annotate src/share/vm/gc_implementation/g1/g1_globals.hpp @ 1879:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
parents c32059ef4dc0
children 7e37af9d69ef
rev   line source
ysr@342 1 /*
trims@1472 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
ysr@342 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ysr@342 4 *
ysr@342 5 * This code is free software; you can redistribute it and/or modify it
ysr@342 6 * under the terms of the GNU General Public License version 2 only, as
ysr@342 7 * published by the Free Software Foundation.
ysr@342 8 *
ysr@342 9 * This code is distributed in the hope that it will be useful, but WITHOUT
ysr@342 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ysr@342 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ysr@342 12 * version 2 for more details (a copy is included in the LICENSE file that
ysr@342 13 * accompanied this code).
ysr@342 14 *
ysr@342 15 * You should have received a copy of the GNU General Public License version
ysr@342 16 * 2 along with this work; if not, write to the Free Software Foundation,
ysr@342 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ysr@342 18 *
trims@1472 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1472 20 * or visit www.oracle.com if you need additional information or have any
trims@1472 21 * questions.
ysr@342 22 *
ysr@342 23 */
ysr@342 24
stefank@1879 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP
stefank@1879 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP
stefank@1879 27
stefank@1879 28 #include "runtime/globals.hpp"
stefank@1879 29
ysr@342 30 //
ysr@342 31 // Defines all globals flags used by the garbage-first compiler.
ysr@342 32 //
ysr@342 33
ysr@350 34 #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw) \
ysr@342 35 \
johnc@751 36 product(intx, G1ConfidencePercent, 50, \
ysr@342 37 "Confidence level for MMU/pause predictions") \
ysr@342 38 \
tonyp@884 39 develop(intx, G1MarkingOverheadPercent, 0, \
ysr@342 40 "Overhead of concurrent marking") \
ysr@342 41 \
johnc@751 42 develop(bool, G1Gen, true, \
ysr@342 43 "If true, it will enable the generational G1") \
ysr@342 44 \
johnc@751 45 develop(intx, G1PolicyVerbose, 0, \
ysr@342 46 "The verbosity level on G1 policy decisions") \
ysr@342 47 \
ysr@342 48 develop(intx, G1MarkingVerboseLevel, 0, \
ysr@342 49 "Level (0-4) of verboseness of the marking code") \
ysr@342 50 \
tonyp@1044 51 develop(bool, G1PrintReachableAtInitialMark, false, \
tonyp@1044 52 "Reachable object dump at the initial mark pause") \
tonyp@1044 53 \
tonyp@1044 54 develop(bool, G1VerifyDuringGCPrintReachable, false, \
tonyp@1044 55 "If conc mark verification fails, dump reachable objects") \
tonyp@1044 56 \
tonyp@1044 57 develop(ccstr, G1PrintReachableBaseFile, NULL, \
tonyp@1044 58 "The base file name for the reachable object dumps") \
ysr@342 59 \
ysr@342 60 develop(bool, G1TraceMarkStackOverflow, false, \
ysr@342 61 "If true, extra debugging code for CM restart for ovflw.") \
ysr@342 62 \
ysr@342 63 develop(intx, G1PausesBtwnConcMark, -1, \
ysr@342 64 "If positive, fixed number of pauses between conc markings") \
ysr@342 65 \
tonyp@1282 66 diagnostic(bool, G1SummarizeConcMark, false, \
ysr@342 67 "Summarize concurrent mark info") \
ysr@342 68 \
johnc@751 69 diagnostic(bool, G1SummarizeRSetStats, false, \
ysr@342 70 "Summarize remembered set processing info") \
ysr@342 71 \
tonyp@884 72 diagnostic(intx, G1SummarizeRSetStatsPeriod, 0, \
tonyp@884 73 "The period (in number of GCs) at which we will generate " \
tonyp@884 74 "update buffer processing info " \
tonyp@884 75 "(0 means do not periodically generate this info); " \
tonyp@884 76 "it also requires -XX:+G1SummarizeRSetStats") \
tonyp@884 77 \
johnc@751 78 diagnostic(bool, G1SummarizeZFStats, false, \
ysr@342 79 "Summarize zero-filling info") \
ysr@342 80 \
tonyp@1282 81 diagnostic(bool, G1TraceConcRefinement, false, \
ysr@342 82 "Trace G1 concurrent refinement") \
ysr@342 83 \
johnc@751 84 product(intx, G1MarkRegionStackSize, 1024 * 1024, \
ysr@342 85 "Size of the region stack for concurrent marking.") \
ysr@342 86 \
ysr@342 87 develop(bool, G1ConcZeroFill, true, \
ysr@342 88 "If true, run concurrent zero-filling thread") \
ysr@342 89 \
ysr@342 90 develop(intx, G1ConcZFMaxRegions, 1, \
ysr@342 91 "Stop zero-filling when # of zf'd regions reaches") \
ysr@342 92 \
ysr@342 93 develop(bool, G1SATBBarrierPrintNullPreVals, false, \
ysr@342 94 "If true, count frac of ptr writes with null pre-vals.") \
ysr@342 95 \
tonyp@1282 96 product(intx, G1SATBBufferSize, 1*K, \
ysr@342 97 "Number of entries in an SATB log buffer.") \
ysr@342 98 \
tonyp@1282 99 develop(intx, G1SATBProcessCompletedThreshold, 20, \
ysr@342 100 "Number of completed buffers that triggers log processing.") \
ysr@342 101 \
ysr@342 102 develop(intx, G1ExtraRegionSurvRate, 33, \
ysr@342 103 "If the young survival rate is S, and there's room left in " \
ysr@342 104 "to-space, we will allow regions whose survival rate is up to " \
ysr@342 105 "S + (1 - S)*X, where X is this parameter (as a fraction.)") \
ysr@342 106 \
ysr@342 107 develop(intx, G1InitYoungSurvRatio, 50, \
ysr@342 108 "Expected Survival Rate for newly allocated bytes") \
ysr@342 109 \
ysr@342 110 develop(bool, G1SATBPrintStubs, false, \
ysr@342 111 "If true, print generated stubs for the SATB barrier") \
ysr@342 112 \
tonyp@1282 113 experimental(intx, G1ExpandByPercentOfAvailable, 20, \
ysr@342 114 "When expanding, % of uncommitted space to claim.") \
ysr@342 115 \
ysr@342 116 develop(bool, G1RSBarrierRegionFilter, true, \
ysr@342 117 "If true, generate region filtering code in RS barrier") \
ysr@342 118 \
ysr@342 119 develop(bool, G1RSBarrierNullFilter, true, \
ysr@342 120 "If true, generate null-pointer filtering code in RS barrier") \
ysr@342 121 \
ysr@342 122 develop(bool, G1PrintCTFilterStats, false, \
ysr@342 123 "If true, print stats on RS filtering effectiveness") \
ysr@342 124 \
iveresov@616 125 develop(bool, G1DeferredRSUpdate, true, \
iveresov@616 126 "If true, use deferred RS updates") \
iveresov@616 127 \
ysr@342 128 develop(bool, G1RSLogCheckCardTable, false, \
ysr@342 129 "If true, verify that no dirty cards remain after RS log " \
ysr@342 130 "processing.") \
ysr@342 131 \
ysr@342 132 develop(bool, G1RSCountHisto, false, \
ysr@342 133 "If true, print a histogram of RS occupancies after each pause") \
ysr@342 134 \
ysr@342 135 develop(intx, G1PrintRegionLivenessInfo, 0, \
ysr@342 136 "When > 0, print the occupancies of the <n> best and worst" \
ysr@342 137 "regions.") \
ysr@342 138 \
ysr@342 139 develop(bool, G1PrintParCleanupStats, false, \
ysr@342 140 "When true, print extra stats about parallel cleanup.") \
ysr@342 141 \
ysr@342 142 develop(bool, G1DisablePreBarrier, false, \
ysr@342 143 "Disable generation of pre-barrier (i.e., marking barrier) ") \
ysr@342 144 \
ysr@342 145 develop(bool, G1DisablePostBarrier, false, \
ysr@342 146 "Disable generation of post-barrier (i.e., RS barrier) ") \
ysr@342 147 \
tonyp@883 148 product(intx, G1UpdateBufferSize, 256, \
tonyp@883 149 "Size of an update buffer") \
tonyp@883 150 \
tonyp@1282 151 product(intx, G1ConcRefinementYellowZone, 0, \
tonyp@883 152 "Number of enqueued update buffers that will " \
iveresov@1111 153 "trigger concurrent processing. Will be selected ergonomically " \
iveresov@1111 154 "by default.") \
tonyp@883 155 \
tonyp@1282 156 product(intx, G1ConcRefinementRedZone, 0, \
tonyp@883 157 "Maximum number of enqueued update buffers before mutator " \
iveresov@1111 158 "threads start processing new ones instead of enqueueing them. " \
iveresov@1111 159 "Will be selected ergonomically by default. Zero will disable " \
iveresov@1111 160 "concurrent processing.") \
iveresov@1111 161 \
tonyp@1282 162 product(intx, G1ConcRefinementGreenZone, 0, \
iveresov@1111 163 "The number of update buffers that are left in the queue by the " \
iveresov@1111 164 "concurrent processing threads. Will be selected ergonomically " \
iveresov@1111 165 "by default.") \
iveresov@1111 166 \
tonyp@1282 167 product(intx, G1ConcRefinementServiceIntervalMillis, 300, \
iveresov@1111 168 "The last concurrent refinement thread wakes up every " \
iveresov@1111 169 "specified number of milliseconds to do miscellaneous work.") \
iveresov@1111 170 \
tonyp@1282 171 product(intx, G1ConcRefinementThresholdStep, 0, \
iveresov@1111 172 "Each time the rset update queue increases by this amount " \
iveresov@1111 173 "activate the next refinement thread if available. " \
iveresov@1111 174 "Will be selected ergonomically by default.") \
iveresov@1111 175 \
tonyp@1282 176 product(intx, G1RSetUpdatingPauseTimePercent, 10, \
iveresov@1111 177 "A target percentage of time that is allowed to be spend on " \
iveresov@1111 178 "process RS update buffers during the collection pause.") \
iveresov@1111 179 \
tonyp@1282 180 product(bool, G1UseAdaptiveConcRefinement, true, \
iveresov@1111 181 "Select green, yellow and red zones adaptively to meet the " \
iveresov@1111 182 "the pause requirements.") \
ysr@342 183 \
ysr@342 184 develop(intx, G1ConcRSLogCacheSize, 10, \
ysr@342 185 "Log base 2 of the length of conc RS hot-card cache.") \
ysr@342 186 \
johnc@751 187 develop(intx, G1ConcRSHotCardLimit, 4, \
ysr@342 188 "The threshold that defines (>=) a hot card.") \
ysr@342 189 \
ysr@342 190 develop(bool, G1PrintOopAppls, false, \
ysr@342 191 "When true, print applications of closures to external locs.") \
ysr@342 192 \
iveresov@1261 193 develop(intx, G1RSetRegionEntriesBase, 256, \
iveresov@1261 194 "Max number of regions in a fine-grain table per MB.") \
iveresov@1261 195 \
iveresov@1261 196 product(intx, G1RSetRegionEntries, 0, \
iveresov@1261 197 "Max number of regions for which we keep bitmaps." \
iveresov@1261 198 "Will be set ergonomically by default") \
iveresov@1261 199 \
iveresov@1261 200 develop(intx, G1RSetSparseRegionEntriesBase, 4, \
iveresov@1261 201 "Max number of entries per region in a sparse table " \
iveresov@1261 202 "per MB.") \
iveresov@1261 203 \
iveresov@1261 204 product(intx, G1RSetSparseRegionEntries, 0, \
iveresov@1261 205 "Max number of entries per region in a sparse table." \
iveresov@1261 206 "Will be set ergonomically by default.") \
ysr@342 207 \
ysr@342 208 develop(bool, G1RecordHRRSOops, false, \
ysr@342 209 "When true, record recent calls to rem set operations.") \
ysr@342 210 \
ysr@342 211 develop(bool, G1RecordHRRSEvents, false, \
ysr@342 212 "When true, record recent calls to rem set operations.") \
ysr@342 213 \
ysr@342 214 develop(intx, G1MaxVerifyFailures, -1, \
ysr@342 215 "The maximum number of verification failrues to print. " \
ysr@342 216 "-1 means print all.") \
ysr@342 217 \
ysr@342 218 develop(bool, G1ScrubRemSets, true, \
ysr@342 219 "When true, do RS scrubbing after cleanup.") \
ysr@342 220 \
ysr@342 221 develop(bool, G1RSScrubVerbose, false, \
ysr@342 222 "When true, do RS scrubbing with verbose output.") \
ysr@342 223 \
ysr@342 224 develop(bool, G1YoungSurvRateVerbose, false, \
ysr@342 225 "print out the survival rate of young regions according to age.") \
ysr@342 226 \
ysr@342 227 develop(intx, G1YoungSurvRateNumRegionsSummary, 0, \
ysr@342 228 "the number of regions for which we'll print a surv rate " \
ysr@342 229 "summary.") \
ysr@342 230 \
tonyp@1282 231 product(intx, G1ReservePercent, 10, \
ysr@342 232 "It determines the minimum reserve we should have in the heap " \
ysr@342 233 "to minimize the probability of promotion failure.") \
ysr@342 234 \
tonyp@1282 235 diagnostic(bool, G1PrintHeapRegions, false, \
ysr@342 236 "If set G1 will print information on which regions are being " \
ysr@342 237 "allocated and which are reclaimed.") \
ysr@342 238 \
ysr@342 239 develop(bool, G1HRRSUseSparseTable, true, \
ysr@342 240 "When true, use sparse table to save space.") \
ysr@342 241 \
ysr@342 242 develop(bool, G1HRRSFlushLogBuffersOnVerify, false, \
ysr@342 243 "Forces flushing of log buffers before verification.") \
ysr@342 244 \
ysr@1087 245 develop(bool, G1FailOnFPError, false, \
ysr@1087 246 "When set, G1 will fail when it encounters an FP 'error', " \
ysr@1087 247 "so as to allow debugging") \
ysr@1087 248 \
johnc@751 249 develop(bool, G1FixedTenuringThreshold, false, \
apetrusenko@545 250 "When set, G1 will not adjust the tenuring threshold") \
apetrusenko@545 251 \
johnc@751 252 develop(bool, G1FixedEdenSize, false, \
apetrusenko@545 253 "When set, G1 will not allocate unused survivor space regions") \
apetrusenko@545 254 \
johnc@751 255 develop(uintx, G1FixedSurvivorSpaceSize, 0, \
apetrusenko@545 256 "If non-0 is the size of the G1 survivor space, " \
tonyp@638 257 "otherwise SurvivorRatio is used to determine the size") \
tonyp@638 258 \
tonyp@942 259 product(uintx, G1HeapRegionSize, 0, \
tonyp@942 260 "Size of the G1 regions.") \
tonyp@942 261 \
tonyp@1357 262 experimental(bool, G1UseParallelRSetUpdating, true, \
tonyp@638 263 "Enables the parallelization of remembered set updating " \
tonyp@638 264 "during evacuation pauses") \
tonyp@638 265 \
tonyp@1357 266 experimental(bool, G1UseParallelRSetScanning, true, \
tonyp@638 267 "Enables the parallelization of remembered set scanning " \
iveresov@794 268 "during evacuation pauses") \
iveresov@794 269 \
tonyp@1282 270 product(uintx, G1ConcRefinementThreads, 0, \
iveresov@794 271 "If non-0 is the number of parallel rem set update threads, " \
johnc@890 272 "otherwise the value is determined ergonomically.") \
johnc@890 273 \
johnc@890 274 develop(intx, G1CardCountCacheExpandThreshold, 16, \
johnc@890 275 "Expand the card count cache if the number of collisions for " \
apetrusenko@940 276 "a particular entry exceeds this value.") \
apetrusenko@940 277 \
apetrusenko@940 278 develop(bool, G1VerifyCTCleanup, false, \
ysr@1194 279 "Verify card table cleanup.") \
ysr@1194 280 \
iveresov@1261 281 product(uintx, G1RSetScanBlockSize, 64, \
iveresov@1261 282 "Size of a work unit of cards claimed by a worker thread" \
iveresov@1261 283 "during RSet scanning.") \
iveresov@1261 284 \
ysr@1194 285 develop(bool, ReduceInitialCardMarksForG1, false, \
ysr@1194 286 "When ReduceInitialCardMarks is true, this flag setting " \
ysr@1194 287 " controls whether G1 allows the RICM optimization")
ysr@342 288
ysr@350 289 G1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG)
stefank@1879 290
stefank@1879 291 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP