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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#ifndef SHARE_VM_GC_G1_G1OLDGENALLOCATIONTRACKER_HPP
#define SHARE_VM_GC_G1_G1OLDGENALLOCATIONTRACKER_HPP

#include "gc/g1/heapRegion.hpp"
#include "memory/allocation.hpp"

// Track allocation details in the old generation.
class G1OldGenAllocationTracker : public CHeapObj<mtGC> {
private:
  // New bytes allocated in old gen between the end of the last GC and
  // the end of the GC before that.
  size_t _last_cycle_old_bytes;
  // The number of seconds between the end of the last GC and
  // the end of the GC before that.
  double _last_cycle_duration;

  size_t _allocated_bytes_since_last_gc;

public:
  G1OldGenAllocationTracker();
  // Add the given number of bytes to the total number of allocated bytes in the old gen.
  void add_allocated_bytes_since_last_gc(size_t bytes) { _allocated_bytes_since_last_gc += bytes; }

  size_t last_cycle_old_bytes() { return _last_cycle_old_bytes; }

  double last_cycle_duration() { return _last_cycle_duration; }

  // Reset stats after a collection.
  void reset_after_gc(double allocation_duration_s, bool is_full_gc);
};

#endif // SHARE_VM_GC_G1_G1OLDGENALLOCATIONTRACKER_HPP