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src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp@710a3c8b516e (annotated)

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

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 2314

f95d63e2154a

parent 0

f90c822e73f8

permissions

-rw-r--r--

merge

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