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comparison src/share/vm/runtime/globals.hpp @ 2491:0654ee04b214

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Merge with OpenJDK.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 22 Apr 2011 15:30:53 +0200
parents 2ab52cda08e5 6c97c830fb6f
children 4e5515d09314
comparison
equal deleted inserted replaced
2490:29246b1d2d3c 2491:0654ee04b214
1222 \ 1222 \
1223 product(intx, BiasedLockingDecayTime, 25000, \ 1223 product(intx, BiasedLockingDecayTime, 25000, \
1224 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ 1224 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \
1225 "type after previous bulk rebias") \ 1225 "type after previous bulk rebias") \
1226 \ 1226 \
1227 develop(bool, JavaObjectsInPerm, false, \
1228 "controls whether Classes and interned Strings are allocated" \
1229 "in perm. This purely intended to allow debugging issues" \
1230 "in production.") \
1231 \
1227 /* tracing */ \ 1232 /* tracing */ \
1228 \ 1233 \
1229 notproduct(bool, TraceRuntimeCalls, false, \ 1234 notproduct(bool, TraceRuntimeCalls, false, \
1230 "Trace run-time calls") \ 1235 "Trace run-time calls") \
1231 \ 1236 \
1541 " PLAB resizing during a scavenge") \ 1546 " PLAB resizing during a scavenge") \
1542 \ 1547 \
1543 product(bool, AlwaysPreTouch, false, \ 1548 product(bool, AlwaysPreTouch, false, \
1544 "It forces all freshly committed pages to be pre-touched.") \ 1549 "It forces all freshly committed pages to be pre-touched.") \
1545 \ 1550 \
1546 product(bool, CMSUseOldDefaults, false, \ 1551 product_pd(intx, CMSYoungGenPerWorker, \
1547 "A flag temporarily introduced to allow reverting to some " \ 1552 "The maximum size of young gen chosen by default per GC worker " \
1548 "older default settings; older as of 6.0") \
1549 \
1550 product(intx, CMSYoungGenPerWorker, 16*M, \
1551 "The amount of young gen chosen by default per GC worker " \
1552 "thread available") \ 1553 "thread available") \
1553 \ 1554 \
1554 product(bool, GCOverheadReporting, false, \ 1555 product(bool, GCOverheadReporting, false, \
1555 "Enables the GC overhead reporting facility") \ 1556 "Enables the GC overhead reporting facility") \
1556 \ 1557 \
1924 "Total collections between promotion failures alot") \ 1925 "Total collections between promotion failures alot") \
1925 \ 1926 \
1926 experimental(intx, WorkStealingSleepMillis, 1, \ 1927 experimental(intx, WorkStealingSleepMillis, 1, \
1927 "Sleep time when sleep is used for yields") \ 1928 "Sleep time when sleep is used for yields") \
1928 \ 1929 \
1929 experimental(uintx, WorkStealingYieldsBeforeSleep, 1000, \ 1930 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \
1930 "Number of yields before a sleep is done during workstealing") \ 1931 "Number of yields before a sleep is done during workstealing") \
1931 \ 1932 \
1932 experimental(uintx, WorkStealingHardSpins, 4096, \ 1933 experimental(uintx, WorkStealingHardSpins, 4096, \
1933 "Number of iterations in a spin loop between checks on " \ 1934 "Number of iterations in a spin loop between checks on " \
1934 "time out of hard spin") \ 1935 "time out of hard spin") \
2376 develop(bool, CITraceTypeFlow, false, \ 2377 develop(bool, CITraceTypeFlow, false, \
2377 "detailed per-bytecode tracing of ciTypeFlow analysis") \ 2378 "detailed per-bytecode tracing of ciTypeFlow analysis") \
2378 \ 2379 \
2379 develop(intx, CICloneLoopTestLimit, 100, \ 2380 develop(intx, CICloneLoopTestLimit, 100, \
2380 "size limit for blocks heuristically cloned in ciTypeFlow") \ 2381 "size limit for blocks heuristically cloned in ciTypeFlow") \
2382 \
2383 develop(intx, OSROnlyBCI, -1, \
2384 "OSR only at this bci. Negative values mean exclude that bci") \
2381 \ 2385 \
2382 /* temp diagnostics */ \ 2386 /* temp diagnostics */ \
2383 \ 2387 \
2384 diagnostic(bool, TraceRedundantCompiles, false, \ 2388 diagnostic(bool, TraceRedundantCompiles, false, \
2385 "Have compile broker print when a request already in the queue is"\ 2389 "Have compile broker print when a request already in the queue is"\
2610 "Compile all methods in all classes in bootstrap class path " \ 2614 "Compile all methods in all classes in bootstrap class path " \
2611 "(stress test)") \ 2615 "(stress test)") \
2612 \ 2616 \
2613 develop(bool, CompileTheWorldPreloadClasses, true, \ 2617 develop(bool, CompileTheWorldPreloadClasses, true, \
2614 "Preload all classes used by a class before start loading") \ 2618 "Preload all classes used by a class before start loading") \
2615 \
2616 notproduct(bool, CompileTheWorldIgnoreInitErrors, false, \
2617 "Compile all methods although class initializer failed") \
2618 \ 2619 \
2619 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ 2620 notproduct(intx, CompileTheWorldSafepointInterval, 100, \
2620 "Force a safepoint every n compiles so sweeper can keep up") \ 2621 "Force a safepoint every n compiles so sweeper can keep up") \
2621 \ 2622 \
2622 develop(bool, TraceIterativeGVN, false, \ 2623 develop(bool, TraceIterativeGVN, false, \
3657 "Use shared spaces in the permanent generation") \ 3658 "Use shared spaces in the permanent generation") \
3658 \ 3659 \
3659 product(bool, RequireSharedSpaces, false, \ 3660 product(bool, RequireSharedSpaces, false, \
3660 "Require shared spaces in the permanent generation") \ 3661 "Require shared spaces in the permanent generation") \
3661 \ 3662 \
3662 product(bool, ForceSharedSpaces, false, \
3663 "Require shared spaces in the permanent generation") \
3664 \
3665 product(bool, DumpSharedSpaces, false, \ 3663 product(bool, DumpSharedSpaces, false, \
3666 "Special mode: JVM reads a class list, loads classes, builds " \ 3664 "Special mode: JVM reads a class list, loads classes, builds " \
3667 "shared spaces, and dumps the shared spaces to a file to be " \ 3665 "shared spaces, and dumps the shared spaces to a file to be " \
3668 "used in future JVM runs.") \ 3666 "used in future JVM runs.") \
3669 \ 3667 \
3696 \ 3694 \
3697 diagnostic(bool, SharedSkipVerify, false, \ 3695 diagnostic(bool, SharedSkipVerify, false, \
3698 "Skip assert() and verify() which page-in unwanted shared " \ 3696 "Skip assert() and verify() which page-in unwanted shared " \
3699 "objects. ") \ 3697 "objects. ") \
3700 \ 3698 \
3699 diagnostic(bool, EnableInvokeDynamic, true, \
3700 "support JSR 292 (method handles, invokedynamic, " \
3701 "anonymous classes") \
3702 \
3701 product(bool, AnonymousClasses, false, \ 3703 product(bool, AnonymousClasses, false, \
3702 "support sun.misc.Unsafe.defineAnonymousClass") \ 3704 "support sun.misc.Unsafe.defineAnonymousClass (deprecated)") \
3703 \ 3705 \
3704 experimental(bool, EnableMethodHandles, false, \ 3706 experimental(bool, EnableMethodHandles, false, \
3705 "support method handles (true by default under JSR 292)") \ 3707 "support method handles (deprecated)") \
3706 \ 3708 \
3707 diagnostic(intx, MethodHandlePushLimit, 3, \ 3709 diagnostic(intx, MethodHandlePushLimit, 3, \
3708 "number of additional stack slots a method handle may push") \ 3710 "number of additional stack slots a method handle may push") \
3709 \ 3711 \
3710 develop(bool, TraceMethodHandles, false, \ 3712 develop(bool, TraceMethodHandles, false, \
3717 "when constructing method handles, try to improve them") \ 3719 "when constructing method handles, try to improve them") \
3718 \ 3720 \
3719 experimental(bool, TrustFinalNonStaticFields, false, \ 3721 experimental(bool, TrustFinalNonStaticFields, false, \
3720 "trust final non-static declarations for constant folding") \ 3722 "trust final non-static declarations for constant folding") \
3721 \ 3723 \
3722 experimental(bool, EnableInvokeDynamic, false, \ 3724 experimental(bool, AllowInvokeGeneric, true, \
3723 "recognize the invokedynamic instruction") \ 3725 "accept MethodHandle.invoke and MethodHandle.invokeGeneric " \
3724 \ 3726 "as equivalent methods") \
3725 experimental(bool, AllowTransitionalJSR292, true, \
3726 "recognize pre-PFD formats of invokedynamic") \
3727 \ 3727 \
3728 develop(bool, TraceInvokeDynamic, false, \ 3728 develop(bool, TraceInvokeDynamic, false, \
3729 "trace internal invoke dynamic operations") \ 3729 "trace internal invoke dynamic operations") \
3730 \ 3730 \
3731 diagnostic(bool, PauseAtStartup, false, \ 3731 diagnostic(bool, PauseAtStartup, false, \
3734 \ 3734 \
3735 diagnostic(ccstr, PauseAtStartupFile, NULL, \ 3735 diagnostic(ccstr, PauseAtStartupFile, NULL, \
3736 "The file to create and for whose removal to await when pausing " \ 3736 "The file to create and for whose removal to await when pausing " \
3737 "at startup. (default: ./vm.paused.<pid>)") \ 3737 "at startup. (default: ./vm.paused.<pid>)") \
3738 \ 3738 \
3739 diagnostic(bool, PauseAtExit, false, \
3740 "Pause and wait for keypress on exit if a debugger is attached") \
3741 \
3739 product(bool, ExtendedDTraceProbes, false, \ 3742 product(bool, ExtendedDTraceProbes, false, \
3740 "Enable performance-impacting dtrace probes") \ 3743 "Enable performance-impacting dtrace probes") \
3741 \ 3744 \
3742 product(bool, DTraceMethodProbes, false, \ 3745 product(bool, DTraceMethodProbes, false, \
3743 "Enable dtrace probes for method-entry and method-exit") \ 3746 "Enable dtrace probes for method-entry and method-exit") \
3751 product(bool, RelaxAccessControlCheck, false, \ 3754 product(bool, RelaxAccessControlCheck, false, \
3752 "Relax the access control checks in the verifier") \ 3755 "Relax the access control checks in the verifier") \
3753 \ 3756 \
3754 diagnostic(bool, PrintDTraceDOF, false, \ 3757 diagnostic(bool, PrintDTraceDOF, false, \
3755 "Print the DTrace DOF passed to the system for JSDT probes") \ 3758 "Print the DTrace DOF passed to the system for JSDT probes") \
3759 \
3760 product(uintx, StringTableSize, 1009, \
3761 "Number of buckets in the interned String table") \
3756 \ 3762 \
3757 product(bool, UseVMInterruptibleIO, false, \ 3763 product(bool, UseVMInterruptibleIO, false, \
3758 "(Unstable, Solaris-specific) Thread interrupt before or with " \ 3764 "(Unstable, Solaris-specific) Thread interrupt before or with " \
3759 "EINTR for I/O operations results in OS_INTRPT. The default value"\ 3765 "EINTR for I/O operations results in OS_INTRPT. The default value"\
3760 " of this flag is true for JDK 6 and earliers") 3766 " of this flag is true for JDK 6 and earliers")