duke@435: /*
stefank@2314:  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp"
stefank@2314: #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
stefank@2314: #include "gc_implementation/shared/gcStats.hpp"
stefank@2314: #include "runtime/perfData.hpp"
stefank@2314: 
duke@435: // CMSGCAdaptivePolicyCounters is a holder class for performance counters
duke@435: // that track the data and decisions for the ergonomics policy for the
duke@435: // concurrent mark sweep collector
duke@435: 
duke@435: class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
duke@435:   friend class VMStructs;
duke@435: 
duke@435:  private:
duke@435: 
duke@435:   // Capacity of tenured generation recorded at the end of
duke@435:   // any collection.
duke@435:   PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity
duke@435: 
duke@435:   // Average stop-the-world pause time for both initial and
duke@435:   // remark pauses sampled at the end of the checkpointRootsFinalWork.
duke@435:   PerfVariable* _avg_cms_STW_time_counter;
duke@435:   // Average stop-the-world (STW) GC cost for the STW pause time
duke@435:   // _avg_cms_STW_time_counter.
duke@435:   PerfVariable* _avg_cms_STW_gc_cost_counter;
duke@435: 
duke@435: #ifdef NOT_PRODUCT
duke@435:   // These are useful to see how the most recent values of these
duke@435:   // counters compare to their respective averages but
duke@435:   // do not control behavior.
duke@435:   PerfVariable* _initial_pause_counter;
duke@435:   PerfVariable* _remark_pause_counter;
duke@435: #endif
duke@435: 
duke@435:   // Average of the initial marking pause for a concurrent collection.
duke@435:   PerfVariable* _avg_initial_pause_counter;
duke@435:   // Average of the remark pause for a concurrent collection.
duke@435:   PerfVariable* _avg_remark_pause_counter;
duke@435: 
duke@435:   // Average for the sum of all the concurrent times per collection.
duke@435:   PerfVariable* _avg_concurrent_time_counter;
duke@435:   // Average for the time between the most recent end of a
duke@435:   // concurrent collection and the beginning of the next
duke@435:   // concurrent collection.
duke@435:   PerfVariable* _avg_concurrent_interval_counter;
duke@435:   // Average of the concurrent GC costs based on _avg_concurrent_time_counter
duke@435:   // and _avg_concurrent_interval_counter.
duke@435:   PerfVariable* _avg_concurrent_gc_cost_counter;
duke@435: 
duke@435:   // Average of the free space in the tenured generation at the
duke@435:   // end of the sweep of the tenured generation.
duke@435:   PerfVariable* _avg_cms_free_counter;
duke@435:   // Average of the free space in the tenured generation at the
twisti@1040:   // start of the sweep of the tenured generation.
duke@435:   PerfVariable* _avg_cms_free_at_sweep_counter;
duke@435:   // Average of the free space in the tenured generation at the
duke@435:   // after any resizing of the tenured generation at the end
duke@435:   // of a collection of the tenured generation.
duke@435:   PerfVariable* _avg_cms_promo_counter;
duke@435: 
duke@435:   // Average of  the mark-sweep-compact (MSC) pause time for a collection
duke@435:   // of the tenured generation.
duke@435:   PerfVariable* _avg_msc_pause_counter;
duke@435:   // Average for the time between the most recent end of a
duke@435:   // MSC collection and the beginning of the next
duke@435:   // MSC collection.
duke@435:   PerfVariable* _avg_msc_interval_counter;
duke@435:   // Average for the GC cost of a MSC collection based on
duke@435:   // _avg_msc_pause_counter and _avg_msc_interval_counter.
duke@435:   PerfVariable* _msc_gc_cost_counter;
duke@435: 
duke@435:   // Average of  the mark-sweep (MS) pause time for a collection
duke@435:   // of the tenured generation.
duke@435:   PerfVariable* _avg_ms_pause_counter;
duke@435:   // Average for the time between the most recent end of a
duke@435:   // MS collection and the beginning of the next
duke@435:   // MS collection.
duke@435:   PerfVariable* _avg_ms_interval_counter;
duke@435:   // Average for the GC cost of a MS collection based on
duke@435:   // _avg_ms_pause_counter and _avg_ms_interval_counter.
duke@435:   PerfVariable* _ms_gc_cost_counter;
duke@435: 
duke@435:   // Average of the bytes promoted per minor collection.
duke@435:   PerfVariable* _promoted_avg_counter;
duke@435:   // Average of the deviation of the promoted average
duke@435:   PerfVariable* _promoted_avg_dev_counter;
duke@435:   // Padded average of the bytes promoted per minor colleciton
duke@435:   PerfVariable* _promoted_padded_avg_counter;
duke@435: 
duke@435:   // See description of the _change_young_gen_for_maj_pauses
duke@435:   // variable recently in cmsAdaptiveSizePolicy.hpp.
duke@435:   PerfVariable* _change_young_gen_for_maj_pauses_counter;
duke@435: 
duke@435:   // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope,
duke@435:   // etc. variables recently in cmsAdaptiveSizePolicy.hpp.
duke@435:   PerfVariable* _remark_pause_old_slope_counter;
duke@435:   PerfVariable* _initial_pause_old_slope_counter;
duke@435:   PerfVariable* _remark_pause_young_slope_counter;
duke@435:   PerfVariable* _initial_pause_young_slope_counter;
duke@435: 
duke@435:   CMSAdaptiveSizePolicy* cms_size_policy() {
duke@435:     assert(_size_policy->kind() ==
duke@435:       AdaptiveSizePolicy::_gc_cms_adaptive_size_policy,
duke@435:       "Wrong size policy");
duke@435:     return (CMSAdaptiveSizePolicy*)_size_policy;
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_cms_STW_time_counter() {
duke@435:     _avg_cms_STW_time_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_cms_STW_time()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_cms_STW_gc_cost_counter() {
duke@435:     _avg_cms_STW_gc_cost_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_initial_pause_counter() {
duke@435:     _avg_initial_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_initial_pause()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: #ifdef NOT_PRODUCT
duke@435:   inline void update_avg_remark_pause_counter() {
duke@435:     _avg_remark_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()-> avg_remark_pause()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_initial_pause_counter() {
duke@435:     _initial_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_initial_pause()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: #endif
duke@435:   inline void update_remark_pause_counter() {
duke@435:     _remark_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_concurrent_time_counter() {
duke@435:     _avg_concurrent_time_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_concurrent_interval_counter() {
duke@435:     _avg_concurrent_interval_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_concurrent_interval()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_concurrent_gc_cost_counter() {
duke@435:     _avg_concurrent_gc_cost_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_cms_free_counter() {
duke@435:     _avg_cms_free_counter->set_value(
duke@435:       (jlong) cms_size_policy()->avg_cms_free()->average());
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_cms_free_at_sweep_counter() {
duke@435:     _avg_cms_free_at_sweep_counter->set_value(
duke@435:       (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average());
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_cms_promo_counter() {
duke@435:     _avg_cms_promo_counter->set_value(
duke@435:       (jlong) cms_size_policy()->avg_cms_promo()->average());
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_old_live_counter() {
duke@435:     _avg_old_live_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->avg_old_live()->average())
duke@435:     );
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_msc_pause_counter() {
duke@435:     _avg_msc_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_msc_pause()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_msc_interval_counter() {
duke@435:     _avg_msc_interval_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_msc_interval()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_msc_gc_cost_counter() {
duke@435:     _msc_gc_cost_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_ms_pause_counter() {
duke@435:     _avg_ms_pause_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_ms_pause()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_ms_interval_counter() {
duke@435:     _avg_ms_interval_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_ms_interval()->average() *
duke@435:       (double) MILLIUNITS));
duke@435:   }
duke@435: 
duke@435:   inline void update_ms_gc_cost_counter() {
duke@435:     _ms_gc_cost_counter->set_value(
duke@435:       (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0));
duke@435:   }
duke@435: 
duke@435:   inline void update_major_gc_cost_counter() {
duke@435:     _major_gc_cost_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->cms_gc_cost() * 100.0)
duke@435:     );
duke@435:   }
duke@435:   inline void update_mutator_cost_counter() {
duke@435:     _mutator_cost_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->mutator_cost() * 100.0)
duke@435:     );
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_promoted_avg(CMSGCStats* gc_stats) {
duke@435:     _promoted_avg_counter->set_value(
duke@435:       (jlong)(gc_stats->avg_promoted()->average())
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_promoted_dev(CMSGCStats* gc_stats) {
duke@435:     _promoted_avg_dev_counter->set_value(
duke@435:       (jlong)(gc_stats->avg_promoted()->deviation())
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) {
duke@435:     _promoted_padded_avg_counter->set_value(
duke@435:       (jlong)(gc_stats->avg_promoted()->padded_average())
duke@435:     );
duke@435:   }
duke@435:   inline void update_remark_pause_old_slope_counter() {
duke@435:     _remark_pause_old_slope_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_initial_pause_old_slope_counter() {
duke@435:     _initial_pause_old_slope_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_remark_pause_young_slope_counter() {
duke@435:     _remark_pause_young_slope_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_initial_pause_young_slope_counter() {
duke@435:     _initial_pause_young_slope_counter->set_value(
duke@435:       (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_change_young_gen_for_maj_pauses() {
duke@435:     _change_young_gen_for_maj_pauses_counter->set_value(
duke@435:       cms_size_policy()->change_young_gen_for_maj_pauses());
duke@435:   }
duke@435: 
duke@435:  public:
duke@435:   CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations,
duke@435:                               AdaptiveSizePolicy* size_policy);
duke@435: 
duke@435:   // update counters
duke@435:   void update_counters();
duke@435:   void update_counters(CMSGCStats* gc_stats);
duke@435:   void update_counters_from_policy();
duke@435: 
duke@435:   inline void update_cms_capacity_counter(size_t size_in_bytes) {
duke@435:     _cms_capacity_counter->set_value(size_in_bytes);
duke@435:   }
duke@435: 
duke@435:   virtual GCPolicyCounters::Name kind() const {
duke@435:     return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind;
duke@435:   }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP