/*
* 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
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*/
#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();
}
}