1 /* 2 * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP 26 #define SHARE_VM_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP 27 28 #include "gc/shared/adaptiveSizePolicy.hpp" 29 #include "gc/shared/gcPolicyCounters.hpp" 30 #include "utilities/macros.hpp" 31 32 // This class keeps statistical information and computes the 33 // size of the heap. 34 35 class GCAdaptivePolicyCounters : public GCPolicyCounters { 36 protected: 37 PerfVariable* _eden_size_counter; 38 PerfVariable* _promo_size_counter; 39 40 PerfVariable* _young_capacity_counter; 41 42 PerfVariable* _minor_gc_cost_counter; 43 PerfVariable* _major_gc_cost_counter; 44 PerfVariable* _mutator_cost_counter; 45 46 PerfVariable* _avg_young_live_counter; 47 PerfVariable* _avg_old_live_counter; 48 49 PerfVariable* _avg_minor_pause_counter; 50 PerfVariable* _avg_minor_interval_counter; 51 52 #ifdef NOT_PRODUCT 53 PerfVariable* _minor_pause_counter; 54 #endif 55 56 PerfVariable* _change_young_gen_for_min_pauses_counter; 57 PerfVariable* _change_young_gen_for_throughput_counter; 58 PerfVariable* _change_old_gen_for_maj_pauses_counter; 59 PerfVariable* _change_old_gen_for_throughput_counter; 60 PerfVariable* _decrease_for_footprint_counter; 61 62 PerfVariable* _minor_pause_young_slope_counter; 63 PerfVariable* _major_pause_old_slope_counter; 64 65 PerfVariable* _decide_at_full_gc_counter; 66 67 PerfVariable* _survived_counter; 68 PerfVariable* _promoted_counter; 69 70 PerfVariable* _avg_survived_avg_counter; 71 PerfVariable* _avg_survived_dev_counter; 72 PerfVariable* _avg_survived_padded_avg_counter; 73 74 PerfVariable* _survivor_overflowed_counter; 75 PerfVariable* _increment_tenuring_threshold_for_gc_cost_counter; 76 PerfVariable* _decrement_tenuring_threshold_for_gc_cost_counter; 77 PerfVariable* _decrement_tenuring_threshold_for_survivor_limit_counter; 78 79 PerfVariable* _minor_collection_slope_counter; 80 PerfVariable* _major_collection_slope_counter; 81 82 AdaptiveSizePolicy* _size_policy; 83 update_eden_size()84 inline void update_eden_size() { 85 size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes(); 86 _eden_size_counter->set_value(eden_size_in_bytes); 87 } 88 update_promo_size()89 inline void update_promo_size() { 90 _promo_size_counter->set_value( 91 size_policy()->calculated_promo_size_in_bytes()); 92 } 93 update_avg_minor_pause_counter()94 inline void update_avg_minor_pause_counter() { 95 _avg_minor_pause_counter->set_value((jlong) 96 (size_policy()->avg_minor_pause()->average() * 1000.0)); 97 } update_avg_minor_interval_counter()98 inline void update_avg_minor_interval_counter() { 99 _avg_minor_interval_counter->set_value((jlong) 100 (size_policy()->avg_minor_interval()->average() * 1000.0)); 101 } 102 103 #ifdef NOT_PRODUCT update_minor_pause_counter()104 inline void update_minor_pause_counter() { 105 _minor_pause_counter->set_value((jlong) 106 (size_policy()->avg_minor_pause()->last_sample() * 1000.0)); 107 } 108 #endif update_minor_gc_cost_counter()109 inline void update_minor_gc_cost_counter() { 110 _minor_gc_cost_counter->set_value((jlong) 111 (size_policy()->minor_gc_cost() * 100.0)); 112 } 113 update_avg_young_live_counter()114 inline void update_avg_young_live_counter() { 115 _avg_young_live_counter->set_value( 116 (jlong)(size_policy()->avg_young_live()->average()) 117 ); 118 } 119 update_avg_survived_avg_counters()120 inline void update_avg_survived_avg_counters() { 121 _avg_survived_avg_counter->set_value( 122 (jlong)(size_policy()->_avg_survived->average()) 123 ); 124 } update_avg_survived_dev_counters()125 inline void update_avg_survived_dev_counters() { 126 _avg_survived_dev_counter->set_value( 127 (jlong)(size_policy()->_avg_survived->deviation()) 128 ); 129 } update_avg_survived_padded_avg_counters()130 inline void update_avg_survived_padded_avg_counters() { 131 _avg_survived_padded_avg_counter->set_value( 132 (jlong)(size_policy()->_avg_survived->padded_average()) 133 ); 134 } 135 update_change_old_gen_for_throughput()136 inline void update_change_old_gen_for_throughput() { 137 _change_old_gen_for_throughput_counter->set_value( 138 size_policy()->change_old_gen_for_throughput()); 139 } update_change_young_gen_for_throughput()140 inline void update_change_young_gen_for_throughput() { 141 _change_young_gen_for_throughput_counter->set_value( 142 size_policy()->change_young_gen_for_throughput()); 143 } update_decrease_for_footprint()144 inline void update_decrease_for_footprint() { 145 _decrease_for_footprint_counter->set_value( 146 size_policy()->decrease_for_footprint()); 147 } 148 update_decide_at_full_gc_counter()149 inline void update_decide_at_full_gc_counter() { 150 _decide_at_full_gc_counter->set_value( 151 size_policy()->decide_at_full_gc()); 152 } 153 update_minor_pause_young_slope_counter()154 inline void update_minor_pause_young_slope_counter() { 155 _minor_pause_young_slope_counter->set_value( 156 (jlong)(size_policy()->minor_pause_young_slope() * 1000) 157 ); 158 } 159 160 virtual void update_counters_from_policy(); 161 162 protected: size_policy()163 virtual AdaptiveSizePolicy* size_policy() { return _size_policy; } 164 165 public: 166 GCAdaptivePolicyCounters(const char* name, 167 int collectors, 168 int generations, 169 AdaptiveSizePolicy* size_policy); 170 update_survived(size_t survived)171 inline void update_survived(size_t survived) { 172 _survived_counter->set_value(survived); 173 } update_promoted(size_t promoted)174 inline void update_promoted(size_t promoted) { 175 _promoted_counter->set_value(promoted); 176 } update_young_capacity(size_t size_in_bytes)177 inline void update_young_capacity(size_t size_in_bytes) { 178 _young_capacity_counter->set_value(size_in_bytes); 179 } 180 181 virtual void update_counters(); 182 update_survivor_size_counters()183 inline void update_survivor_size_counters() { 184 desired_survivor_size()->set_value( 185 size_policy()->calculated_survivor_size_in_bytes()); 186 } update_survivor_overflowed(bool survivor_overflowed)187 inline void update_survivor_overflowed(bool survivor_overflowed) { 188 _survivor_overflowed_counter->set_value(survivor_overflowed); 189 } update_tenuring_threshold(uint threshold)190 inline void update_tenuring_threshold(uint threshold) { 191 tenuring_threshold()->set_value(threshold); 192 } update_increment_tenuring_threshold_for_gc_cost()193 inline void update_increment_tenuring_threshold_for_gc_cost() { 194 _increment_tenuring_threshold_for_gc_cost_counter->set_value( 195 size_policy()->increment_tenuring_threshold_for_gc_cost()); 196 } update_decrement_tenuring_threshold_for_gc_cost()197 inline void update_decrement_tenuring_threshold_for_gc_cost() { 198 _decrement_tenuring_threshold_for_gc_cost_counter->set_value( 199 size_policy()->decrement_tenuring_threshold_for_gc_cost()); 200 } update_decrement_tenuring_threshold_for_survivor_limit()201 inline void update_decrement_tenuring_threshold_for_survivor_limit() { 202 _decrement_tenuring_threshold_for_survivor_limit_counter->set_value( 203 size_policy()->decrement_tenuring_threshold_for_survivor_limit()); 204 } update_change_young_gen_for_min_pauses()205 inline void update_change_young_gen_for_min_pauses() { 206 _change_young_gen_for_min_pauses_counter->set_value( 207 size_policy()->change_young_gen_for_min_pauses()); 208 } update_change_old_gen_for_maj_pauses()209 inline void update_change_old_gen_for_maj_pauses() { 210 _change_old_gen_for_maj_pauses_counter->set_value( 211 size_policy()->change_old_gen_for_maj_pauses()); 212 } 213 update_minor_collection_slope_counter()214 inline void update_minor_collection_slope_counter() { 215 _minor_collection_slope_counter->set_value( 216 (jlong)(size_policy()->minor_collection_slope() * 1000) 217 ); 218 } 219 update_major_collection_slope_counter()220 inline void update_major_collection_slope_counter() { 221 _major_collection_slope_counter->set_value( 222 (jlong)(size_policy()->major_collection_slope() * 1000) 223 ); 224 } 225 set_size_policy(AdaptiveSizePolicy * v)226 void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; } 227 kind() const228 virtual GCPolicyCounters::Name kind() const { 229 return GCPolicyCounters::GCAdaptivePolicyCountersKind; 230 } 231 }; 232 233 #endif // SHARE_VM_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP 234