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src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp@89e0543e1737 (annotated)

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

Tue, 22 Sep 2009 14:06:10 -0700

author

xdono

date

Tue, 22 Sep 2009 14:06:10 -0700

changeset 1383

89e0543e1737

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6884624: Update copyright year
Summary: Update copyright for files that have been modified in 2009 through Septermber
Reviewed-by: tbell, ohair

duke@435	1	/*
duke@435	2	* Copyright 2004-2005 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_gcAdaptivePolicyCounters.cpp.incl"
duke@435	27
duke@435	28	// This class keeps statistical information and computes the
duke@435	29	// size of the heap.
duke@435	30
duke@435	31	GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name,
duke@435	32	int collectors,
duke@435	33	int generations,
duke@435	34	AdaptiveSizePolicy* size_policy_arg)
duke@435	35	: GCPolicyCounters(name, collectors, generations),
duke@435	36	_size_policy(size_policy_arg) {
duke@435	37	if (UsePerfData) {
duke@435	38	EXCEPTION_MARK;
duke@435	39	ResourceMark rm;
duke@435	40
duke@435	41	const char* cname = PerfDataManager::counter_name(name_space(), "edenSize");
duke@435	42	_eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	43	PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK);
duke@435	44
duke@435	45	cname = PerfDataManager::counter_name(name_space(), "promoSize");
duke@435	46	_promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	47	PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(),
duke@435	48	CHECK);
duke@435	49
duke@435	50	cname = PerfDataManager::counter_name(name_space(), "youngCapacity");
duke@435	51	size_t young_capacity_in_bytes =
duke@435	52	_size_policy->calculated_eden_size_in_bytes() +
duke@435	53	_size_policy->calculated_survivor_size_in_bytes();
duke@435	54	_young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	55	PerfData::U_Bytes, young_capacity_in_bytes, CHECK);
duke@435	56
duke@435	57	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg");
duke@435	58	_avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	59	PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(),
duke@435	60	CHECK);
duke@435	61
duke@435	62	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev");
duke@435	63	_avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	64	PerfData::U_Bytes, (jlong) 0 , CHECK);
duke@435	65
duke@435	66	cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg");
duke@435	67	_avg_survived_padded_avg_counter =
duke@435	68	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
duke@435	69	size_policy()->calculated_survivor_size_in_bytes(), CHECK);
duke@435	70
duke@435	71	cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime");
duke@435	72	_avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	73	PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(),
duke@435	74	CHECK);
duke@435	75
duke@435	76	cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime");
duke@435	77	_avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC,
duke@435	78	cname,
duke@435	79	PerfData::U_Ticks,
duke@435	80	(jlong) _size_policy->_avg_minor_interval->average(),
duke@435	81	CHECK);
duke@435	82
duke@435	83	#ifdef NOT_PRODUCT
duke@435	84	// This is a counter for the most recent minor pause time
duke@435	85	// (the last sample, not the average). It is useful for
duke@435	86	// verifying the average pause time but not worth putting
duke@435	87	// into the product.
duke@435	88	cname = PerfDataManager::counter_name(name_space(), "minorPauseTime");
duke@435	89	_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	90	PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(),
duke@435	91	CHECK);
duke@435	92	#endif
duke@435	93
duke@435	94	cname = PerfDataManager::counter_name(name_space(), "minorGcCost");
duke@435	95	_minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
duke@435	96	cname,
duke@435	97	PerfData::U_Ticks,
duke@435	98	(jlong) _size_policy->minor_gc_cost(),
duke@435	99	CHECK);
duke@435	100
duke@435	101	cname = PerfDataManager::counter_name(name_space(), "mutatorCost");
duke@435	102	_mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	103	PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK);
duke@435	104
duke@435	105	cname = PerfDataManager::counter_name(name_space(), "survived");
duke@435	106	_survived_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	107	PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435	108
duke@435	109	cname = PerfDataManager::counter_name(name_space(), "promoted");
duke@435	110	_promoted_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	111	PerfData::U_Bytes, (jlong) 0, CHECK);
duke@435	112
duke@435	113	cname = PerfDataManager::counter_name(name_space(), "avgYoungLive");
duke@435	114	_avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	115	PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(),
duke@435	116	CHECK);
duke@435	117
duke@435	118	cname = PerfDataManager::counter_name(name_space(), "avgOldLive");
duke@435	119	_avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	120	PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(),
duke@435	121	CHECK);
duke@435	122
duke@435	123	cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed");
duke@435	124	_survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	125	PerfData::U_Events, (jlong)0, CHECK);
duke@435	126
duke@435	127	cname = PerfDataManager::counter_name(name_space(),
duke@435	128	"decrementTenuringThresholdForGcCost");
duke@435	129	_decrement_tenuring_threshold_for_gc_cost_counter =
duke@435	130	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	131	(jlong)0, CHECK);
duke@435	132
duke@435	133	cname = PerfDataManager::counter_name(name_space(),
duke@435	134	"incrementTenuringThresholdForGcCost");
duke@435	135	_increment_tenuring_threshold_for_gc_cost_counter =
duke@435	136	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	137	(jlong)0, CHECK);
duke@435	138
duke@435	139	cname = PerfDataManager::counter_name(name_space(),
duke@435	140	"decrementTenuringThresholdForSurvivorLimit");
duke@435	141	_decrement_tenuring_threshold_for_survivor_limit_counter =
duke@435	142	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	143	(jlong)0, CHECK);
duke@435	144	cname = PerfDataManager::counter_name(name_space(),
duke@435	145	"changeYoungGenForMinPauses");
duke@435	146	_change_young_gen_for_min_pauses_counter =
duke@435	147	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	148	(jlong)0, CHECK);
duke@435	149
duke@435	150	cname = PerfDataManager::counter_name(name_space(),
duke@435	151	"changeOldGenForMajPauses");
duke@435	152	_change_old_gen_for_maj_pauses_counter =
duke@435	153	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	154	(jlong)0, CHECK);
duke@435	155
duke@435	156	cname = PerfDataManager::counter_name(name_space(),
duke@435	157	"increaseOldGenForThroughput");
duke@435	158	_change_old_gen_for_throughput_counter =
duke@435	159	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	160	(jlong)0, CHECK);
duke@435	161
duke@435	162	cname = PerfDataManager::counter_name(name_space(),
duke@435	163	"increaseYoungGenForThroughput");
duke@435	164	_change_young_gen_for_throughput_counter =
duke@435	165	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
duke@435	166	(jlong)0, CHECK);
duke@435	167
duke@435	168	cname = PerfDataManager::counter_name(name_space(),
duke@435	169	"decreaseForFootprint");
duke@435	170	_decrease_for_footprint_counter =
duke@435	171	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	172	PerfData::U_Events, (jlong)0, CHECK);
duke@435	173
duke@435	174	cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc");
duke@435	175	_decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname,
duke@435	176	PerfData::U_None, (jlong)0, CHECK);
duke@435	177
duke@435	178	cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope");
duke@435	179	_minor_pause_young_slope_counter =
duke@435	180	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	181	PerfData::U_None, (jlong) 0, CHECK);
duke@435	182
duke@435	183	cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope");
duke@435	184	_major_collection_slope_counter =
duke@435	185	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	186	PerfData::U_None, (jlong) 0, CHECK);
duke@435	187
duke@435	188	cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope");
duke@435	189	_minor_collection_slope_counter =
duke@435	190	PerfDataManager::create_variable(SUN_GC, cname,
duke@435	191	PerfData::U_None, (jlong) 0, CHECK);
duke@435	192	}
duke@435	193	}
duke@435	194
duke@435	195	void GCAdaptivePolicyCounters::update_counters_from_policy() {
duke@435	196	if (UsePerfData && (size_policy() != NULL)) {
duke@435	197	update_avg_minor_pause_counter();
duke@435	198	update_avg_minor_interval_counter();
duke@435	199	#ifdef NOT_PRODUCT
duke@435	200	update_minor_pause_counter();
duke@435	201	#endif
duke@435	202	update_minor_gc_cost_counter();
duke@435	203	update_avg_young_live_counter();
duke@435	204
duke@435	205	update_survivor_size_counters();
duke@435	206	update_avg_survived_avg_counters();
duke@435	207	update_avg_survived_dev_counters();
duke@435	208	update_avg_survived_padded_avg_counters();
duke@435	209
duke@435	210	update_change_old_gen_for_throughput();
duke@435	211	update_change_young_gen_for_throughput();
duke@435	212	update_decrease_for_footprint();
duke@435	213	update_change_young_gen_for_min_pauses();
duke@435	214	update_change_old_gen_for_maj_pauses();
duke@435	215
duke@435	216	update_minor_pause_young_slope_counter();
duke@435	217	update_minor_collection_slope_counter();
duke@435	218	update_major_collection_slope_counter();
duke@435	219	}
duke@435	220	}
duke@435	221
duke@435	222	void GCAdaptivePolicyCounters::update_counters() {
duke@435	223	if (UsePerfData) {
duke@435	224	update_counters_from_policy();
duke@435	225	}
duke@435	226	}