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J. Duke
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/*
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* Copyright 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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# include "incls/_precompiled.incl"
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# include "incls/_gcAdaptivePolicyCounters.cpp.incl"
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// This class keeps statistical information and computes the
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// size of the heap.
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GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name,
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int collectors,
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int generations,
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AdaptiveSizePolicy* size_policy_arg)
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: GCPolicyCounters(name, collectors, generations),
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_size_policy(size_policy_arg) {
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if (UsePerfData) {
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EXCEPTION_MARK;
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ResourceMark rm;
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const char* cname = PerfDataManager::counter_name(name_space(), "edenSize");
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_eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK);
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cname = PerfDataManager::counter_name(name_space(), "promoSize");
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_promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "youngCapacity");
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size_t young_capacity_in_bytes =
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_size_policy->calculated_eden_size_in_bytes() +
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_size_policy->calculated_survivor_size_in_bytes();
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_young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, young_capacity_in_bytes, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg");
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_avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev");
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_avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, (jlong) 0 , CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg");
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_avg_survived_padded_avg_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
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size_policy()->calculated_survivor_size_in_bytes(), CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime");
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_avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime");
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_avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC,
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cname,
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PerfData::U_Ticks,
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(jlong) _size_policy->_avg_minor_interval->average(),
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CHECK);
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#ifdef NOT_PRODUCT
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// This is a counter for the most recent minor pause time
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// (the last sample, not the average). It is useful for
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// verifying the average pause time but not worth putting
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// into the product.
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cname = PerfDataManager::counter_name(name_space(), "minorPauseTime");
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_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(),
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CHECK);
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#endif
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cname = PerfDataManager::counter_name(name_space(), "minorGcCost");
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_minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
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cname,
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PerfData::U_Ticks,
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(jlong) _size_policy->minor_gc_cost(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "mutatorCost");
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_mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK);
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cname = PerfDataManager::counter_name(name_space(), "survived");
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_survived_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, (jlong) 0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "promoted");
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_promoted_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, (jlong) 0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgYoungLive");
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_avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "avgOldLive");
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_avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(),
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CHECK);
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cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed");
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_survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Events, (jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"decrementTenuringThresholdForGcCost");
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_decrement_tenuring_threshold_for_gc_cost_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"incrementTenuringThresholdForGcCost");
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_increment_tenuring_threshold_for_gc_cost_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"decrementTenuringThresholdForSurvivorLimit");
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_decrement_tenuring_threshold_for_survivor_limit_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"changeYoungGenForMinPauses");
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_change_young_gen_for_min_pauses_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"changeOldGenForMajPauses");
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_change_old_gen_for_maj_pauses_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"increaseOldGenForThroughput");
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_change_old_gen_for_throughput_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"increaseYoungGenForThroughput");
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_change_young_gen_for_throughput_counter =
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PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
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(jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(),
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"decreaseForFootprint");
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_decrease_for_footprint_counter =
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PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_Events, (jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc");
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_decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_None, (jlong)0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope");
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_minor_pause_young_slope_counter =
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PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_None, (jlong) 0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope");
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_major_collection_slope_counter =
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PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_None, (jlong) 0, CHECK);
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cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope");
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_minor_collection_slope_counter =
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PerfDataManager::create_variable(SUN_GC, cname,
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PerfData::U_None, (jlong) 0, CHECK);
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}
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}
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void GCAdaptivePolicyCounters::update_counters_from_policy() {
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if (UsePerfData && (size_policy() != NULL)) {
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update_avg_minor_pause_counter();
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update_avg_minor_interval_counter();
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#ifdef NOT_PRODUCT
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update_minor_pause_counter();
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#endif
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update_minor_gc_cost_counter();
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update_avg_young_live_counter();
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update_survivor_size_counters();
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update_avg_survived_avg_counters();
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update_avg_survived_dev_counters();
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update_avg_survived_padded_avg_counters();
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update_change_old_gen_for_throughput();
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update_change_young_gen_for_throughput();
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update_decrease_for_footprint();
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update_change_young_gen_for_min_pauses();
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update_change_old_gen_for_maj_pauses();
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update_minor_pause_young_slope_counter();
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update_minor_collection_slope_counter();
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update_major_collection_slope_counter();
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}
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}
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void GCAdaptivePolicyCounters::update_counters() {
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if (UsePerfData) {
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update_counters_from_policy();
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}
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}
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