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src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp@0982ec23da03 (annotated)

src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp

Thu, 19 Jun 2014 13:31:14 +0200

author

brutisso

date

Thu, 19 Jun 2014 13:31:14 +0200

changeset 6904

0982ec23da03

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
Reviewed-by: jwilhelm, ehelin, tschatzl

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp"
stefank@2314	27	#include "memory/resourceArea.hpp"
duke@435	28
duke@435	29	// This class keeps statistical information and computes the
duke@435	30	// size of the heap.
duke@435	31
duke@435	32	GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name,
duke@435	33	int collectors,
duke@435	34	int generations,
duke@435	35	AdaptiveSizePolicy* size_policy_arg)
duke@435	36	: GCPolicyCounters(name, collectors, generations),
duke@435	37	_size_policy(size_policy_arg) {
duke@435	38	if (UsePerfData) {
duke@435	39	EXCEPTION_MARK;
duke@435	40	ResourceMark rm;
duke@435	41
duke@435	42	const char* cname = PerfDataManager::counter_name(name_space(), "edenSize");
duke@435	43	_eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	44	PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK);
duke@435	45
duke@435	46	cname = PerfDataManager::counter_name(name_space(), "promoSize");
duke@435	47	_promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	48	PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(),
duke@435	49	CHECK);
duke@435	50
duke@435	51	cname = PerfDataManager::counter_name(name_space(), "youngCapacity");
duke@435	52	size_t young_capacity_in_bytes =
duke@435	53	_size_policy->calculated_eden_size_in_bytes() +
duke@435	54	_size_policy->calculated_survivor_size_in_bytes();
duke@435	55	_young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	56	PerfData::U_Bytes, young_capacity_in_bytes, CHECK);
duke@435	57
duke@435	58	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg");
duke@435	59	_avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	60	PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(),
duke@435	61	CHECK);
duke@435	62
duke@435	63	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev");
duke@435	64	_avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	65	PerfData::U_Bytes, (jlong) 0 , CHECK);
duke@435	66
duke@435	67	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg");
duke@435	68	_avg_survived_padded_avg_counter =
duke@435	69	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
duke@435	70	size_policy()->calculated_survivor_size_in_bytes(), CHECK);
duke@435	71
duke@435	72	cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime");
duke@435	73	_avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	74	PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(),
duke@435	75	CHECK);
duke@435	76
duke@435	77	cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime");
duke@435	78	_avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC,
duke@435	79	cname,
duke@435	80	PerfData::U_Ticks,
duke@435	81	(jlong) _size_policy->_avg_minor_interval->average(),
duke@435	82	CHECK);
duke@435	83
duke@435	84	#ifdef NOT_PRODUCT
duke@435	85	// This is a counter for the most recent minor pause time
duke@435	86	// (the last sample, not the average). It is useful for
duke@435	87	// verifying the average pause time but not worth putting
duke@435	88	// into the product.
duke@435	89	cname = PerfDataManager::counter_name(name_space(), "minorPauseTime");
duke@435	90	_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	91	PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(),
duke@435	92	CHECK);
duke@435	93	#endif
duke@435	94
duke@435	95	cname = PerfDataManager::counter_name(name_space(), "minorGcCost");
duke@435	96	_minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
duke@435	97	cname,
duke@435	98	PerfData::U_Ticks,
duke@435	99	(jlong) _size_policy->minor_gc_cost(),
duke@435	100	CHECK);
duke@435	101
duke@435	102	cname = PerfDataManager::counter_name(name_space(), "mutatorCost");
duke@435	103	_mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	104	PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK);
duke@435	105
duke@435	106	cname = PerfDataManager::counter_name(name_space(), "survived");
duke@435	107	_survived_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	108	PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435	109
duke@435	110	cname = PerfDataManager::counter_name(name_space(), "promoted");
duke@435	111	_promoted_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	112	PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435	113
duke@435	114	cname = PerfDataManager::counter_name(name_space(), "avgYoungLive");
duke@435	115	_avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	116	PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(),
duke@435	117	CHECK);
duke@435	118
duke@435	119	cname = PerfDataManager::counter_name(name_space(), "avgOldLive");
duke@435	120	_avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	121	PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(),
duke@435	122	CHECK);
duke@435	123
duke@435	124	cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed");
duke@435	125	_survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	126	PerfData::U_Events, (jlong)0, CHECK);
duke@435	127
duke@435	128	cname = PerfDataManager::counter_name(name_space(),
duke@435	129	"decrementTenuringThresholdForGcCost");
duke@435	130	_decrement_tenuring_threshold_for_gc_cost_counter =
duke@435	131	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	132	(jlong)0, CHECK);
duke@435	133
duke@435	134	cname = PerfDataManager::counter_name(name_space(),
duke@435	135	"incrementTenuringThresholdForGcCost");
duke@435	136	_increment_tenuring_threshold_for_gc_cost_counter =
duke@435	137	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	138	(jlong)0, CHECK);
duke@435	139
duke@435	140	cname = PerfDataManager::counter_name(name_space(),
duke@435	141	"decrementTenuringThresholdForSurvivorLimit");
duke@435	142	_decrement_tenuring_threshold_for_survivor_limit_counter =
duke@435	143	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	144	(jlong)0, CHECK);
duke@435	145	cname = PerfDataManager::counter_name(name_space(),
duke@435	146	"changeYoungGenForMinPauses");
duke@435	147	_change_young_gen_for_min_pauses_counter =
duke@435	148	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	149	(jlong)0, CHECK);
duke@435	150
duke@435	151	cname = PerfDataManager::counter_name(name_space(),
duke@435	152	"changeOldGenForMajPauses");
duke@435	153	_change_old_gen_for_maj_pauses_counter =
duke@435	154	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	155	(jlong)0, CHECK);
duke@435	156
duke@435	157	cname = PerfDataManager::counter_name(name_space(),
duke@435	158	"increaseOldGenForThroughput");
duke@435	159	_change_old_gen_for_throughput_counter =
duke@435	160	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	161	(jlong)0, CHECK);
duke@435	162
duke@435	163	cname = PerfDataManager::counter_name(name_space(),
duke@435	164	"increaseYoungGenForThroughput");
duke@435	165	_change_young_gen_for_throughput_counter =
duke@435	166	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	167	(jlong)0, CHECK);
duke@435	168
duke@435	169	cname = PerfDataManager::counter_name(name_space(),
duke@435	170	"decreaseForFootprint");
duke@435	171	_decrease_for_footprint_counter =
duke@435	172	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	173	PerfData::U_Events, (jlong)0, CHECK);
duke@435	174
duke@435	175	cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc");
duke@435	176	_decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	177	PerfData::U_None, (jlong)0, CHECK);
duke@435	178
duke@435	179	cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope");
duke@435	180	_minor_pause_young_slope_counter =
duke@435	181	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	182	PerfData::U_None, (jlong) 0, CHECK);
duke@435	183
duke@435	184	cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope");
duke@435	185	_major_collection_slope_counter =
duke@435	186	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	187	PerfData::U_None, (jlong) 0, CHECK);
duke@435	188
duke@435	189	cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope");
duke@435	190	_minor_collection_slope_counter =
duke@435	191	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	192	PerfData::U_None, (jlong) 0, CHECK);
duke@435	193	}
duke@435	194	}
duke@435	195
duke@435	196	void GCAdaptivePolicyCounters::update_counters_from_policy() {
duke@435	197	if (UsePerfData && (size_policy() != NULL)) {
duke@435	198	update_avg_minor_pause_counter();
duke@435	199	update_avg_minor_interval_counter();
duke@435	200	#ifdef NOT_PRODUCT
duke@435	201	update_minor_pause_counter();
duke@435	202	#endif
duke@435	203	update_minor_gc_cost_counter();
duke@435	204	update_avg_young_live_counter();
duke@435	205
duke@435	206	update_survivor_size_counters();
duke@435	207	update_avg_survived_avg_counters();
duke@435	208	update_avg_survived_dev_counters();
duke@435	209	update_avg_survived_padded_avg_counters();
duke@435	210
duke@435	211	update_change_old_gen_for_throughput();
duke@435	212	update_change_young_gen_for_throughput();
duke@435	213	update_decrease_for_footprint();
duke@435	214	update_change_young_gen_for_min_pauses();
duke@435	215	update_change_old_gen_for_maj_pauses();
duke@435	216
duke@435	217	update_minor_pause_young_slope_counter();
duke@435	218	update_minor_collection_slope_counter();
duke@435	219	update_major_collection_slope_counter();
duke@435	220	}
duke@435	221	}
duke@435	222
duke@435	223	void GCAdaptivePolicyCounters::update_counters() {
duke@435	224	if (UsePerfData) {
duke@435	225	update_counters_from_policy();
duke@435	226	}
duke@435	227	}