used_bytes) {
      _used_bytes += used_bytes;
--- 23,62 ----
   */
  
  #ifndef SHARE_GC_G1_G1EDENREGIONS_HPP
  #define SHARE_GC_G1_G1EDENREGIONS_HPP
  
+ #include "gc/g1/g1RegionCounts.hpp"
  #include "gc/g1/heapRegion.hpp"
  #include "runtime/globals.hpp"
  #include "utilities/debug.hpp"
  
  class G1EdenRegions {
  private:
    int    _length;
    // Sum of used bytes from all retired eden regions.
    // I.e. updated when mutator regions are retired.
    volatile size_t _used_bytes;
+   G1RegionCounts  _region_counts;
  
  public:
!   G1EdenRegions() : _length(0), _used_bytes(0), _region_counts() { }
  
!   virtual uint add(HeapRegion* hr) {
      assert(!hr->is_eden(), "should not already be set");
      _length++;
+     return _region_counts.add(hr);
    }
  
!   void clear() {
!     _length = 0;
!     _used_bytes = 0;
!     _region_counts.clear();
!   }
  
    uint length() const { return _length; }
+   uint length(uint node_index) const { return _region_counts.length(node_index); }
  
    size_t used_bytes() const { return _used_bytes; }
  
    void add_used_bytes(size_t used_bytes) {
      _used_bytes += used_bytes;