13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_G1_GLOBALS_HPP
26 #define SHARE_VM_GC_G1_G1_GLOBALS_HPP
27
28 #include "runtime/globals.hpp"
29 //
30 // Defines all globals flags used by the garbage-first compiler.
31 //
32
33 #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw) \
34 \
35 product(uintx, G1ConfidencePercent, 50, \
36 "Confidence level for MMU/pause predictions") \
37 \
38 develop(intx, G1MarkingOverheadPercent, 0, \
39 "Overhead of concurrent marking") \
40 \
41 develop(intx, G1MarkingVerboseLevel, 0, \
42 "Level (0-4) of verboseness of the marking code") \
43 \
44 develop(bool, G1TraceMarkStackOverflow, false, \
45 "If true, extra debugging code for CM restart for ovflw.") \
46 \
47 develop(bool, G1TraceHeapRegionRememberedSet, false, \
48 "Enables heap region remembered set debug logs") \
49 \
50 diagnostic(bool, G1SummarizeConcMark, false, \
51 "Summarize concurrent mark info") \
52 \
53 diagnostic(bool, G1SummarizeRSetStats, false, \
54 "Summarize remembered set processing info") \
55 \
56 diagnostic(intx, G1SummarizeRSetStatsPeriod, 0, \
57 "The period (in number of GCs) at which we will generate " \
58 "update buffer processing info " \
59 "(0 means do not periodically generate this info); " \
60 "it also requires -XX:+G1SummarizeRSetStats") \
61 \
62 diagnostic(bool, G1TraceConcRefinement, false, \
63 "Trace G1 concurrent refinement") \
64 \
65 experimental(bool, G1TraceStringSymbolTableScrubbing, false, \
66 "Trace information string and symbol table scrubbing.") \
67 \
68 product(double, G1ConcMarkStepDurationMillis, 10.0, \
69 "Target duration of individual concurrent marking steps " \
70 "in milliseconds.") \
71 \
72 product(intx, G1RefProcDrainInterval, 10, \
73 "The number of discovered reference objects to process before " \
74 "draining concurrent marking work queues.") \
75 \
76 experimental(bool, G1UseConcMarkReferenceProcessing, true, \
77 "If true, enable reference discovery during concurrent " \
78 "marking and reference processing at the end of remark.") \
79 \
80 product(size_t, G1SATBBufferSize, 1*K, \
81 "Number of entries in an SATB log buffer.") \
82 \
83 develop(intx, G1SATBProcessCompletedThreshold, 20, \
84 "Number of completed buffers that triggers log processing.") \
85 \
86 product(uintx, G1SATBBufferEnqueueingThresholdPercent, 60, \
87 "Before enqueueing them, each mutator thread tries to do some " \
88 "filtering on the SATB buffers it generates. If post-filtering " \
89 "the percentage of retained entries is over this threshold " \
90 "the buffer will be enqueued for processing. A value of 0 " \
91 "specifies that mutator threads should not do such filtering.") \
92 \
93 experimental(intx, G1ExpandByPercentOfAvailable, 20, \
94 "When expanding, % of uncommitted space to claim.") \
95 \
96 develop(bool, G1RSBarrierRegionFilter, true, \
97 "If true, generate region filtering code in RS barrier") \
98 \
99 diagnostic(bool, G1PrintRegionLivenessInfo, false, \
100 "Prints the liveness information for all regions in the heap " \
101 "at the end of a marking cycle.") \
102 \
103 product(size_t, G1UpdateBufferSize, 256, \
104 "Size of an update buffer") \
105 \
106 product(intx, G1ConcRefinementYellowZone, 0, \
107 "Number of enqueued update buffers that will " \
108 "trigger concurrent processing. Will be selected ergonomically " \
109 "by default.") \
110 \
111 product(intx, G1ConcRefinementRedZone, 0, \
112 "Maximum number of enqueued update buffers before mutator " \
113 "threads start processing new ones instead of enqueueing them. " \
114 "Will be selected ergonomically by default. Zero will disable " \
121 \
122 product(intx, G1ConcRefinementServiceIntervalMillis, 300, \
123 "The last concurrent refinement thread wakes up every " \
124 "specified number of milliseconds to do miscellaneous work.") \
125 \
126 product(intx, G1ConcRefinementThresholdStep, 0, \
127 "Each time the rset update queue increases by this amount " \
128 "activate the next refinement thread if available. " \
129 "Will be selected ergonomically by default.") \
130 \
131 product(intx, G1RSetUpdatingPauseTimePercent, 10, \
132 "A target percentage of time that is allowed to be spend on " \
133 "process RS update buffers during the collection pause.") \
134 \
135 product(bool, G1UseAdaptiveConcRefinement, true, \
136 "Select green, yellow and red zones adaptively to meet the " \
137 "the pause requirements.") \
138 \
139 product(size_t, G1ConcRSLogCacheSize, 10, \
140 "Log base 2 of the length of conc RS hot-card cache.") \
141 \
142 product(uintx, G1ConcRSHotCardLimit, 4, \
143 "The threshold that defines (>=) a hot card.") \
144 \
145 develop(intx, G1RSetRegionEntriesBase, 256, \
146 "Max number of regions in a fine-grain table per MB.") \
147 \
148 product(intx, G1RSetRegionEntries, 0, \
149 "Max number of regions for which we keep bitmaps." \
150 "Will be set ergonomically by default") \
151 \
152 develop(intx, G1RSetSparseRegionEntriesBase, 4, \
153 "Max number of entries per region in a sparse table " \
154 "per MB.") \
155 \
156 product(intx, G1RSetSparseRegionEntries, 0, \
157 "Max number of entries per region in a sparse table." \
158 "Will be set ergonomically by default.") \
159 \
160 develop(bool, G1RecordHRRSOops, false, \
161 "When true, record recent calls to rem set operations.") \
162 \
163 develop(bool, G1RecordHRRSEvents, false, \
166 develop(intx, G1MaxVerifyFailures, -1, \
167 "The maximum number of verification failures to print. " \
168 "-1 means print all.") \
169 \
170 develop(bool, G1ScrubRemSets, true, \
171 "When true, do RS scrubbing after cleanup.") \
172 \
173 develop(bool, G1RSScrubVerbose, false, \
174 "When true, do RS scrubbing with verbose output.") \
175 \
176 develop(bool, G1YoungSurvRateVerbose, false, \
177 "print out the survival rate of young regions according to age.") \
178 \
179 develop(intx, G1YoungSurvRateNumRegionsSummary, 0, \
180 "the number of regions for which we'll print a surv rate " \
181 "summary.") \
182 \
183 product(uintx, G1ReservePercent, 10, \
184 "It determines the minimum reserve we should have in the heap " \
185 "to minimize the probability of promotion failure.") \
186 \
187 diagnostic(bool, G1PrintHeapRegions, false, \
188 "If set G1 will print information on which regions are being " \
189 "allocated and which are reclaimed.") \
190 \
191 develop(bool, G1HRRSUseSparseTable, true, \
192 "When true, use sparse table to save space.") \
193 \
194 develop(bool, G1HRRSFlushLogBuffersOnVerify, false, \
195 "Forces flushing of log buffers before verification.") \
196 \
197 develop(bool, G1FailOnFPError, false, \
198 "When set, G1 will fail when it encounters an FP 'error', " \
199 "so as to allow debugging") \
200 \
201 product(size_t, G1HeapRegionSize, 0, \
202 "Size of the G1 regions.") \
203 \
204 product(uintx, G1ConcRefinementThreads, 0, \
205 "If non-0 is the number of parallel rem set update threads, " \
221 \
222 develop(bool, G1StressConcRegionFreeing, false, \
223 "It stresses the concurrent region freeing operation") \
224 \
225 develop(uintx, G1StressConcRegionFreeingDelayMillis, 0, \
226 "Artificial delay during concurrent region freeing") \
227 \
228 develop(uintx, G1DummyRegionsPerGC, 0, \
229 "The number of dummy regions G1 will allocate at the end of " \
230 "each evacuation pause in order to artificially fill up the " \
231 "heap and stress the marking implementation.") \
232 \
233 develop(bool, G1ExitOnExpansionFailure, false, \
234 "Raise a fatal VM exit out of memory failure in the event " \
235 " that heap expansion fails due to running out of swap.") \
236 \
237 develop(uintx, G1ConcMarkForceOverflow, 0, \
238 "The number of times we'll force an overflow during " \
239 "concurrent marking") \
240 \
241 experimental(uintx, G1NewSizePercent, 5, \
242 "Percentage (0-100) of the heap size to use as default " \
243 "minimum young gen size.") \
244 \
245 experimental(uintx, G1MaxNewSizePercent, 60, \
246 "Percentage (0-100) of the heap size to use as default " \
247 " maximum young gen size.") \
248 \
249 experimental(uintx, G1MixedGCLiveThresholdPercent, 85, \
250 "Threshold for regions to be considered for inclusion in the " \
251 "collection set of mixed GCs. " \
252 "Regions with live bytes exceeding this will not be collected.") \
253 \
254 product(uintx, G1HeapWastePercent, 5, \
255 "Amount of space, expressed as a percentage of the heap size, " \
256 "that G1 is willing not to collect to avoid expensive GCs.") \
257 \
258 product(uintx, G1MixedGCCountTarget, 8, \
259 "The target number of mixed GCs after a marking cycle.") \
260 \
261 experimental(bool, G1EagerReclaimHumongousObjects, true, \
262 "Try to reclaim dead large objects at every young GC.") \
263 \
264 experimental(bool, G1EagerReclaimHumongousObjectsWithStaleRefs, true, \
265 "Try to reclaim dead large objects that have a few stale " \
266 "references at every young GC.") \
267 \
268 experimental(bool, G1TraceEagerReclaimHumongousObjects, false, \
269 "Print some information about large object liveness " \
270 "at every young GC.") \
271 \
272 experimental(uintx, G1OldCSetRegionThresholdPercent, 10, \
273 "An upper bound for the number of old CSet regions expressed " \
274 "as a percentage of the heap size.") \
275 \
276 experimental(ccstr, G1LogLevel, NULL, \
277 "Log level for G1 logging: fine, finer, finest") \
278 \
279 notproduct(bool, G1EvacuationFailureALot, false, \
280 "Force use of evacuation failure handling during certain " \
281 "evacuation pauses") \
282 \
283 develop(uintx, G1EvacuationFailureALotCount, 1000, \
284 "Number of successful evacuations between evacuation failures " \
285 "occurring at object copying") \
286 \
287 develop(uintx, G1EvacuationFailureALotInterval, 5, \
288 "Total collections between forced triggering of evacuation " \
289 "failures") \
290 \
291 develop(bool, G1EvacuationFailureALotDuringConcMark, true, \
292 "Force use of evacuation failure handling during evacuation " \
293 "pauses when marking is in progress") \
294 \
297 "evacuation pauses") \
298 \
299 develop(bool, G1EvacuationFailureALotDuringYoungGC, true, \
300 "Force use of evacuation failure handling during young " \
301 "evacuation pauses") \
302 \
303 develop(bool, G1EvacuationFailureALotDuringMixedGC, true, \
304 "Force use of evacuation failure handling during mixed " \
305 "evacuation pauses") \
306 \
307 diagnostic(bool, G1VerifyRSetsDuringFullGC, false, \
308 "If true, perform verification of each heap region's " \
309 "remembered set when verifying the heap during a full GC.") \
310 \
311 diagnostic(bool, G1VerifyHeapRegionCodeRoots, false, \
312 "Verify the code root lists attached to each heap region.") \
313 \
314 develop(bool, G1VerifyBitmaps, false, \
315 "Verifies the consistency of the marking bitmaps")
316
317 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)
318
319 #endif // SHARE_VM_GC_G1_G1_GLOBALS_HPP
|
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_G1_GLOBALS_HPP
26 #define SHARE_VM_GC_G1_G1_GLOBALS_HPP
27
28 #include "runtime/globals.hpp"
29 //
30 // Defines all globals flags used by the garbage-first compiler.
31 //
32
33 #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, range, constraint) \
34 \
35 product(uintx, G1ConfidencePercent, 50, \
36 "Confidence level for MMU/pause predictions") \
37 range(0, 100) \
38 \
39 develop(intx, G1MarkingOverheadPercent, 0, \
40 "Overhead of concurrent marking") \
41 range(0, 100) \
42 \
43 develop(intx, G1MarkingVerboseLevel, 0, \
44 "Level (0-4) of verboseness of the marking code") \
45 range(0, 4) \
46 \
47 develop(bool, G1TraceMarkStackOverflow, false, \
48 "If true, extra debugging code for CM restart for ovflw.") \
49 \
50 develop(bool, G1TraceHeapRegionRememberedSet, false, \
51 "Enables heap region remembered set debug logs") \
52 \
53 diagnostic(bool, G1SummarizeConcMark, false, \
54 "Summarize concurrent mark info") \
55 \
56 diagnostic(bool, G1SummarizeRSetStats, false, \
57 "Summarize remembered set processing info") \
58 \
59 diagnostic(intx, G1SummarizeRSetStatsPeriod, 0, \
60 "The period (in number of GCs) at which we will generate " \
61 "update buffer processing info " \
62 "(0 means do not periodically generate this info); " \
63 "it also requires -XX:+G1SummarizeRSetStats") \
64 \
65 diagnostic(bool, G1TraceConcRefinement, false, \
66 "Trace G1 concurrent refinement") \
67 \
68 experimental(bool, G1TraceStringSymbolTableScrubbing, false, \
69 "Trace information string and symbol table scrubbing.") \
70 \
71 product(double, G1ConcMarkStepDurationMillis, 10.0, \
72 "Target duration of individual concurrent marking steps " \
73 "in milliseconds.") \
74 range(1.0, (double)max_uintx) \
75 \
76 product(intx, G1RefProcDrainInterval, 10, \
77 "The number of discovered reference objects to process before " \
78 "draining concurrent marking work queues.") \
79 range(1, max_intx) \
80 \
81 experimental(bool, G1UseConcMarkReferenceProcessing, true, \
82 "If true, enable reference discovery during concurrent " \
83 "marking and reference processing at the end of remark.") \
84 \
85 product(size_t, G1SATBBufferSize, 1*K, \
86 "Number of entries in an SATB log buffer.") \
87 \
88 develop(intx, G1SATBProcessCompletedThreshold, 20, \
89 "Number of completed buffers that triggers log processing.") \
90 \
91 product(uintx, G1SATBBufferEnqueueingThresholdPercent, 60, \
92 "Before enqueueing them, each mutator thread tries to do some " \
93 "filtering on the SATB buffers it generates. If post-filtering " \
94 "the percentage of retained entries is over this threshold " \
95 "the buffer will be enqueued for processing. A value of 0 " \
96 "specifies that mutator threads should not do such filtering.") \
97 range(0, 100) \
98 \
99 experimental(intx, G1ExpandByPercentOfAvailable, 20, \
100 "When expanding, % of uncommitted space to claim.") \
101 range(0, 100) \
102 \
103 develop(bool, G1RSBarrierRegionFilter, true, \
104 "If true, generate region filtering code in RS barrier") \
105 \
106 diagnostic(bool, G1PrintRegionLivenessInfo, false, \
107 "Prints the liveness information for all regions in the heap " \
108 "at the end of a marking cycle.") \
109 \
110 product(size_t, G1UpdateBufferSize, 256, \
111 "Size of an update buffer") \
112 \
113 product(intx, G1ConcRefinementYellowZone, 0, \
114 "Number of enqueued update buffers that will " \
115 "trigger concurrent processing. Will be selected ergonomically " \
116 "by default.") \
117 \
118 product(intx, G1ConcRefinementRedZone, 0, \
119 "Maximum number of enqueued update buffers before mutator " \
120 "threads start processing new ones instead of enqueueing them. " \
121 "Will be selected ergonomically by default. Zero will disable " \
128 \
129 product(intx, G1ConcRefinementServiceIntervalMillis, 300, \
130 "The last concurrent refinement thread wakes up every " \
131 "specified number of milliseconds to do miscellaneous work.") \
132 \
133 product(intx, G1ConcRefinementThresholdStep, 0, \
134 "Each time the rset update queue increases by this amount " \
135 "activate the next refinement thread if available. " \
136 "Will be selected ergonomically by default.") \
137 \
138 product(intx, G1RSetUpdatingPauseTimePercent, 10, \
139 "A target percentage of time that is allowed to be spend on " \
140 "process RS update buffers during the collection pause.") \
141 \
142 product(bool, G1UseAdaptiveConcRefinement, true, \
143 "Select green, yellow and red zones adaptively to meet the " \
144 "the pause requirements.") \
145 \
146 product(size_t, G1ConcRSLogCacheSize, 10, \
147 "Log base 2 of the length of conc RS hot-card cache.") \
148 range(0, 27) \
149 \
150 product(uintx, G1ConcRSHotCardLimit, 4, \
151 "The threshold that defines (>=) a hot card.") \
152 range(0, max_jubyte) \
153 \
154 develop(intx, G1RSetRegionEntriesBase, 256, \
155 "Max number of regions in a fine-grain table per MB.") \
156 \
157 product(intx, G1RSetRegionEntries, 0, \
158 "Max number of regions for which we keep bitmaps." \
159 "Will be set ergonomically by default") \
160 \
161 develop(intx, G1RSetSparseRegionEntriesBase, 4, \
162 "Max number of entries per region in a sparse table " \
163 "per MB.") \
164 \
165 product(intx, G1RSetSparseRegionEntries, 0, \
166 "Max number of entries per region in a sparse table." \
167 "Will be set ergonomically by default.") \
168 \
169 develop(bool, G1RecordHRRSOops, false, \
170 "When true, record recent calls to rem set operations.") \
171 \
172 develop(bool, G1RecordHRRSEvents, false, \
175 develop(intx, G1MaxVerifyFailures, -1, \
176 "The maximum number of verification failures to print. " \
177 "-1 means print all.") \
178 \
179 develop(bool, G1ScrubRemSets, true, \
180 "When true, do RS scrubbing after cleanup.") \
181 \
182 develop(bool, G1RSScrubVerbose, false, \
183 "When true, do RS scrubbing with verbose output.") \
184 \
185 develop(bool, G1YoungSurvRateVerbose, false, \
186 "print out the survival rate of young regions according to age.") \
187 \
188 develop(intx, G1YoungSurvRateNumRegionsSummary, 0, \
189 "the number of regions for which we'll print a surv rate " \
190 "summary.") \
191 \
192 product(uintx, G1ReservePercent, 10, \
193 "It determines the minimum reserve we should have in the heap " \
194 "to minimize the probability of promotion failure.") \
195 range(0, 100) \
196 \
197 diagnostic(bool, G1PrintHeapRegions, false, \
198 "If set G1 will print information on which regions are being " \
199 "allocated and which are reclaimed.") \
200 \
201 develop(bool, G1HRRSUseSparseTable, true, \
202 "When true, use sparse table to save space.") \
203 \
204 develop(bool, G1HRRSFlushLogBuffersOnVerify, false, \
205 "Forces flushing of log buffers before verification.") \
206 \
207 develop(bool, G1FailOnFPError, false, \
208 "When set, G1 will fail when it encounters an FP 'error', " \
209 "so as to allow debugging") \
210 \
211 product(size_t, G1HeapRegionSize, 0, \
212 "Size of the G1 regions.") \
213 \
214 product(uintx, G1ConcRefinementThreads, 0, \
215 "If non-0 is the number of parallel rem set update threads, " \
231 \
232 develop(bool, G1StressConcRegionFreeing, false, \
233 "It stresses the concurrent region freeing operation") \
234 \
235 develop(uintx, G1StressConcRegionFreeingDelayMillis, 0, \
236 "Artificial delay during concurrent region freeing") \
237 \
238 develop(uintx, G1DummyRegionsPerGC, 0, \
239 "The number of dummy regions G1 will allocate at the end of " \
240 "each evacuation pause in order to artificially fill up the " \
241 "heap and stress the marking implementation.") \
242 \
243 develop(bool, G1ExitOnExpansionFailure, false, \
244 "Raise a fatal VM exit out of memory failure in the event " \
245 " that heap expansion fails due to running out of swap.") \
246 \
247 develop(uintx, G1ConcMarkForceOverflow, 0, \
248 "The number of times we'll force an overflow during " \
249 "concurrent marking") \
250 \
251 experimental(uintx, G1MaxNewSizePercent, 60, \
252 "Percentage (0-100) of the heap size to use as default " \
253 " maximum young gen size.") \
254 range(0, 100) \
255 constraint(G1MaxNewSizePercentConstraintFunc) \
256 \
257 experimental(uintx, G1NewSizePercent, 5, \
258 "Percentage (0-100) of the heap size to use as default " \
259 "minimum young gen size.") \
260 constraint(G1NewSizePercentConstraintFunc) \
261 \
262 experimental(uintx, G1MixedGCLiveThresholdPercent, 85, \
263 "Threshold for regions to be considered for inclusion in the " \
264 "collection set of mixed GCs. " \
265 "Regions with live bytes exceeding this will not be collected.") \
266 range(0, 100) \
267 \
268 product(uintx, G1HeapWastePercent, 5, \
269 "Amount of space, expressed as a percentage of the heap size, " \
270 "that G1 is willing not to collect to avoid expensive GCs.") \
271 range(0, 100) \
272 \
273 product(uintx, G1MixedGCCountTarget, 8, \
274 "The target number of mixed GCs after a marking cycle.") \
275 \
276 experimental(bool, G1EagerReclaimHumongousObjects, true, \
277 "Try to reclaim dead large objects at every young GC.") \
278 \
279 experimental(bool, G1EagerReclaimHumongousObjectsWithStaleRefs, true, \
280 "Try to reclaim dead large objects that have a few stale " \
281 "references at every young GC.") \
282 \
283 experimental(bool, G1TraceEagerReclaimHumongousObjects, false, \
284 "Print some information about large object liveness " \
285 "at every young GC.") \
286 \
287 experimental(uintx, G1OldCSetRegionThresholdPercent, 10, \
288 "An upper bound for the number of old CSet regions expressed " \
289 "as a percentage of the heap size.") \
290 range(0, 100) \
291 \
292 experimental(ccstr, G1LogLevel, NULL, \
293 "Log level for G1 logging: fine, finer, finest") \
294 \
295 notproduct(bool, G1EvacuationFailureALot, false, \
296 "Force use of evacuation failure handling during certain " \
297 "evacuation pauses") \
298 \
299 develop(uintx, G1EvacuationFailureALotCount, 1000, \
300 "Number of successful evacuations between evacuation failures " \
301 "occurring at object copying") \
302 \
303 develop(uintx, G1EvacuationFailureALotInterval, 5, \
304 "Total collections between forced triggering of evacuation " \
305 "failures") \
306 \
307 develop(bool, G1EvacuationFailureALotDuringConcMark, true, \
308 "Force use of evacuation failure handling during evacuation " \
309 "pauses when marking is in progress") \
310 \
313 "evacuation pauses") \
314 \
315 develop(bool, G1EvacuationFailureALotDuringYoungGC, true, \
316 "Force use of evacuation failure handling during young " \
317 "evacuation pauses") \
318 \
319 develop(bool, G1EvacuationFailureALotDuringMixedGC, true, \
320 "Force use of evacuation failure handling during mixed " \
321 "evacuation pauses") \
322 \
323 diagnostic(bool, G1VerifyRSetsDuringFullGC, false, \
324 "If true, perform verification of each heap region's " \
325 "remembered set when verifying the heap during a full GC.") \
326 \
327 diagnostic(bool, G1VerifyHeapRegionCodeRoots, false, \
328 "Verify the code root lists attached to each heap region.") \
329 \
330 develop(bool, G1VerifyBitmaps, false, \
331 "Verifies the consistency of the marking bitmaps")
332
333 G1_FLAGS(DECLARE_DEVELOPER_FLAG, \
334 DECLARE_PD_DEVELOPER_FLAG, \
335 DECLARE_PRODUCT_FLAG, \
336 DECLARE_PD_PRODUCT_FLAG, \
337 DECLARE_DIAGNOSTIC_FLAG, \
338 DECLARE_EXPERIMENTAL_FLAG, \
339 DECLARE_NOTPRODUCT_FLAG, \
340 DECLARE_MANAGEABLE_FLAG, \
341 DECLARE_PRODUCT_RW_FLAG, \
342 IGNORE_RANGE, \
343 IGNORE_CONSTRAINT)
344
345 #endif // SHARE_VM_GC_G1_G1_GLOBALS_HPP
|