truffle: src/share/vm/gc_implementation/g1/g1MonitoringSupport.cpp annotate

annotate src/share/vm/gc_implementation/g1/g1MonitoringSupport.cpp @ 4155:394404b2d9bd

Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.

author	Doug Simon <doug.simon@oracle.com>
date	Wed, 21 Dec 2011 11:25:27 +0100
parents	8229bd737950
children	b5290bf0a9e4

rev	line source
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	1 /*
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	4 *
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	7 * published by the Free Software Foundation.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	8 *
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	13 * accompanied this code).
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	14 *
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	18 *
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	21 * questions.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	22 *
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	23 */
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	24
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	25 #include "precompiled.hpp"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	26 #include "gc_implementation/g1/g1MonitoringSupport.hpp"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	29
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	30 G1GenerationCounters::G1GenerationCounters(G1MonitoringSupport* g1mm,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	31 const char* name,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	32 int ordinal, int spaces,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	33 size_t min_capacity,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	34 size_t max_capacity,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	35 size_t curr_capacity)
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	36 : GenerationCounters(name, ordinal, spaces, min_capacity,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	37 max_capacity, curr_capacity), _g1mm(g1mm) { }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	38
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	39 // We pad the capacity three times given that the young generation
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	40 // contains three spaces (eden and two survivors).
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	41 G1YoungGenerationCounters::G1YoungGenerationCounters(G1MonitoringSupport* g1mm,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	42 const char* name)
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	43 : G1GenerationCounters(g1mm, name, 0 /* ordinal /, 3 / spaces */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	44 G1MonitoringSupport::pad_capacity(0, 3) /* min_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	45 G1MonitoringSupport::pad_capacity(g1mm->young_gen_max(), 3),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	46 G1MonitoringSupport::pad_capacity(0, 3) /* curr_capacity */) {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	47 update_all();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	48 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	49
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	50 G1OldGenerationCounters::G1OldGenerationCounters(G1MonitoringSupport* g1mm,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	51 const char* name)
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	52 : G1GenerationCounters(g1mm, name, 1 /* ordinal /, 1 / spaces */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	53 G1MonitoringSupport::pad_capacity(0) /* min_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	54 G1MonitoringSupport::pad_capacity(g1mm->old_gen_max()),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	55 G1MonitoringSupport::pad_capacity(0) /* curr_capacity */) {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	56 update_all();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	57 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	58
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	59 void G1YoungGenerationCounters::update_all() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	60 size_t committed =
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	61 G1MonitoringSupport::pad_capacity(_g1mm->young_gen_committed(), 3);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	62 _current_size->set_value(committed);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	63 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	64
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	65 void G1OldGenerationCounters::update_all() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	66 size_t committed =
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	67 G1MonitoringSupport::pad_capacity(_g1mm->old_gen_committed());
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	68 _current_size->set_value(committed);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	69 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	70
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	71 G1MonitoringSupport::G1MonitoringSupport(G1CollectedHeap* g1h) :
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	72 _g1h(g1h),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	73 _incremental_collection_counters(NULL),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	74 _full_collection_counters(NULL),
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	75 _old_collection_counters(NULL),
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	76 _old_space_counters(NULL),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	77 _young_collection_counters(NULL),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	78 _eden_counters(NULL),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	79 _from_counters(NULL),
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	80 _to_counters(NULL),
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	81
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	82 _overall_reserved(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	83 _overall_committed(0), _overall_used(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	84 _young_region_num(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	85 _young_gen_committed(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	86 _eden_committed(0), _eden_used(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	87 _survivor_committed(0), _survivor_used(0),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	88 _old_committed(0), _old_used(0) {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	89
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	90 _overall_reserved = g1h->max_capacity();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	91 recalculate_sizes();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	92
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	93 // Counters for GC collections
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	94 //
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	95 // name "collector.0". In a generational collector this would be the
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	96 // young generation collection.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	97 _incremental_collection_counters =
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	98 new CollectorCounters("G1 incremental collections", 0);
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	99 // name "collector.1". In a generational collector this would be the
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	100 // old generation collection.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	101 _full_collection_counters =
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	102 new CollectorCounters("G1 stop-the-world full collections", 1);
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	103
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	104 // timer sampling for all counters supporting sampling only update the
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	105 // used value. See the take_sample() method. G1 requires both used and
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	106 // capacity updated so sampling is not currently used. It might
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	107 // be sufficient to update all counters in take_sample() even though
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	108 // take_sample() only returns "used". When sampling was used, there
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	109 // were some anomolous values emitted which may have been the consequence
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	110 // of not updating all values simultaneously (i.e., see the calculation done
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	111 // in eden_space_used(), is it possbile that the values used to
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	112 // calculate either eden_used or survivor_used are being updated by
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	113 // the collector when the sample is being done?).
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	114 const bool sampled = false;
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	115
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	116 // "Generation" and "Space" counters.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	117 //
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	118 // name "generation.1" This is logically the old generation in
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	119 // generational GC terms. The "1, 1" parameters are for
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	120 // the n-th generation (=1) with 1 space.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	121 // Counters are created from minCapacity, maxCapacity, and capacity
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	122 _old_collection_counters = new G1OldGenerationCounters(this, "old");
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	123
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	124 // name "generation.1.space.0"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	125 // Counters are created from maxCapacity, capacity, initCapacity,
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	126 // and used.
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	127 _old_space_counters = new HSpaceCounters("space", 0 /* ordinal */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	128 pad_capacity(overall_reserved()) /* max_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	129 pad_capacity(old_space_committed()) /* init_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	130 _old_collection_counters);
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	131
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	132 // Young collection set
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	133 // name "generation.0". This is logically the young generation.
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	134 // The "0, 3" are paremeters for the n-th genertaion (=0) with 3 spaces.
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	135 // See _old_collection_counters for additional counters
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	136 _young_collection_counters = new G1YoungGenerationCounters(this, "young");
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	137
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	138 // name "generation.0.space.0"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	139 // See _old_space_counters for additional counters
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	140 _eden_counters = new HSpaceCounters("eden", 0 /* ordinal */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	141 pad_capacity(overall_reserved()) /* max_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	142 pad_capacity(eden_space_committed()) /* init_capacity */,
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	143 _young_collection_counters);
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	144
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	145 // name "generation.0.space.1"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	146 // See _old_space_counters for additional counters
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	147 // Set the arguments to indicate that this survivor space is not used.
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	148 _from_counters = new HSpaceCounters("s0", 1 /* ordinal */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	149 pad_capacity(0) /* max_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	150 pad_capacity(0) /* init_capacity */,
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	151 _young_collection_counters);
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	152 // Given that this survivor space is not used, we update it here
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	153 // once to reflect that its used space is 0 so that we don't have to
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	154 // worry about updating it again later.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	155 _from_counters->update_used(0);
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	156
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	157 // name "generation.0.space.2"
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	158 // See _old_space_counters for additional counters
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	159 _to_counters = new HSpaceCounters("s1", 2 /* ordinal */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	160 pad_capacity(overall_reserved()) /* max_capacity */,
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	161 pad_capacity(survivor_space_committed()) /* init_capacity */,
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	162 _young_collection_counters);
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	163 }
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	164
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	165 void G1MonitoringSupport::recalculate_sizes() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	166 G1CollectedHeap* g1 = g1h();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	167
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	168 // Recalculate all the sizes from scratch. We assume that this is
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	169 // called at a point where no concurrent updates to the various
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	170 // values we read here are possible (i.e., at a STW phase at the end
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	171 // of a GC).
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	172
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	173 size_t young_list_length = g1->young_list()->length();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	174 size_t survivor_list_length = g1->g1_policy()->recorded_survivor_regions();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	175 assert(young_list_length >= survivor_list_length, "invariant");
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	176 size_t eden_list_length = young_list_length - survivor_list_length;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	177 // Max length includes any potential extensions to the young gen
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	178 // we'll do when the GC locker is active.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	179 size_t young_list_max_length = g1->g1_policy()->young_list_max_length();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	180 assert(young_list_max_length >= survivor_list_length, "invariant");
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	181 size_t eden_list_max_length = young_list_max_length - survivor_list_length;
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	182
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	183 _overall_used = g1->used_unlocked();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	184 _eden_used = eden_list_length * HeapRegion::GrainBytes;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	185 _survivor_used = survivor_list_length * HeapRegion::GrainBytes;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	186 _young_region_num = young_list_length;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	187 _old_used = subtract_up_to_zero(_overall_used, _eden_used + _survivor_used);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	188
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	189 // First calculate the committed sizes that can be calculated independently.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	190 _survivor_committed = _survivor_used;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	191 _old_committed = HeapRegion::align_up_to_region_byte_size(_old_used);
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	192
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	193 // Next, start with the overall committed size.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	194 _overall_committed = g1->capacity();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	195 size_t committed = _overall_committed;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	196
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	197 // Remove the committed size we have calculated so far (for the
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	198 // survivor and old space).
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	199 assert(committed >= (_survivor_committed + _old_committed), "sanity");
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	200 committed -= _survivor_committed + _old_committed;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	201
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	202 // Next, calculate and remove the committed size for the eden.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	203 _eden_committed = eden_list_max_length * HeapRegion::GrainBytes;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	204 // Somewhat defensive: be robust in case there are inaccuracies in
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	205 // the calculations
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	206 _eden_committed = MIN2(_eden_committed, committed);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	207 committed -= _eden_committed;
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	208
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	209 // Finally, give the rest to the old space...
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	210 _old_committed += committed;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	211 // ..and calculate the young gen committed.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	212 _young_gen_committed = _eden_committed + _survivor_committed;
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	213
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	214 assert(_overall_committed ==
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	215 (_eden_committed + _survivor_committed + _old_committed),
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	216 "the committed sizes should add up");
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	217 // Somewhat defensive: cap the eden used size to make sure it
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	218 // never exceeds the committed size.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	219 _eden_used = MIN2(_eden_used, _eden_committed);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	220 // _survivor_committed and _old_committed are calculated in terms of
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	221 // the corresponding _*_used value, so the next two conditions
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	222 // should hold.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	223 assert(_survivor_used <= _survivor_committed, "post-condition");
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	224 assert(_old_used <= _old_committed, "post-condition");
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	225 }
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	226
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	227 void G1MonitoringSupport::recalculate_eden_size() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	228 G1CollectedHeap* g1 = g1h();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	229
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	230 // When a new eden region is allocated, only the eden_used size is
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	231 // affected (since we have recalculated everything else at the last GC).
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	232
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	233 size_t young_region_num = g1h()->young_list()->length();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	234 if (young_region_num > _young_region_num) {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	235 size_t diff = young_region_num - _young_region_num;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	236 _eden_used += diff * HeapRegion::GrainBytes;
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	237 // Somewhat defensive: cap the eden used size to make sure it
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	238 // never exceeds the committed size.
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	239 _eden_used = MIN2(_eden_used, _eden_committed);
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	240 _young_region_num = young_region_num;
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	241 }
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	242 }
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	243
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	244 void G1MonitoringSupport::update_sizes() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	245 recalculate_sizes();
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	246 if (UsePerfData) {
3980 8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	247 eden_counters()->update_capacity(pad_capacity(eden_space_committed()));
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	248 eden_counters()->update_used(eden_space_used());
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	249 // only the to survivor space (s1) is active, so we don't need to
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	250 // update the counteres for the from survivor space (s0)
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	251 to_counters()->update_capacity(pad_capacity(survivor_space_committed()));
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	252 to_counters()->update_used(survivor_space_used());
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	253 old_space_counters()->update_capacity(pad_capacity(old_space_committed()));
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	254 old_space_counters()->update_used(old_space_used());
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	255 old_collection_counters()->update_all();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	256 young_collection_counters()->update_all();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	257 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	258 }
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	259
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	260 void G1MonitoringSupport::update_eden_size() {
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	261 recalculate_eden_size();
8229bd737950 7075646: G1: fix inconsistencies in the monitoring data tonyp parents: 3289 diff changeset	262 if (UsePerfData) {
3289 b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	263 eden_counters()->update_used(eden_space_used());
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	264 }
b52782ae3880 6946417: G1: Java VisualVM does not support G1 properly. jmasa parents: diff changeset	265 }

Mercurial > hg > truffle

annotate src/share/vm/gc_implementation/g1/g1MonitoringSupport.cpp @ 4155:394404b2d9bd