src/hotspot/share/gc/g1/g1OldGenAllocationTracker.cpp

rev 60541 : [mq]: 8245511-base
rev 60542 : [mq]: 8245511-rev.3

*** 22,42 ****
   *
   */
  
  #include "precompiled.hpp"
  #include "gc/g1/g1OldGenAllocationTracker.hpp"
  
  G1OldGenAllocationTracker::G1OldGenAllocationTracker() :
!   _last_cycle_old_bytes(0),
!   _last_cycle_duration(0.0),
!   _allocated_bytes_since_last_gc(0) {
  }
  
! void G1OldGenAllocationTracker::reset_after_full_gc() {
!   _last_cycle_duration = 0;
!   reset_cycle_after_gc();
  }
  
! void G1OldGenAllocationTracker::reset_after_young_gc(double allocation_duration_s) {
!   _last_cycle_duration = allocation_duration_s;
!   reset_cycle_after_gc();
! }
\ No newline at end of file
--- 22,63 ----
   *
   */
  
  #include "precompiled.hpp"
  #include "gc/g1/g1OldGenAllocationTracker.hpp"
+ #include "logging/log.hpp"
  
  G1OldGenAllocationTracker::G1OldGenAllocationTracker() :
!   _last_period_old_bytes(0),
!   _last_period_humongous_bytes(0),
!   _humongous_bytes_after_last_gc(0),
!   _humongous_bytes_after_penultimate_gc(0),
!   _allocated_bytes_since_last_gc(0),
!   _allocated_humongous_bytes_since_last_gc(0) {
  }
  
! void G1OldGenAllocationTracker::reset_after_gc(size_t humongous_bytes_after_gc) {
!   // Record last
!   _last_period_old_bytes = _allocated_bytes_since_last_gc;
!   _last_period_humongous_bytes = _allocated_humongous_bytes_since_last_gc;
!   _humongous_bytes_after_penultimate_gc = _humongous_bytes_after_last_gc;
!   _humongous_bytes_after_last_gc = humongous_bytes_after_gc;
!   // Reset
!   _allocated_bytes_since_last_gc = 0;
!   _allocated_humongous_bytes_since_last_gc = 0;
!   log_debug(gc, alloc, stats)("Old generation allocation in the last mutator period, "
!                               "old gen allocated: " SIZE_FORMAT "B, humongous allocated: " SIZE_FORMAT "B.",
!                               _last_period_old_bytes, _last_period_humongous_bytes);
  }
  
! size_t G1OldGenAllocationTracker::last_period_net_survived_old_bytes() const {
!   // The upper limit of the freed region count is the number of regions allocated
!   // since the last gc. When more humongous regions survived the current gc than
!   // survived the previous one, deduct the increment.
!   size_t freed_humongous_bytes = _last_period_humongous_bytes;
! 
!   if (freed_humongous_bytes > 0 && _humongous_bytes_after_penultimate_gc < _humongous_bytes_after_last_gc) {
!     freed_humongous_bytes -= _humongous_bytes_after_last_gc - _humongous_bytes_after_penultimate_gc;
!   }
!   assert(_last_period_old_bytes >= freed_humongous_bytes, "Allocation rate cannot be negative");
!   return _last_period_old_bytes - freed_humongous_bytes;
!  }