Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/globals.hpp
src/share/vm/runtime/globals.hpp
- changeset 2192
- c99c53f07c14
- parent 2191
- 894b1d7c7e01
- child 2198
- 0715f0cf171d
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| 2191:894b1d7c7e01 | 2192:c99c53f07c14 |
|---|---|
| 277 // be able to build a fully supported product that nonetheless also | 277 // be able to build a fully supported product that nonetheless also |
| 278 // ships with some unsupported, lightly tested, experimental features. | 278 // ships with some unsupported, lightly tested, experimental features. |
| 279 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding | 279 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
| 280 // UnlockExperimentalVMOptions flag, which allows the control and | 280 // UnlockExperimentalVMOptions flag, which allows the control and |
| 281 // modification of the experimental flags. | 281 // modification of the experimental flags. |
| 282 // | |
| 283 // Nota bene: neither diagnostic nor experimental options should be used casually, | |
| 284 // and they are not supported on production loads, except under explicit | |
| 285 // direction from support engineers. | |
| 282 // | 286 // |
| 283 // manageable flags are writeable external product flags. | 287 // manageable flags are writeable external product flags. |
| 284 // They are dynamically writeable through the JDK management interface | 288 // They are dynamically writeable through the JDK management interface |
| 285 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | 289 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. |
| 286 // These flags are external exported interface (see CCC). The list of | 290 // These flags are external exported interface (see CCC). The list of |
| 1807 "(other young collectors) ") \ | 1811 "(other young collectors) ") \ |
| 1808 \ | 1812 \ |
| 1809 develop(uintx, PromotionFailureALotInterval, 5, \ | 1813 develop(uintx, PromotionFailureALotInterval, 5, \ |
| 1810 "Total collections between promotion failures alot") \ | 1814 "Total collections between promotion failures alot") \ |
| 1811 \ | 1815 \ |
| 1812 develop(intx, WorkStealingSleepMillis, 1, \ | 1816 experimental(intx, WorkStealingSleepMillis, 1, \ |
| 1813 "Sleep time when sleep is used for yields") \ | 1817 "Sleep time when sleep is used for yields") \ |
| 1814 \ | 1818 \ |
| 1815 develop(uintx, WorkStealingYieldsBeforeSleep, 1000, \ | 1819 experimental(uintx, WorkStealingYieldsBeforeSleep, 1000, \ |
| 1816 "Number of yields before a sleep is done during workstealing") \ | 1820 "Number of yields before a sleep is done during workstealing") \ |
| 1817 \ | 1821 \ |
| 1818 develop(uintx, WorkStealingHardSpins, 4096, \ | 1822 experimental(uintx, WorkStealingHardSpins, 4096, \ |
| 1819 "Number of iterations in a spin loop between checks on " \ | 1823 "Number of iterations in a spin loop between checks on " \ |
| 1820 "time out of hard spin") \ | 1824 "time out of hard spin") \ |
| 1821 \ | 1825 \ |
| 1822 develop(uintx, WorkStealingSpinToYieldRatio, 10, \ | 1826 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
| 1823 "Ratio of hard spins to calls to yield") \ | 1827 "Ratio of hard spins to calls to yield") \ |
| 1824 \ | 1828 \ |
| 1825 product(uintx, PreserveMarkStackSize, 1024, \ | 1829 product(uintx, PreserveMarkStackSize, 1024, \ |
| 1826 "Size for stack used in promotion failure handling") \ | 1830 "Size for stack used in promotion failure handling") \ |
| 1827 \ | 1831 \ |
