Mercurial > hg > graal-jvmci-8

comparison src/share/vm/runtime/globals.hpp @ 1843:0715f0cf171d

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Merge
author jcoomes
date Fri, 08 Oct 2010 09:29:09 -0700
parents 18c378513575 c99c53f07c14
children 75b0735b4d04 cd3ef3fd20dd
comparison
equal deleted inserted replaced
1832:22e4420d19f7 1843:0715f0cf171d
270 // be able to build a fully supported product that nonetheless also 270 // be able to build a fully supported product that nonetheless also
271 // ships with some unsupported, lightly tested, experimental features. 271 // ships with some unsupported, lightly tested, experimental features.
272 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding 272 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding
273 // UnlockExperimentalVMOptions flag, which allows the control and 273 // UnlockExperimentalVMOptions flag, which allows the control and
274 // modification of the experimental flags. 274 // modification of the experimental flags.
275 //
276 // Nota bene: neither diagnostic nor experimental options should be used casually,
277 // and they are not supported on production loads, except under explicit
278 // direction from support engineers.
275 // 279 //
276 // manageable flags are writeable external product flags. 280 // manageable flags are writeable external product flags.
277 // They are dynamically writeable through the JDK management interface 281 // They are dynamically writeable through the JDK management interface
278 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. 282 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole.
279 // These flags are external exported interface (see CCC). The list of 283 // These flags are external exported interface (see CCC). The list of
632 "Zap freed VM handle space with 0xBCBCBCBC") \ 636 "Zap freed VM handle space with 0xBCBCBCBC") \
633 \ 637 \
634 develop(bool, ZapJNIHandleArea, trueInDebug, \ 638 develop(bool, ZapJNIHandleArea, trueInDebug, \
635 "Zap freed JNI handle space with 0xFEFEFEFE") \ 639 "Zap freed JNI handle space with 0xFEFEFEFE") \
636 \ 640 \
641 notproduct(bool, ZapStackSegments, trueInDebug, \
642 "Zap allocated/freed Stack segments with 0xFADFADED") \
643 \
637 develop(bool, ZapUnusedHeapArea, trueInDebug, \ 644 develop(bool, ZapUnusedHeapArea, trueInDebug, \
638 "Zap unused heap space with 0xBAADBABE") \ 645 "Zap unused heap space with 0xBAADBABE") \
639 \ 646 \
640 develop(bool, TraceZapUnusedHeapArea, false, \ 647 develop(bool, TraceZapUnusedHeapArea, false, \
641 "Trace zapping of unused heap space") \ 648 "Trace zapping of unused heap space") \
1797 "(other young collectors) ") \ 1804 "(other young collectors) ") \
1798 \ 1805 \
1799 develop(uintx, PromotionFailureALotInterval, 5, \ 1806 develop(uintx, PromotionFailureALotInterval, 5, \
1800 "Total collections between promotion failures alot") \ 1807 "Total collections between promotion failures alot") \
1801 \ 1808 \
1802 develop(intx, WorkStealingSleepMillis, 1, \ 1809 experimental(intx, WorkStealingSleepMillis, 1, \
1803 "Sleep time when sleep is used for yields") \ 1810 "Sleep time when sleep is used for yields") \
1804 \ 1811 \
1805 develop(uintx, WorkStealingYieldsBeforeSleep, 1000, \ 1812 experimental(uintx, WorkStealingYieldsBeforeSleep, 1000, \
1806 "Number of yields before a sleep is done during workstealing") \ 1813 "Number of yields before a sleep is done during workstealing") \
1807 \ 1814 \
1808 develop(uintx, WorkStealingHardSpins, 4096, \ 1815 experimental(uintx, WorkStealingHardSpins, 4096, \
1809 "Number of iterations in a spin loop between checks on " \ 1816 "Number of iterations in a spin loop between checks on " \
1810 "time out of hard spin") \ 1817 "time out of hard spin") \
1811 \ 1818 \
1812 develop(uintx, WorkStealingSpinToYieldRatio, 10, \ 1819 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \
1813 "Ratio of hard spins to calls to yield") \ 1820 "Ratio of hard spins to calls to yield") \
1814 \ 1821 \
1815 product(uintx, PreserveMarkStackSize, 1024, \ 1822 product(uintx, PreserveMarkStackSize, 1024, \
1816 "Size for stack used in promotion failure handling") \ 1823 "Size for stack used in promotion failure handling") \
1817 \ 1824 \