jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp@98cb887364d3 (annotated)

src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp@98cb887364d3 (annotated)

src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp

Fri, 27 Feb 2009 13:27:09 -0800

author: twisti
date: Fri, 27 Feb 2009 13:27:09 -0800
changeset 1040: 98cb887364d3
parent 435: a61af66fc99e
child 1907: c18cbe5936b8
permissions: -rw-r--r--

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

 /*
  * Copyright 2004-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  *
  */
 // CMSGCAdaptivePolicyCounters is a holder class for performance counters
 // that track the data and decisions for the ergonomics policy for the
 // concurrent mark sweep collector
 class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
   friend class VMStructs;
  private:
   // Capacity of tenured generation recorded at the end of
   // any collection.
   PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity
   // Average stop-the-world pause time for both initial and
   // remark pauses sampled at the end of the checkpointRootsFinalWork.
   PerfVariable* _avg_cms_STW_time_counter;
   // Average stop-the-world (STW) GC cost for the STW pause time
   // _avg_cms_STW_time_counter.
   PerfVariable* _avg_cms_STW_gc_cost_counter;
 #ifdef NOT_PRODUCT
   // These are useful to see how the most recent values of these
   // counters compare to their respective averages but
   // do not control behavior.
   PerfVariable* _initial_pause_counter;
   PerfVariable* _remark_pause_counter;
 #endif
   // Average of the initial marking pause for a concurrent collection.
   PerfVariable* _avg_initial_pause_counter;
   // Average of the remark pause for a concurrent collection.
   PerfVariable* _avg_remark_pause_counter;
   // Average for the sum of all the concurrent times per collection.
   PerfVariable* _avg_concurrent_time_counter;
   // Average for the time between the most recent end of a
   // concurrent collection and the beginning of the next
   // concurrent collection.
   PerfVariable* _avg_concurrent_interval_counter;
   // Average of the concurrent GC costs based on _avg_concurrent_time_counter
   // and _avg_concurrent_interval_counter.
   PerfVariable* _avg_concurrent_gc_cost_counter;
   // Average of the free space in the tenured generation at the
   // end of the sweep of the tenured generation.
   PerfVariable* _avg_cms_free_counter;
   // Average of the free space in the tenured generation at the
   // start of the sweep of the tenured generation.
   PerfVariable* _avg_cms_free_at_sweep_counter;
   // Average of the free space in the tenured generation at the
   // after any resizing of the tenured generation at the end
   // of a collection of the tenured generation.
   PerfVariable* _avg_cms_promo_counter;
   // Average of  the mark-sweep-compact (MSC) pause time for a collection
   // of the tenured generation.
   PerfVariable* _avg_msc_pause_counter;
   // Average for the time between the most recent end of a
   // MSC collection and the beginning of the next
   // MSC collection.
   PerfVariable* _avg_msc_interval_counter;
   // Average for the GC cost of a MSC collection based on
   // _avg_msc_pause_counter and _avg_msc_interval_counter.
   PerfVariable* _msc_gc_cost_counter;
   // Average of  the mark-sweep (MS) pause time for a collection
   // of the tenured generation.
   PerfVariable* _avg_ms_pause_counter;
   // Average for the time between the most recent end of a
   // MS collection and the beginning of the next
   // MS collection.
   PerfVariable* _avg_ms_interval_counter;
   // Average for the GC cost of a MS collection based on
   // _avg_ms_pause_counter and _avg_ms_interval_counter.
   PerfVariable* _ms_gc_cost_counter;
   // Average of the bytes promoted per minor collection.
   PerfVariable* _promoted_avg_counter;
   // Average of the deviation of the promoted average
   PerfVariable* _promoted_avg_dev_counter;
   // Padded average of the bytes promoted per minor colleciton
   PerfVariable* _promoted_padded_avg_counter;
   // See description of the _change_young_gen_for_maj_pauses
   // variable recently in cmsAdaptiveSizePolicy.hpp.
   PerfVariable* _change_young_gen_for_maj_pauses_counter;
   // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope,
   // etc. variables recently in cmsAdaptiveSizePolicy.hpp.
   PerfVariable* _remark_pause_old_slope_counter;
   PerfVariable* _initial_pause_old_slope_counter;
   PerfVariable* _remark_pause_young_slope_counter;
   PerfVariable* _initial_pause_young_slope_counter;
   CMSAdaptiveSizePolicy* cms_size_policy() {
     assert(_size_policy->kind() ==
       AdaptiveSizePolicy::_gc_cms_adaptive_size_policy,
       "Wrong size policy");
     return (CMSAdaptiveSizePolicy*)_size_policy;
   }
   inline void update_avg_cms_STW_time_counter() {
     _avg_cms_STW_time_counter->set_value(
       (jlong) (cms_size_policy()->avg_cms_STW_time()->average() *
       (double) MILLIUNITS));
   }
   inline void update_avg_cms_STW_gc_cost_counter() {
     _avg_cms_STW_gc_cost_counter->set_value(
       (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0));
   }
   inline void update_avg_initial_pause_counter() {
     _avg_initial_pause_counter->set_value(
       (jlong) (cms_size_policy()->avg_initial_pause()->average() *
       (double) MILLIUNITS));
   }
 #ifdef NOT_PRODUCT
   inline void update_avg_remark_pause_counter() {
     _avg_remark_pause_counter->set_value(
       (jlong) (cms_size_policy()-> avg_remark_pause()->average() *
       (double) MILLIUNITS));
   }
   inline void update_initial_pause_counter() {
     _initial_pause_counter->set_value(
       (jlong) (cms_size_policy()->avg_initial_pause()->average() *
       (double) MILLIUNITS));
   }
 #endif
   inline void update_remark_pause_counter() {
     _remark_pause_counter->set_value(
       (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() *
       (double) MILLIUNITS));
   }
   inline void update_avg_concurrent_time_counter() {
     _avg_concurrent_time_counter->set_value(
       (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() *
       (double) MILLIUNITS));
   }
   inline void update_avg_concurrent_interval_counter() {
     _avg_concurrent_interval_counter->set_value(
       (jlong) (cms_size_policy()->avg_concurrent_interval()->average() *
       (double) MILLIUNITS));
   }
   inline void update_avg_concurrent_gc_cost_counter() {
     _avg_concurrent_gc_cost_counter->set_value(
       (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0));
   }
   inline void update_avg_cms_free_counter() {
     _avg_cms_free_counter->set_value(
       (jlong) cms_size_policy()->avg_cms_free()->average());
   }
   inline void update_avg_cms_free_at_sweep_counter() {
     _avg_cms_free_at_sweep_counter->set_value(
       (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average());
   }
   inline void update_avg_cms_promo_counter() {
     _avg_cms_promo_counter->set_value(
       (jlong) cms_size_policy()->avg_cms_promo()->average());
   }
   inline void update_avg_old_live_counter() {
     _avg_old_live_counter->set_value(
       (jlong)(cms_size_policy()->avg_old_live()->average())
     );
   }
   inline void update_avg_msc_pause_counter() {
     _avg_msc_pause_counter->set_value(
       (jlong) (cms_size_policy()->avg_msc_pause()->average() *
       (double) MILLIUNITS));
   }
   inline void update_avg_msc_interval_counter() {
     _avg_msc_interval_counter->set_value(
       (jlong) (cms_size_policy()->avg_msc_interval()->average() *
       (double) MILLIUNITS));
   }
   inline void update_msc_gc_cost_counter() {
     _msc_gc_cost_counter->set_value(
       (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0));
   }
   inline void update_avg_ms_pause_counter() {
     _avg_ms_pause_counter->set_value(
       (jlong) (cms_size_policy()->avg_ms_pause()->average() *
       (double) MILLIUNITS));
   }
   inline void update_avg_ms_interval_counter() {
     _avg_ms_interval_counter->set_value(
       (jlong) (cms_size_policy()->avg_ms_interval()->average() *
       (double) MILLIUNITS));
   }
   inline void update_ms_gc_cost_counter() {
     _ms_gc_cost_counter->set_value(
       (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0));
   }
   inline void update_major_gc_cost_counter() {
     _major_gc_cost_counter->set_value(
       (jlong)(cms_size_policy()->cms_gc_cost() * 100.0)
     );
   }
   inline void update_mutator_cost_counter() {
     _mutator_cost_counter->set_value(
       (jlong)(cms_size_policy()->mutator_cost() * 100.0)
     );
   }
   inline void update_avg_promoted_avg(CMSGCStats* gc_stats) {
     _promoted_avg_counter->set_value(
       (jlong)(gc_stats->avg_promoted()->average())
     );
   }
   inline void update_avg_promoted_dev(CMSGCStats* gc_stats) {
     _promoted_avg_dev_counter->set_value(
       (jlong)(gc_stats->avg_promoted()->deviation())
     );
   }
   inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) {
     _promoted_padded_avg_counter->set_value(
       (jlong)(gc_stats->avg_promoted()->padded_average())
     );
   }
   inline void update_remark_pause_old_slope_counter() {
     _remark_pause_old_slope_counter->set_value(
       (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000)
     );
   }
   inline void update_initial_pause_old_slope_counter() {
     _initial_pause_old_slope_counter->set_value(
       (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000)
     );
   }
   inline void update_remark_pause_young_slope_counter() {
     _remark_pause_young_slope_counter->set_value(
       (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000)
     );
   }
   inline void update_initial_pause_young_slope_counter() {
     _initial_pause_young_slope_counter->set_value(
       (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000)
     );
   }
   inline void update_change_young_gen_for_maj_pauses() {
     _change_young_gen_for_maj_pauses_counter->set_value(
       cms_size_policy()->change_young_gen_for_maj_pauses());
   }
  public:
   CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations,
                               AdaptiveSizePolicy* size_policy);
   // update counters
   void update_counters();
   void update_counters(CMSGCStats* gc_stats);
   void update_counters_from_policy();
   inline void update_cms_capacity_counter(size_t size_in_bytes) {
     _cms_capacity_counter->set_value(size_in_bytes);
   }
   virtual GCPolicyCounters::Name kind() const {
     return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind;
   }
 };

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp@98cb887364d3 (annotated)

src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp