src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp

Print this page




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 







  25 // PSGCAdaptivePolicyCounters is a holder class for performance counters
  26 // that track the data and decisions for the ergonomics policy for the
  27 // parallel scavenge collector.
  28 
  29 class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
  30   friend class VMStructs;
  31 
  32  private:
  33   // survivor space vs. tenuring threshold
  34   PerfVariable* _old_promo_size;
  35   PerfVariable* _old_eden_size;
  36   PerfVariable* _avg_promoted_avg_counter;
  37   PerfVariable* _avg_promoted_dev_counter;
  38   PerfVariable* _avg_promoted_padded_avg_counter;
  39   PerfVariable* _avg_pretenured_padded_avg;
  40 
  41   // young gen vs. old gen sizing
  42   PerfVariable* _avg_major_pause;
  43   PerfVariable* _avg_major_interval;
  44   PerfVariable* _live_space;


 183   }
 184 
 185   inline void update_full_follows_scavenge(int event) {
 186     _full_follows_scavenge->set_value(event);
 187   }
 188 
 189   // Update all the counters that can be updated from the size policy.
 190   // This should be called after all policy changes have been made
 191   // and reflected internall in the size policy.
 192   void update_counters_from_policy();
 193 
 194   // Update counters that can be updated from fields internal to the
 195   // counter or from globals.  This is distinguished from counters
 196   // that are updated via input parameters.
 197   void update_counters();
 198 
 199   virtual GCPolicyCounters::Name kind() const {
 200     return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
 201   }
 202 };




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
  27 
  28 #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp"
  29 #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
  30 #include "gc_implementation/shared/gcPolicyCounters.hpp"
  31 
  32 // PSGCAdaptivePolicyCounters is a holder class for performance counters
  33 // that track the data and decisions for the ergonomics policy for the
  34 // parallel scavenge collector.
  35 
  36 class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
  37   friend class VMStructs;
  38 
  39  private:
  40   // survivor space vs. tenuring threshold
  41   PerfVariable* _old_promo_size;
  42   PerfVariable* _old_eden_size;
  43   PerfVariable* _avg_promoted_avg_counter;
  44   PerfVariable* _avg_promoted_dev_counter;
  45   PerfVariable* _avg_promoted_padded_avg_counter;
  46   PerfVariable* _avg_pretenured_padded_avg;
  47 
  48   // young gen vs. old gen sizing
  49   PerfVariable* _avg_major_pause;
  50   PerfVariable* _avg_major_interval;
  51   PerfVariable* _live_space;


 190   }
 191 
 192   inline void update_full_follows_scavenge(int event) {
 193     _full_follows_scavenge->set_value(event);
 194   }
 195 
 196   // Update all the counters that can be updated from the size policy.
 197   // This should be called after all policy changes have been made
 198   // and reflected internall in the size policy.
 199   void update_counters_from_policy();
 200 
 201   // Update counters that can be updated from fields internal to the
 202   // counter or from globals.  This is distinguished from counters
 203   // that are updated via input parameters.
 204   void update_counters();
 205 
 206   virtual GCPolicyCounters::Name kind() const {
 207     return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
 208   }
 209 };
 210 
 211 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP