1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,226 @@
1.4 +/*
1.5 + * Copyright 2004-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +# include "incls/_precompiled.incl"
1.29 +# include "incls/_gcAdaptivePolicyCounters.cpp.incl"
1.30 +
1.31 +// This class keeps statistical information and computes the
1.32 +// size of the heap.
1.33 +
1.34 +GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name,
1.35 + int collectors,
1.36 + int generations,
1.37 + AdaptiveSizePolicy* size_policy_arg)
1.38 + : GCPolicyCounters(name, collectors, generations),
1.39 + _size_policy(size_policy_arg) {
1.40 + if (UsePerfData) {
1.41 + EXCEPTION_MARK;
1.42 + ResourceMark rm;
1.43 +
1.44 + const char* cname = PerfDataManager::counter_name(name_space(), "edenSize");
1.45 + _eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.46 + PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK);
1.47 +
1.48 + cname = PerfDataManager::counter_name(name_space(), "promoSize");
1.49 + _promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.50 + PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(),
1.51 + CHECK);
1.52 +
1.53 + cname = PerfDataManager::counter_name(name_space(), "youngCapacity");
1.54 + size_t young_capacity_in_bytes =
1.55 + _size_policy->calculated_eden_size_in_bytes() +
1.56 + _size_policy->calculated_survivor_size_in_bytes();
1.57 + _young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.58 + PerfData::U_Bytes, young_capacity_in_bytes, CHECK);
1.59 +
1.60 + cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg");
1.61 + _avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.62 + PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(),
1.63 + CHECK);
1.64 +
1.65 + cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev");
1.66 + _avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.67 + PerfData::U_Bytes, (jlong) 0 , CHECK);
1.68 +
1.69 + cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg");
1.70 + _avg_survived_padded_avg_counter =
1.71 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
1.72 + size_policy()->calculated_survivor_size_in_bytes(), CHECK);
1.73 +
1.74 + cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime");
1.75 + _avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.76 + PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(),
1.77 + CHECK);
1.78 +
1.79 + cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime");
1.80 + _avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC,
1.81 + cname,
1.82 + PerfData::U_Ticks,
1.83 + (jlong) _size_policy->_avg_minor_interval->average(),
1.84 + CHECK);
1.85 +
1.86 +#ifdef NOT_PRODUCT
1.87 + // This is a counter for the most recent minor pause time
1.88 + // (the last sample, not the average). It is useful for
1.89 + // verifying the average pause time but not worth putting
1.90 + // into the product.
1.91 + cname = PerfDataManager::counter_name(name_space(), "minorPauseTime");
1.92 + _minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.93 + PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(),
1.94 + CHECK);
1.95 +#endif
1.96 +
1.97 + cname = PerfDataManager::counter_name(name_space(), "minorGcCost");
1.98 + _minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
1.99 + cname,
1.100 + PerfData::U_Ticks,
1.101 + (jlong) _size_policy->minor_gc_cost(),
1.102 + CHECK);
1.103 +
1.104 + cname = PerfDataManager::counter_name(name_space(), "mutatorCost");
1.105 + _mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.106 + PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK);
1.107 +
1.108 + cname = PerfDataManager::counter_name(name_space(), "survived");
1.109 + _survived_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.110 + PerfData::U_Bytes, (jlong) 0, CHECK);
1.111 +
1.112 + cname = PerfDataManager::counter_name(name_space(), "promoted");
1.113 + _promoted_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.114 + PerfData::U_Bytes, (jlong) 0, CHECK);
1.115 +
1.116 + cname = PerfDataManager::counter_name(name_space(), "avgYoungLive");
1.117 + _avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.118 + PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(),
1.119 + CHECK);
1.120 +
1.121 + cname = PerfDataManager::counter_name(name_space(), "avgOldLive");
1.122 + _avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.123 + PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(),
1.124 + CHECK);
1.125 +
1.126 + cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed");
1.127 + _survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.128 + PerfData::U_Events, (jlong)0, CHECK);
1.129 +
1.130 + cname = PerfDataManager::counter_name(name_space(),
1.131 + "decrementTenuringThresholdForGcCost");
1.132 + _decrement_tenuring_threshold_for_gc_cost_counter =
1.133 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.134 + (jlong)0, CHECK);
1.135 +
1.136 + cname = PerfDataManager::counter_name(name_space(),
1.137 + "incrementTenuringThresholdForGcCost");
1.138 + _increment_tenuring_threshold_for_gc_cost_counter =
1.139 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.140 + (jlong)0, CHECK);
1.141 +
1.142 + cname = PerfDataManager::counter_name(name_space(),
1.143 + "decrementTenuringThresholdForSurvivorLimit");
1.144 + _decrement_tenuring_threshold_for_survivor_limit_counter =
1.145 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.146 + (jlong)0, CHECK);
1.147 + cname = PerfDataManager::counter_name(name_space(),
1.148 + "changeYoungGenForMinPauses");
1.149 + _change_young_gen_for_min_pauses_counter =
1.150 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.151 + (jlong)0, CHECK);
1.152 +
1.153 + cname = PerfDataManager::counter_name(name_space(),
1.154 + "changeOldGenForMajPauses");
1.155 + _change_old_gen_for_maj_pauses_counter =
1.156 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.157 + (jlong)0, CHECK);
1.158 +
1.159 + cname = PerfDataManager::counter_name(name_space(),
1.160 + "increaseOldGenForThroughput");
1.161 + _change_old_gen_for_throughput_counter =
1.162 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.163 + (jlong)0, CHECK);
1.164 +
1.165 + cname = PerfDataManager::counter_name(name_space(),
1.166 + "increaseYoungGenForThroughput");
1.167 + _change_young_gen_for_throughput_counter =
1.168 + PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
1.169 + (jlong)0, CHECK);
1.170 +
1.171 + cname = PerfDataManager::counter_name(name_space(),
1.172 + "decreaseForFootprint");
1.173 + _decrease_for_footprint_counter =
1.174 + PerfDataManager::create_variable(SUN_GC, cname,
1.175 + PerfData::U_Events, (jlong)0, CHECK);
1.176 +
1.177 + cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc");
1.178 + _decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname,
1.179 + PerfData::U_None, (jlong)0, CHECK);
1.180 +
1.181 + cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope");
1.182 + _minor_pause_young_slope_counter =
1.183 + PerfDataManager::create_variable(SUN_GC, cname,
1.184 + PerfData::U_None, (jlong) 0, CHECK);
1.185 +
1.186 + cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope");
1.187 + _major_collection_slope_counter =
1.188 + PerfDataManager::create_variable(SUN_GC, cname,
1.189 + PerfData::U_None, (jlong) 0, CHECK);
1.190 +
1.191 + cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope");
1.192 + _minor_collection_slope_counter =
1.193 + PerfDataManager::create_variable(SUN_GC, cname,
1.194 + PerfData::U_None, (jlong) 0, CHECK);
1.195 + }
1.196 +}
1.197 +
1.198 +void GCAdaptivePolicyCounters::update_counters_from_policy() {
1.199 + if (UsePerfData && (size_policy() != NULL)) {
1.200 + update_avg_minor_pause_counter();
1.201 + update_avg_minor_interval_counter();
1.202 +#ifdef NOT_PRODUCT
1.203 + update_minor_pause_counter();
1.204 +#endif
1.205 + update_minor_gc_cost_counter();
1.206 + update_avg_young_live_counter();
1.207 +
1.208 + update_survivor_size_counters();
1.209 + update_avg_survived_avg_counters();
1.210 + update_avg_survived_dev_counters();
1.211 + update_avg_survived_padded_avg_counters();
1.212 +
1.213 + update_change_old_gen_for_throughput();
1.214 + update_change_young_gen_for_throughput();
1.215 + update_decrease_for_footprint();
1.216 + update_change_young_gen_for_min_pauses();
1.217 + update_change_old_gen_for_maj_pauses();
1.218 +
1.219 + update_minor_pause_young_slope_counter();
1.220 + update_minor_collection_slope_counter();
1.221 + update_major_collection_slope_counter();
1.222 + }
1.223 +}
1.224 +
1.225 +void GCAdaptivePolicyCounters::update_counters() {
1.226 + if (UsePerfData) {
1.227 + update_counters_from_policy();
1.228 + }
1.229 +}
