duke@435: /*
stefank@2314:  * Copyright (c) 2004, 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: #include "precompiled.hpp"
stefank@2314: #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
stefank@2314: #include "memory/resourceArea.hpp"
duke@435: 
duke@435: // This class keeps statistical information and computes the
duke@435: // size of the heap.
duke@435: 
duke@435: GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name,
duke@435:                                         int collectors,
duke@435:                                         int generations,
duke@435:                                         AdaptiveSizePolicy* size_policy_arg)
duke@435:         : GCPolicyCounters(name, collectors, generations),
duke@435:           _size_policy(size_policy_arg) {
duke@435:   if (UsePerfData) {
duke@435:     EXCEPTION_MARK;
duke@435:     ResourceMark rm;
duke@435: 
duke@435:     const char* cname = PerfDataManager::counter_name(name_space(), "edenSize");
duke@435:     _eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "promoSize");
duke@435:     _promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(),
duke@435:       CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "youngCapacity");
duke@435:     size_t young_capacity_in_bytes =
duke@435:       _size_policy->calculated_eden_size_in_bytes() +
duke@435:       _size_policy->calculated_survivor_size_in_bytes();
duke@435:     _young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, young_capacity_in_bytes, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg");
duke@435:     _avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(),
duke@435:         CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev");
duke@435:     _avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, (jlong) 0 , CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg");
duke@435:     _avg_survived_padded_avg_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
duke@435:         size_policy()->calculated_survivor_size_in_bytes(), CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime");
duke@435:     _avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(),
duke@435:       CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime");
duke@435:     _avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC,
duke@435:       cname,
duke@435:       PerfData::U_Ticks,
duke@435:       (jlong) _size_policy->_avg_minor_interval->average(),
duke@435:       CHECK);
duke@435: 
duke@435: #ifdef NOT_PRODUCT
duke@435:       // This is a counter for the most recent minor pause time
duke@435:       // (the last sample, not the average).  It is useful for
duke@435:       // verifying the average pause time but not worth putting
duke@435:       // into the product.
duke@435:       cname = PerfDataManager::counter_name(name_space(), "minorPauseTime");
duke@435:       _minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(),
duke@435:       CHECK);
duke@435: #endif
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "minorGcCost");
duke@435:     _minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
duke@435:       cname,
duke@435:       PerfData::U_Ticks,
duke@435:       (jlong) _size_policy->minor_gc_cost(),
duke@435:       CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "mutatorCost");
duke@435:     _mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "survived");
duke@435:     _survived_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "promoted");
duke@435:     _promoted_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgYoungLive");
duke@435:     _avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(),
duke@435:       CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "avgOldLive");
duke@435:     _avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(),
duke@435:       CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed");
duke@435:     _survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Events, (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "decrementTenuringThresholdForGcCost");
duke@435:     _decrement_tenuring_threshold_for_gc_cost_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "incrementTenuringThresholdForGcCost");
duke@435:     _increment_tenuring_threshold_for_gc_cost_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "decrementTenuringThresholdForSurvivorLimit");
duke@435:     _decrement_tenuring_threshold_for_survivor_limit_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "changeYoungGenForMinPauses");
duke@435:     _change_young_gen_for_min_pauses_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "changeOldGenForMajPauses");
duke@435:     _change_old_gen_for_maj_pauses_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "increaseOldGenForThroughput");
duke@435:     _change_old_gen_for_throughput_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "increaseYoungGenForThroughput");
duke@435:     _change_young_gen_for_throughput_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435:         (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(),
duke@435:       "decreaseForFootprint");
duke@435:     _decrease_for_footprint_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_Events, (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc");
duke@435:     _decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_None, (jlong)0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope");
duke@435:     _minor_pause_young_slope_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_None, (jlong) 0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope");
duke@435:     _major_collection_slope_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_None, (jlong) 0, CHECK);
duke@435: 
duke@435:     cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope");
duke@435:     _minor_collection_slope_counter =
duke@435:       PerfDataManager::create_variable(SUN_GC, cname,
duke@435:       PerfData::U_None, (jlong) 0, CHECK);
duke@435:   }
duke@435: }
duke@435: 
duke@435: void GCAdaptivePolicyCounters::update_counters_from_policy() {
duke@435:   if (UsePerfData && (size_policy() != NULL)) {
duke@435:     update_avg_minor_pause_counter();
duke@435:     update_avg_minor_interval_counter();
duke@435: #ifdef NOT_PRODUCT
duke@435:     update_minor_pause_counter();
duke@435: #endif
duke@435:     update_minor_gc_cost_counter();
duke@435:     update_avg_young_live_counter();
duke@435: 
duke@435:     update_survivor_size_counters();
duke@435:     update_avg_survived_avg_counters();
duke@435:     update_avg_survived_dev_counters();
duke@435:     update_avg_survived_padded_avg_counters();
duke@435: 
duke@435:     update_change_old_gen_for_throughput();
duke@435:     update_change_young_gen_for_throughput();
duke@435:     update_decrease_for_footprint();
duke@435:     update_change_young_gen_for_min_pauses();
duke@435:     update_change_old_gen_for_maj_pauses();
duke@435: 
duke@435:     update_minor_pause_young_slope_counter();
duke@435:     update_minor_collection_slope_counter();
duke@435:     update_major_collection_slope_counter();
duke@435:   }
duke@435: }
duke@435: 
duke@435: void GCAdaptivePolicyCounters::update_counters() {
duke@435:   if (UsePerfData) {
duke@435:     update_counters_from_policy();
duke@435:   }
duke@435: }