| /* |
| * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" |
| #include "memory/resourceArea.hpp" |
| |
| // This class keeps statistical information and computes the |
| // size of the heap. |
| |
| GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name, |
| int collectors, |
| int generations, |
| AdaptiveSizePolicy* size_policy_arg) |
| : GCPolicyCounters(name, collectors, generations), |
| _size_policy(size_policy_arg) { |
| if (UsePerfData) { |
| EXCEPTION_MARK; |
| ResourceMark rm; |
| |
| const char* cname = PerfDataManager::counter_name(name_space(), "edenSize"); |
| _eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "promoSize"); |
| _promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "youngCapacity"); |
| size_t young_capacity_in_bytes = |
| _size_policy->calculated_eden_size_in_bytes() + |
| _size_policy->calculated_survivor_size_in_bytes(); |
| _young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, young_capacity_in_bytes, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg"); |
| _avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev"); |
| _avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, (jlong) 0 , CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg"); |
| _avg_survived_padded_avg_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, |
| size_policy()->calculated_survivor_size_in_bytes(), CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime"); |
| _avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime"); |
| _avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC, |
| cname, |
| PerfData::U_Ticks, |
| (jlong) _size_policy->_avg_minor_interval->average(), |
| CHECK); |
| |
| #ifdef NOT_PRODUCT |
| // This is a counter for the most recent minor pause time |
| // (the last sample, not the average). It is useful for |
| // verifying the average pause time but not worth putting |
| // into the product. |
| cname = PerfDataManager::counter_name(name_space(), "minorPauseTime"); |
| _minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(), |
| CHECK); |
| #endif |
| |
| cname = PerfDataManager::counter_name(name_space(), "minorGcCost"); |
| _minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, |
| cname, |
| PerfData::U_Ticks, |
| (jlong) _size_policy->minor_gc_cost(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "mutatorCost"); |
| _mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "survived"); |
| _survived_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, (jlong) 0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "promoted"); |
| _promoted_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, (jlong) 0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgYoungLive"); |
| _avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "avgOldLive"); |
| _avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(), |
| CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed"); |
| _survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Events, (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "decrementTenuringThresholdForGcCost"); |
| _decrement_tenuring_threshold_for_gc_cost_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "incrementTenuringThresholdForGcCost"); |
| _increment_tenuring_threshold_for_gc_cost_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "decrementTenuringThresholdForSurvivorLimit"); |
| _decrement_tenuring_threshold_for_survivor_limit_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| cname = PerfDataManager::counter_name(name_space(), |
| "changeYoungGenForMinPauses"); |
| _change_young_gen_for_min_pauses_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "changeOldGenForMajPauses"); |
| _change_old_gen_for_maj_pauses_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "increaseOldGenForThroughput"); |
| _change_old_gen_for_throughput_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "increaseYoungGenForThroughput"); |
| _change_young_gen_for_throughput_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, |
| (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), |
| "decreaseForFootprint"); |
| _decrease_for_footprint_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_Events, (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc"); |
| _decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_None, (jlong)0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope"); |
| _minor_pause_young_slope_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_None, (jlong) 0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope"); |
| _major_collection_slope_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_None, (jlong) 0, CHECK); |
| |
| cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope"); |
| _minor_collection_slope_counter = |
| PerfDataManager::create_variable(SUN_GC, cname, |
| PerfData::U_None, (jlong) 0, CHECK); |
| } |
| } |
| |
| void GCAdaptivePolicyCounters::update_counters_from_policy() { |
| if (UsePerfData && (size_policy() != NULL)) { |
| update_avg_minor_pause_counter(); |
| update_avg_minor_interval_counter(); |
| #ifdef NOT_PRODUCT |
| update_minor_pause_counter(); |
| #endif |
| update_minor_gc_cost_counter(); |
| update_avg_young_live_counter(); |
| |
| update_survivor_size_counters(); |
| update_avg_survived_avg_counters(); |
| update_avg_survived_dev_counters(); |
| update_avg_survived_padded_avg_counters(); |
| |
| update_change_old_gen_for_throughput(); |
| update_change_young_gen_for_throughput(); |
| update_decrease_for_footprint(); |
| update_change_young_gen_for_min_pauses(); |
| update_change_old_gen_for_maj_pauses(); |
| |
| update_minor_pause_young_slope_counter(); |
| update_minor_collection_slope_counter(); |
| update_major_collection_slope_counter(); |
| } |
| } |
| |
| void GCAdaptivePolicyCounters::update_counters() { |
| if (UsePerfData) { |
| update_counters_from_policy(); |
| } |
| } |