1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,211 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
1.30 +
1.31 +#include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp"
1.32 +#include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
1.33 +#include "gc_implementation/shared/gcPolicyCounters.hpp"
1.34 +
1.35 +// PSGCAdaptivePolicyCounters is a holder class for performance counters
1.36 +// that track the data and decisions for the ergonomics policy for the
1.37 +// parallel scavenge collector.
1.38 +
1.39 +class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
1.40 + friend class VMStructs;
1.41 +
1.42 + private:
1.43 + // survivor space vs. tenuring threshold
1.44 + PerfVariable* _old_promo_size;
1.45 + PerfVariable* _old_eden_size;
1.46 + PerfVariable* _avg_promoted_avg_counter;
1.47 + PerfVariable* _avg_promoted_dev_counter;
1.48 + PerfVariable* _avg_promoted_padded_avg_counter;
1.49 + PerfVariable* _avg_pretenured_padded_avg;
1.50 +
1.51 + // young gen vs. old gen sizing
1.52 + PerfVariable* _avg_major_pause;
1.53 + PerfVariable* _avg_major_interval;
1.54 + PerfVariable* _live_space;
1.55 + PerfVariable* _free_space;
1.56 + PerfVariable* _avg_base_footprint;
1.57 + PerfVariable* _gc_overhead_limit_exceeded_counter;
1.58 + PerfVariable* _live_at_last_full_gc_counter;
1.59 + PerfVariable* _old_capacity;
1.60 + PerfVariable* _boundary_moved;
1.61 +
1.62 + PerfVariable* _change_old_gen_for_min_pauses;
1.63 + PerfVariable* _change_young_gen_for_maj_pauses_counter;
1.64 +
1.65 + PerfVariable* _major_pause_old_slope;
1.66 + PerfVariable* _minor_pause_old_slope;
1.67 + PerfVariable* _major_pause_young_slope;
1.68 +
1.69 + PerfVariable* _scavenge_skipped;
1.70 + PerfVariable* _full_follows_scavenge;
1.71 +
1.72 + // Use this time stamp if the gc time stamp is not available.
1.73 + TimeStamp _counter_time_stamp;
1.74 +
1.75 + protected:
1.76 + PSAdaptiveSizePolicy* ps_size_policy() {
1.77 + return (PSAdaptiveSizePolicy*)_size_policy;
1.78 + }
1.79 +
1.80 + public:
1.81 + PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations,
1.82 + PSAdaptiveSizePolicy* size_policy);
1.83 + inline void update_old_capacity(size_t size_in_bytes) {
1.84 + _old_capacity->set_value(size_in_bytes);
1.85 + }
1.86 + inline void update_old_eden_size(size_t old_size) {
1.87 + _old_eden_size->set_value(old_size);
1.88 + }
1.89 + inline void update_old_promo_size(size_t old_size) {
1.90 + _old_promo_size->set_value(old_size);
1.91 + }
1.92 + inline void update_boundary_moved(int size_in_bytes) {
1.93 + _boundary_moved->set_value(size_in_bytes);
1.94 + }
1.95 + inline void update_avg_promoted_avg() {
1.96 + _avg_promoted_avg_counter->set_value(
1.97 + (jlong)(ps_size_policy()->avg_promoted()->average())
1.98 + );
1.99 + }
1.100 + inline void update_avg_promoted_dev() {
1.101 + _avg_promoted_dev_counter->set_value(
1.102 + (jlong)(ps_size_policy()->avg_promoted()->deviation())
1.103 + );
1.104 + }
1.105 + inline void update_avg_promoted_padded_avg() {
1.106 + _avg_promoted_padded_avg_counter->set_value(
1.107 + (jlong)(ps_size_policy()->avg_promoted()->padded_average())
1.108 + );
1.109 + }
1.110 +
1.111 + inline void update_avg_pretenured_padded_avg() {
1.112 + _avg_pretenured_padded_avg->set_value(
1.113 + (jlong)(ps_size_policy()->_avg_pretenured->padded_average())
1.114 + );
1.115 + }
1.116 + inline void update_change_young_gen_for_maj_pauses() {
1.117 + _change_young_gen_for_maj_pauses_counter->set_value(
1.118 + ps_size_policy()->change_young_gen_for_maj_pauses());
1.119 + }
1.120 + inline void update_change_old_gen_for_min_pauses() {
1.121 + _change_old_gen_for_min_pauses->set_value(
1.122 + ps_size_policy()->change_old_gen_for_min_pauses());
1.123 + }
1.124 +
1.125 + // compute_generations_free_space() statistics
1.126 +
1.127 + inline void update_avg_major_pause() {
1.128 + _avg_major_pause->set_value(
1.129 + (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0)
1.130 + );
1.131 + }
1.132 + inline void update_avg_major_interval() {
1.133 + _avg_major_interval->set_value(
1.134 + (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0)
1.135 + );
1.136 + }
1.137 +
1.138 + inline void update_major_gc_cost_counter() {
1.139 + _major_gc_cost_counter->set_value(
1.140 + (jlong)(ps_size_policy()->major_gc_cost() * 100.0)
1.141 + );
1.142 + }
1.143 + inline void update_mutator_cost_counter() {
1.144 + _mutator_cost_counter->set_value(
1.145 + (jlong)(ps_size_policy()->mutator_cost() * 100.0)
1.146 + );
1.147 + }
1.148 +
1.149 + inline void update_live_space() {
1.150 + _live_space->set_value(ps_size_policy()->live_space());
1.151 + }
1.152 + inline void update_free_space() {
1.153 + _free_space->set_value(ps_size_policy()->free_space());
1.154 + }
1.155 +
1.156 + inline void update_avg_base_footprint() {
1.157 + _avg_base_footprint->set_value(
1.158 + (jlong)(ps_size_policy()->avg_base_footprint()->average())
1.159 + );
1.160 + }
1.161 + inline void update_avg_old_live() {
1.162 + _avg_old_live_counter->set_value(
1.163 + (jlong)(ps_size_policy()->avg_old_live()->average())
1.164 + );
1.165 + }
1.166 + // Scale up all the slopes
1.167 + inline void update_major_pause_old_slope() {
1.168 + _major_pause_old_slope->set_value(
1.169 + (jlong)(ps_size_policy()->major_pause_old_slope() * 1000)
1.170 + );
1.171 + }
1.172 + inline void update_minor_pause_old_slope() {
1.173 + _minor_pause_old_slope->set_value(
1.174 + (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000)
1.175 + );
1.176 + }
1.177 + inline void update_major_pause_young_slope() {
1.178 + _major_pause_young_slope->set_value(
1.179 + (jlong)(ps_size_policy()->major_pause_young_slope() * 1000)
1.180 + );
1.181 + }
1.182 + inline void update_gc_overhead_limit_exceeded_counter() {
1.183 + _gc_overhead_limit_exceeded_counter->set_value(
1.184 + (jlong) ps_size_policy()->gc_overhead_limit_exceeded());
1.185 + }
1.186 + inline void update_live_at_last_full_gc_counter() {
1.187 + _live_at_last_full_gc_counter->set_value(
1.188 + (jlong)(ps_size_policy()->live_at_last_full_gc()));
1.189 + }
1.190 +
1.191 + inline void update_scavenge_skipped(int cause) {
1.192 + _scavenge_skipped->set_value(cause);
1.193 + }
1.194 +
1.195 + inline void update_full_follows_scavenge(int event) {
1.196 + _full_follows_scavenge->set_value(event);
1.197 + }
1.198 +
1.199 + // Update all the counters that can be updated from the size policy.
1.200 + // This should be called after all policy changes have been made
1.201 + // and reflected internall in the size policy.
1.202 + void update_counters_from_policy();
1.203 +
1.204 + // Update counters that can be updated from fields internal to the
1.205 + // counter or from globals. This is distinguished from counters
1.206 + // that are updated via input parameters.
1.207 + void update_counters();
1.208 +
1.209 + virtual GCPolicyCounters::Name kind() const {
1.210 + return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
1.211 + }
1.212 +};
1.213 +
1.214 +#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP
