jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp@f90c822e73f8 (annotated)

src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp@f90c822e73f8 (annotated)

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

Wed, 27 Apr 2016 01:25:04 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:25:04 +0800
changeset 0: f90c822e73f8
child 6876: 710a3c8b516e
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

 /*
  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
 #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp"
 #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
 #include "gc_implementation/shared/gcPolicyCounters.hpp"
 // PSGCAdaptivePolicyCounters is a holder class for performance counters
 // that track the data and decisions for the ergonomics policy for the
 // parallel scavenge collector.
 class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
   friend class VMStructs;
  private:
   // survivor space vs. tenuring threshold
   PerfVariable* _old_promo_size;
   PerfVariable* _old_eden_size;
   PerfVariable* _avg_promoted_avg_counter;
   PerfVariable* _avg_promoted_dev_counter;
   PerfVariable* _avg_promoted_padded_avg_counter;
   PerfVariable* _avg_pretenured_padded_avg;
   // young gen vs. old gen sizing
   PerfVariable* _avg_major_pause;
   PerfVariable* _avg_major_interval;
   PerfVariable* _live_space;
   PerfVariable* _free_space;
   PerfVariable* _avg_base_footprint;
   PerfVariable* _gc_overhead_limit_exceeded_counter;
   PerfVariable* _live_at_last_full_gc_counter;
   PerfVariable* _old_capacity;
   PerfVariable* _boundary_moved;
   PerfVariable* _change_old_gen_for_min_pauses;
   PerfVariable* _change_young_gen_for_maj_pauses_counter;
   PerfVariable* _major_pause_old_slope;
   PerfVariable* _minor_pause_old_slope;
   PerfVariable* _major_pause_young_slope;
   PerfVariable* _scavenge_skipped;
   PerfVariable* _full_follows_scavenge;
   // Use this time stamp if the gc time stamp is not available.
   TimeStamp     _counter_time_stamp;
  protected:
   PSAdaptiveSizePolicy* ps_size_policy() {
     return (PSAdaptiveSizePolicy*)_size_policy;
   }
  public:
   PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations,
                              PSAdaptiveSizePolicy* size_policy);
   inline void update_old_capacity(size_t size_in_bytes) {
     _old_capacity->set_value(size_in_bytes);
   }
   inline void update_old_eden_size(size_t old_size) {
     _old_eden_size->set_value(old_size);
   }
   inline void update_old_promo_size(size_t old_size) {
     _old_promo_size->set_value(old_size);
   }
   inline void update_boundary_moved(int size_in_bytes) {
     _boundary_moved->set_value(size_in_bytes);
   }
   inline void update_avg_promoted_avg() {
     _avg_promoted_avg_counter->set_value(
       (jlong)(ps_size_policy()->avg_promoted()->average())
     );
   }
   inline void update_avg_promoted_dev() {
     _avg_promoted_dev_counter->set_value(
       (jlong)(ps_size_policy()->avg_promoted()->deviation())
     );
   }
   inline void update_avg_promoted_padded_avg() {
     _avg_promoted_padded_avg_counter->set_value(
       (jlong)(ps_size_policy()->avg_promoted()->padded_average())
     );
   }
   inline void update_avg_pretenured_padded_avg() {
     _avg_pretenured_padded_avg->set_value(
       (jlong)(ps_size_policy()->_avg_pretenured->padded_average())
     );
   }
   inline void update_change_young_gen_for_maj_pauses() {
     _change_young_gen_for_maj_pauses_counter->set_value(
       ps_size_policy()->change_young_gen_for_maj_pauses());
   }
   inline void update_change_old_gen_for_min_pauses() {
     _change_old_gen_for_min_pauses->set_value(
       ps_size_policy()->change_old_gen_for_min_pauses());
   }
   // compute_generations_free_space() statistics
   inline void update_avg_major_pause() {
     _avg_major_pause->set_value(
       (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0)
     );
   }
   inline void update_avg_major_interval() {
     _avg_major_interval->set_value(
       (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0)
     );
   }
   inline void update_major_gc_cost_counter() {
     _major_gc_cost_counter->set_value(
       (jlong)(ps_size_policy()->major_gc_cost() * 100.0)
     );
   }
   inline void update_mutator_cost_counter() {
     _mutator_cost_counter->set_value(
       (jlong)(ps_size_policy()->mutator_cost() * 100.0)
     );
   }
   inline void update_live_space() {
     _live_space->set_value(ps_size_policy()->live_space());
   }
   inline void update_free_space() {
     _free_space->set_value(ps_size_policy()->free_space());
   }
   inline void update_avg_base_footprint() {
     _avg_base_footprint->set_value(
       (jlong)(ps_size_policy()->avg_base_footprint()->average())
     );
   }
   inline void update_avg_old_live() {
     _avg_old_live_counter->set_value(
       (jlong)(ps_size_policy()->avg_old_live()->average())
     );
   }
   // Scale up all the slopes
   inline void update_major_pause_old_slope() {
     _major_pause_old_slope->set_value(
       (jlong)(ps_size_policy()->major_pause_old_slope() * 1000)
     );
   }
   inline void update_minor_pause_old_slope() {
     _minor_pause_old_slope->set_value(
       (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000)
     );
   }
   inline void update_major_pause_young_slope() {
     _major_pause_young_slope->set_value(
       (jlong)(ps_size_policy()->major_pause_young_slope() * 1000)
     );
   }
   inline void update_gc_overhead_limit_exceeded_counter() {
     _gc_overhead_limit_exceeded_counter->set_value(
       (jlong) ps_size_policy()->gc_overhead_limit_exceeded());
   }
   inline void update_live_at_last_full_gc_counter() {
     _live_at_last_full_gc_counter->set_value(
       (jlong)(ps_size_policy()->live_at_last_full_gc()));
   }
   inline void update_scavenge_skipped(int cause) {
     _scavenge_skipped->set_value(cause);
   }
   inline void update_full_follows_scavenge(int event) {
     _full_follows_scavenge->set_value(event);
   }
   // Update all the counters that can be updated from the size policy.
   // This should be called after all policy changes have been made
   // and reflected internall in the size policy.
   void update_counters_from_policy();
   // Update counters that can be updated from fields internal to the
   // counter or from globals.  This is distinguished from counters
   // that are updated via input parameters.
   void update_counters();
   virtual GCPolicyCounters::Name kind() const {
     return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
   }
 };
 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp@f90c822e73f8 (annotated)

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