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comparison src/share/vm/runtime/globals.hpp @ 6818:22b8d3d181d9

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8000351: Tenuring threshold should be unsigned Summary: Change the flags and variables related to tenuring threshold to be unsigned Reviewed-by: jmasa, johnc
author jwilhelm
date Wed, 03 Oct 2012 20:31:41 +0200
parents f81a7c0c618d
children 6e5a59a8e4a7 c3e799c37717
comparison
equal deleted inserted replaced
6817:f81a7c0c618d 6818:22b8d3d181d9
471 "Use lwsync instruction if true, else use slower sync") \ 471 "Use lwsync instruction if true, else use slower sync") \
472 \ 472 \
473 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ 473 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \
474 "Whether to clean the chunk pool asynchronously") \ 474 "Whether to clean the chunk pool asynchronously") \
475 \ 475 \
476 /* Temporary: See 6948537 */ \ 476 /* Temporary: See 6948537 */ \
477 experimental(bool, UseMemSetInBOT, true, \ 477 experimental(bool, UseMemSetInBOT, true, \
478 "(Unstable) uses memset in BOT updates in GC code") \ 478 "(Unstable) uses memset in BOT updates in GC code") \
479 \ 479 \
480 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ 480 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \
481 "Enable normal processing of flags relating to field diagnostics")\ 481 "Enable normal processing of flags relating to field diagnostics")\
1624 \ 1624 \
1625 develop(intx, CMSDictionaryChoice, 0, \ 1625 develop(intx, CMSDictionaryChoice, 0, \
1626 "Use BinaryTreeDictionary as default in the CMS generation") \ 1626 "Use BinaryTreeDictionary as default in the CMS generation") \
1627 \ 1627 \
1628 product(uintx, CMSIndexedFreeListReplenish, 4, \ 1628 product(uintx, CMSIndexedFreeListReplenish, 4, \
1629 "Replenish an indexed free list with this number of chunks") \ 1629 "Replenish an indexed free list with this number of chunks") \
1630 \ 1630 \
1631 product(bool, CMSReplenishIntermediate, true, \ 1631 product(bool, CMSReplenishIntermediate, true, \
1632 "Replenish all intermediate free-list caches") \ 1632 "Replenish all intermediate free-list caches") \
1633 \ 1633 \
1634 product(bool, CMSSplitIndexedFreeListBlocks, true, \ 1634 product(bool, CMSSplitIndexedFreeListBlocks, true, \
2050 "Supplement to TenuredGenerationSizeIncrement used at startup") \ 2050 "Supplement to TenuredGenerationSizeIncrement used at startup") \
2051 \ 2051 \
2052 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ 2052 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \
2053 "Decay factor to TenuredGenerationSizeIncrement") \ 2053 "Decay factor to TenuredGenerationSizeIncrement") \
2054 \ 2054 \
2055 product(uintx, MaxGCPauseMillis, max_uintx, \ 2055 product(uintx, MaxGCPauseMillis, max_uintx, \
2056 "Adaptive size policy maximum GC pause time goal in msec, " \ 2056 "Adaptive size policy maximum GC pause time goal in msec, " \
2057 "or (G1 Only) the max. GC time per MMU time slice") \ 2057 "or (G1 Only) the max. GC time per MMU time slice") \
2058 \ 2058 \
2059 product(uintx, GCPauseIntervalMillis, 0, \ 2059 product(uintx, GCPauseIntervalMillis, 0, \
2060 "Time slice for MMU specification") \ 2060 "Time slice for MMU specification") \
2264 "Trace actions of the GC task manager") \ 2264 "Trace actions of the GC task manager") \
2265 \ 2265 \
2266 develop(bool, TraceGCTaskQueue, false, \ 2266 develop(bool, TraceGCTaskQueue, false, \
2267 "Trace actions of the GC task queues") \ 2267 "Trace actions of the GC task queues") \
2268 \ 2268 \
2269 diagnostic(bool, TraceGCTaskThread, false, \ 2269 diagnostic(bool, TraceGCTaskThread, false, \
2270 "Trace actions of the GC task threads") \ 2270 "Trace actions of the GC task threads") \
2271 \ 2271 \
2272 product(bool, PrintParallelOldGCPhaseTimes, false, \ 2272 product(bool, PrintParallelOldGCPhaseTimes, false, \
2273 "Print the time taken by each parallel old gc phase." \ 2273 "Print the time taken by each parallel old gc phase." \
2274 "PrintGCDetails must also be enabled.") \ 2274 "PrintGCDetails must also be enabled.") \
2779 "(0 means none)")) \ 2779 "(0 means none)")) \
2780 \ 2780 \
2781 product(intx, SafepointTimeoutDelay, 10000, \ 2781 product(intx, SafepointTimeoutDelay, 10000, \
2782 "Delay in milliseconds for option SafepointTimeout") \ 2782 "Delay in milliseconds for option SafepointTimeout") \
2783 \ 2783 \
2784 product(intx, NmethodSweepFraction, 16, \ 2784 product(intx, NmethodSweepFraction, 16, \
2785 "Number of invocations of sweeper to cover all nmethods") \ 2785 "Number of invocations of sweeper to cover all nmethods") \
2786 \ 2786 \
2787 product(intx, NmethodSweepCheckInterval, 5, \ 2787 product(intx, NmethodSweepCheckInterval, 5, \
2788 "Compilers wake up every n seconds to possibly sweep nmethods") \ 2788 "Compilers wake up every n seconds to possibly sweep nmethods") \
2789 \ 2789 \
2902 \ 2902 \
2903 diagnostic(intx, MallocVerifyStart, 0, \ 2903 diagnostic(intx, MallocVerifyStart, 0, \
2904 "if non-zero, start verifying C heap after Nth call to " \ 2904 "if non-zero, start verifying C heap after Nth call to " \
2905 "malloc/realloc/free") \ 2905 "malloc/realloc/free") \
2906 \ 2906 \
2907 product(intx, TypeProfileWidth, 2, \ 2907 product(intx, TypeProfileWidth, 2, \
2908 "number of receiver types to record in call/cast profile") \ 2908 "number of receiver types to record in call/cast profile") \
2909 \ 2909 \
2910 develop(intx, BciProfileWidth, 2, \ 2910 develop(intx, BciProfileWidth, 2, \
2911 "number of return bci's to record in ret profile") \ 2911 "number of return bci's to record in ret profile") \
2912 \ 2912 \
3010 "Number of milliseconds per MB of free space in the heap") \ 3010 "Number of milliseconds per MB of free space in the heap") \
3011 \ 3011 \
3012 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ 3012 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \
3013 "Min change in heap space due to GC (in bytes)") \ 3013 "Min change in heap space due to GC (in bytes)") \
3014 \ 3014 \
3015 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \ 3015 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \
3016 "Min expansion of permanent heap (in bytes)") \ 3016 "Min expansion of permanent heap (in bytes)") \
3017 \ 3017 \
3018 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \ 3018 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \
3019 "Max expansion of permanent heap without full GC (in bytes)") \ 3019 "Max expansion of permanent heap without full GC (in bytes)") \
3020 \ 3020 \
3021 product(intx, QueuedAllocationWarningCount, 0, \ 3021 product(intx, QueuedAllocationWarningCount, 0, \
3022 "Number of times an allocation that queues behind a GC " \ 3022 "Number of times an allocation that queues behind a GC " \
3023 "will retry before printing a warning") \ 3023 "will retry before printing a warning") \
3026 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ 3026 "GC invoke count where +VerifyBefore/AfterGC kicks in") \
3027 \ 3027 \
3028 diagnostic(intx, VerifyGCLevel, 0, \ 3028 diagnostic(intx, VerifyGCLevel, 0, \
3029 "Generation level at which to start +VerifyBefore/AfterGC") \ 3029 "Generation level at which to start +VerifyBefore/AfterGC") \
3030 \ 3030 \
3031 product(intx, MaxTenuringThreshold, 15, \ 3031 product(uintx, MaxTenuringThreshold, 15, \
3032 "Maximum value for tenuring threshold") \ 3032 "Maximum value for tenuring threshold") \
3033 \ 3033 \
3034 product(intx, InitialTenuringThreshold, 7, \ 3034 product(uintx, InitialTenuringThreshold, 7, \
3035 "Initial value for tenuring threshold") \ 3035 "Initial value for tenuring threshold") \
3036 \ 3036 \
3037 product(intx, TargetSurvivorRatio, 50, \ 3037 product(intx, TargetSurvivorRatio, 50, \
3038 "Desired percentage of survivor space used after scavenge") \ 3038 "Desired percentage of survivor space used after scavenge") \
3039 \ 3039 \