duke@435: /*
trims@1907:  * Copyright (c) 2003, 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_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp"
stefank@2314: #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
stefank@2314: #include "gc_implementation/shared/gcPolicyCounters.hpp"
stefank@2314: 
duke@435: // PSGCAdaptivePolicyCounters is a holder class for performance counters
duke@435: // that track the data and decisions for the ergonomics policy for the
duke@435: // parallel scavenge collector.
duke@435: 
duke@435: class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
duke@435:   friend class VMStructs;
duke@435: 
duke@435:  private:
duke@435:   // survivor space vs. tenuring threshold
duke@435:   PerfVariable* _old_promo_size;
duke@435:   PerfVariable* _old_eden_size;
duke@435:   PerfVariable* _avg_promoted_avg_counter;
duke@435:   PerfVariable* _avg_promoted_dev_counter;
duke@435:   PerfVariable* _avg_promoted_padded_avg_counter;
duke@435:   PerfVariable* _avg_pretenured_padded_avg;
duke@435: 
duke@435:   // young gen vs. old gen sizing
duke@435:   PerfVariable* _avg_major_pause;
duke@435:   PerfVariable* _avg_major_interval;
duke@435:   PerfVariable* _live_space;
duke@435:   PerfVariable* _free_space;
duke@435:   PerfVariable* _avg_base_footprint;
jmasa@1822:   PerfVariable* _gc_overhead_limit_exceeded_counter;
jmasa@1822:   PerfVariable* _live_at_last_full_gc_counter;
duke@435:   PerfVariable* _old_capacity;
duke@435:   PerfVariable* _boundary_moved;
duke@435: 
duke@435:   PerfVariable* _change_old_gen_for_min_pauses;
duke@435:   PerfVariable* _change_young_gen_for_maj_pauses_counter;
duke@435: 
duke@435:   PerfVariable* _major_pause_old_slope;
duke@435:   PerfVariable* _minor_pause_old_slope;
duke@435:   PerfVariable* _major_pause_young_slope;
duke@435: 
duke@435:   PerfVariable* _scavenge_skipped;
duke@435:   PerfVariable* _full_follows_scavenge;
duke@435: 
duke@435:   // Use this time stamp if the gc time stamp is not available.
duke@435:   TimeStamp     _counter_time_stamp;
duke@435: 
duke@435:  protected:
duke@435:   PSAdaptiveSizePolicy* ps_size_policy() {
duke@435:     return (PSAdaptiveSizePolicy*)_size_policy;
duke@435:   }
duke@435: 
duke@435:  public:
duke@435:   PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations,
duke@435:                              PSAdaptiveSizePolicy* size_policy);
duke@435:   inline void update_old_capacity(size_t size_in_bytes) {
duke@435:     _old_capacity->set_value(size_in_bytes);
duke@435:   }
duke@435:   inline void update_old_eden_size(size_t old_size) {
duke@435:     _old_eden_size->set_value(old_size);
duke@435:   }
duke@435:   inline void update_old_promo_size(size_t old_size) {
duke@435:     _old_promo_size->set_value(old_size);
duke@435:   }
duke@435:   inline void update_boundary_moved(int size_in_bytes) {
duke@435:     _boundary_moved->set_value(size_in_bytes);
duke@435:   }
duke@435:   inline void update_avg_promoted_avg() {
duke@435:     _avg_promoted_avg_counter->set_value(
duke@435:       (jlong)(ps_size_policy()->avg_promoted()->average())
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_promoted_dev() {
duke@435:     _avg_promoted_dev_counter->set_value(
duke@435:       (jlong)(ps_size_policy()->avg_promoted()->deviation())
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_promoted_padded_avg() {
duke@435:     _avg_promoted_padded_avg_counter->set_value(
duke@435:       (jlong)(ps_size_policy()->avg_promoted()->padded_average())
duke@435:     );
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_pretenured_padded_avg() {
duke@435:     _avg_pretenured_padded_avg->set_value(
duke@435:       (jlong)(ps_size_policy()->_avg_pretenured->padded_average())
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:       ps_size_policy()->change_young_gen_for_maj_pauses());
duke@435:   }
duke@435:   inline void update_change_old_gen_for_min_pauses() {
duke@435:     _change_old_gen_for_min_pauses->set_value(
duke@435:       ps_size_policy()->change_old_gen_for_min_pauses());
duke@435:   }
duke@435: 
duke@435:   // compute_generation_free_space() statistics
duke@435: 
duke@435:   inline void update_avg_major_pause() {
duke@435:     _avg_major_pause->set_value(
duke@435:       (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0)
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_major_interval() {
duke@435:     _avg_major_interval->set_value(
duke@435:       (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0)
duke@435:     );
duke@435:   }
duke@435: 
duke@435:   inline void update_major_gc_cost_counter() {
duke@435:     _major_gc_cost_counter->set_value(
duke@435:       (jlong)(ps_size_policy()->major_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)(ps_size_policy()->mutator_cost() * 100.0)
duke@435:     );
duke@435:   }
duke@435: 
duke@435:   inline void update_live_space() {
duke@435:     _live_space->set_value(ps_size_policy()->live_space());
duke@435:   }
duke@435:   inline void update_free_space() {
duke@435:     _free_space->set_value(ps_size_policy()->free_space());
duke@435:   }
duke@435: 
duke@435:   inline void update_avg_base_footprint() {
duke@435:     _avg_base_footprint->set_value(
duke@435:       (jlong)(ps_size_policy()->avg_base_footprint()->average())
duke@435:     );
duke@435:   }
duke@435:   inline void update_avg_old_live() {
duke@435:     _avg_old_live_counter->set_value(
duke@435:       (jlong)(ps_size_policy()->avg_old_live()->average())
duke@435:     );
duke@435:   }
duke@435:   // Scale up all the slopes
duke@435:   inline void update_major_pause_old_slope() {
duke@435:     _major_pause_old_slope->set_value(
duke@435:       (jlong)(ps_size_policy()->major_pause_old_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_minor_pause_old_slope() {
duke@435:     _minor_pause_old_slope->set_value(
duke@435:       (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000)
duke@435:     );
duke@435:   }
duke@435:   inline void update_major_pause_young_slope() {
duke@435:     _major_pause_young_slope->set_value(
duke@435:       (jlong)(ps_size_policy()->major_pause_young_slope() * 1000)
duke@435:     );
duke@435:   }
jmasa@1822:   inline void update_gc_overhead_limit_exceeded_counter() {
jmasa@1822:     _gc_overhead_limit_exceeded_counter->set_value(
jmasa@1822:       (jlong) ps_size_policy()->gc_overhead_limit_exceeded());
jmasa@1822:   }
jmasa@1822:   inline void update_live_at_last_full_gc_counter() {
jmasa@1822:     _live_at_last_full_gc_counter->set_value(
jmasa@1822:       (jlong)(ps_size_policy()->live_at_last_full_gc()));
jmasa@1822:   }
duke@435: 
duke@435:   inline void update_scavenge_skipped(int cause) {
duke@435:     _scavenge_skipped->set_value(cause);
duke@435:   }
duke@435: 
duke@435:   inline void update_full_follows_scavenge(int event) {
duke@435:     _full_follows_scavenge->set_value(event);
duke@435:   }
duke@435: 
duke@435:   // Update all the counters that can be updated from the size policy.
duke@435:   // This should be called after all policy changes have been made
duke@435:   // and reflected internall in the size policy.
duke@435:   void update_counters_from_policy();
duke@435: 
duke@435:   // Update counters that can be updated from fields internal to the
duke@435:   // counter or from globals.  This is distinguished from counters
duke@435:   // that are updated via input parameters.
duke@435:   void update_counters();
duke@435: 
duke@435:   virtual GCPolicyCounters::Name kind() const {
duke@435:     return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
duke@435:   }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP