Mercurial > hg > graal-compiler
diff src/share/vm/runtime/globals.hpp @ 1930:2d26b0046e0d
Merge.
| author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
|---|---|
| date | Tue, 30 Nov 2010 14:53:30 +0100 |
| parents | 2c754f3a2722 f5c8d6e5bfee |
| children | 8d88c9ac9247 |
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--- a/src/share/vm/runtime/globals.hpp Mon Nov 29 18:32:30 2010 +0100 +++ b/src/share/vm/runtime/globals.hpp Tue Nov 30 14:53:30 2010 +0100 @@ -1,5 +1,5 @@ /* - * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -16,13 +16,13 @@ * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. * */ -#if !defined(COMPILER1) && !defined(COMPILER2) +#if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) define_pd_global(bool, BackgroundCompilation, false); define_pd_global(bool, UseTLAB, false); define_pd_global(bool, CICompileOSR, false); @@ -35,14 +35,7 @@ define_pd_global(bool, TieredCompilation, false); define_pd_global(intx, CompileThreshold, 0); -define_pd_global(intx, Tier2CompileThreshold, 0); -define_pd_global(intx, Tier3CompileThreshold, 0); -define_pd_global(intx, Tier4CompileThreshold, 0); - define_pd_global(intx, BackEdgeThreshold, 0); -define_pd_global(intx, Tier2BackEdgeThreshold, 0); -define_pd_global(intx, Tier3BackEdgeThreshold, 0); -define_pd_global(intx, Tier4BackEdgeThreshold, 0); define_pd_global(intx, OnStackReplacePercentage, 0); define_pd_global(bool, ResizeTLAB, false); @@ -90,6 +83,9 @@ const char *type; const char *name; void* addr; + + NOT_PRODUCT(const char *doc;) + const char *kind; FlagValueOrigin origin; @@ -131,7 +127,7 @@ bool is_writeable() const; bool is_external() const; - void print_on(outputStream* st); + void print_on(outputStream* st, bool withComments = false ); void print_as_flag(outputStream* st); }; @@ -211,7 +207,7 @@ static bool wasSetOnCmdline(const char* name, bool* value); static void printSetFlags(); - static void printFlags(); + static void printFlags(bool withComments = false ); static void verify() PRODUCT_RETURN; }; @@ -277,6 +273,10 @@ // UnlockExperimentalVMOptions flag, which allows the control and // modification of the experimental flags. // +// Nota bene: neither diagnostic nor experimental options should be used casually, +// and they are not supported on production loads, except under explicit +// direction from support engineers. +// // manageable flags are writeable external product flags. // They are dynamically writeable through the JDK management interface // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. @@ -321,12 +321,19 @@ diagnostic(bool, PrintCompressedOopsMode, false, \ "Print compressed oops base address and encoding mode") \ \ + lp64_product(intx, ObjectAlignmentInBytes, 8, \ + "Default object alignment in bytes, 8 is minimum") \ + \ /* UseMembar is theoretically a temp flag used for memory barrier \ * removal testing. It was supposed to be removed before FCS but has \ * been re-added (see 6401008) */ \ - product(bool, UseMembar, false, \ + product_pd(bool, UseMembar, \ "(Unstable) Issues membars on thread state transitions") \ \ + /* Temporary: See 6948537 */ \ + experimental(bool, UseMemSetInBOT, true, \ + "(Unstable) uses memset in BOT updates in GC code") \ + \ diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ "Enable normal processing of flags relating to field diagnostics")\ \ @@ -600,7 +607,7 @@ notproduct(bool, PrintMallocFree, false, \ "Trace calls to C heap malloc/free allocation") \ \ - notproduct(bool, PrintOopAddress, false, \ + product(bool, PrintOopAddress, false, \ "Always print the location of the oop") \ \ notproduct(bool, VerifyCodeCacheOften, false, \ @@ -631,6 +638,9 @@ develop(bool, ZapJNIHandleArea, trueInDebug, \ "Zap freed JNI handle space with 0xFEFEFEFE") \ \ + notproduct(bool, ZapStackSegments, trueInDebug, \ + "Zap allocated/freed Stack segments with 0xFADFADED") \ + \ develop(bool, ZapUnusedHeapArea, trueInDebug, \ "Zap unused heap space with 0xBAADBABE") \ \ @@ -652,6 +662,11 @@ product(bool, PrintGCApplicationStoppedTime, false, \ "Print the time the application has been stopped") \ \ + notproduct(uintx, ErrorHandlerTest, 0, \ + "If > 0, provokes an error after VM initialization; the value" \ + "determines which error to provoke. See test_error_handler()" \ + "in debug.cpp.") \ + \ develop(bool, Verbose, false, \ "Prints additional debugging information from other modes") \ \ @@ -807,6 +822,9 @@ develop(bool, PrintJVMWarnings, false, \ "Prints warnings for unimplemented JVM functions") \ \ + product(bool, PrintWarnings, true, \ + "Prints JVM warnings to output stream") \ + \ notproduct(uintx, WarnOnStalledSpinLock, 0, \ "Prints warnings for stalled SpinLocks") \ \ @@ -911,6 +929,10 @@ \ product(intx, AlwaysInflate, 0, "(Unstable) Force inflation") \ \ + product(intx, MonitorBound, 0, "Bound Monitor population") \ + \ + product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ + \ product(intx, Atomics, 0, \ "(Unsafe,Unstable) Diagnostic - Controls emission of atomics") \ \ @@ -1108,6 +1130,9 @@ product(intx, TraceRedefineClasses, 0, \ "Trace level for JVMTI RedefineClasses") \ \ + develop(bool, StressMethodComparator, false, \ + "run the MethodComparator on all loaded methods") \ + \ /* change to false by default sometime after Mustang */ \ product(bool, VerifyMergedCPBytecodes, true, \ "Verify bytecodes after RedefineClasses constant pool merging") \ @@ -1294,6 +1319,10 @@ "also unloads classes during such a concurrent gc cycle " \ "(effective only when UseConcMarkSweepGC)") \ \ + product(bool, GCLockerInvokesConcurrent, false, \ + "The exit of a JNI CS necessitating a scavenge also" \ + " kicks off a bkgrd concurrent collection") \ + \ develop(bool, UseCMSAdaptiveFreeLists, true, \ "Use Adaptive Free Lists in the CMS generation") \ \ @@ -1518,13 +1547,13 @@ "Use BinaryTreeDictionary as default in the CMS generation") \ \ product(uintx, CMSIndexedFreeListReplenish, 4, \ - "Replenish and indexed free list with this number of chunks") \ + "Replenish an indexed free list with this number of chunks") \ \ product(bool, CMSReplenishIntermediate, true, \ "Replenish all intermediate free-list caches") \ \ product(bool, CMSSplitIndexedFreeListBlocks, true, \ - "When satisfying batched demand, splot blocks from the " \ + "When satisfying batched demand, split blocks from the " \ "IndexedFreeList whose size is a multiple of requested size") \ \ product(bool, CMSLoopWarn, false, \ @@ -1559,7 +1588,7 @@ "(Temporary, subject to experimentation)" \ "Nominal minimum work per abortable preclean iteration") \ \ - product(intx, CMSAbortablePrecleanWaitMillis, 100, \ + manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ "(Temporary, subject to experimentation)" \ " Time that we sleep between iterations when not given" \ " enough work per iteration") \ @@ -1651,7 +1680,7 @@ product(uintx, CMSWorkQueueDrainThreshold, 10, \ "Don't drain below this size per parallel worker/thief") \ \ - product(intx, CMSWaitDuration, 2000, \ + manageable(intx, CMSWaitDuration, 2000, \ "Time in milliseconds that CMS thread waits for young GC") \ \ product(bool, CMSYield, true, \ @@ -1689,7 +1718,7 @@ develop(bool, VerifyBlockOffsetArray, false, \ "Do (expensive!) block offset array verification") \ \ - product(bool, BlockOffsetArrayUseUnallocatedBlock, trueInDebug, \ + product(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ "Maintain _unallocated_block in BlockOffsetArray" \ " (currently applicable only to CMS collector)") \ \ @@ -1760,10 +1789,6 @@ notproduct(bool, GCALotAtAllSafepoints, false, \ "Enforce ScavengeALot/GCALot at all potential safepoints") \ \ - product(bool, HandlePromotionFailure, true, \ - "The youngest generation collection does not require " \ - "a guarantee of full promotion of all live objects.") \ - \ product(bool, PrintPromotionFailure, false, \ "Print additional diagnostic information following " \ " promotion failure") \ @@ -1780,17 +1805,17 @@ develop(uintx, PromotionFailureALotInterval, 5, \ "Total collections between promotion failures alot") \ \ - develop(intx, WorkStealingSleepMillis, 1, \ + experimental(intx, WorkStealingSleepMillis, 1, \ "Sleep time when sleep is used for yields") \ \ - develop(uintx, WorkStealingYieldsBeforeSleep, 1000, \ + experimental(uintx, WorkStealingYieldsBeforeSleep, 1000, \ "Number of yields before a sleep is done during workstealing") \ \ - develop(uintx, WorkStealingHardSpins, 4096, \ + experimental(uintx, WorkStealingHardSpins, 4096, \ "Number of iterations in a spin loop between checks on " \ "time out of hard spin") \ \ - develop(uintx, WorkStealingSpinToYieldRatio, 10, \ + experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ "Ratio of hard spins to calls to yield") \ \ product(uintx, PreserveMarkStackSize, 1024, \ @@ -1948,11 +1973,11 @@ product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ "Decay factor to TenuredGenerationSizeIncrement") \ \ - product(uintx, MaxGCPauseMillis, max_uintx, \ + product(uintx, MaxGCPauseMillis, max_uintx, \ "Adaptive size policy maximum GC pause time goal in msec, " \ "or (G1 Only) the max. GC time per MMU time slice") \ \ - product(intx, GCPauseIntervalMillis, 500, \ + product(uintx, GCPauseIntervalMillis, 0, \ "Time slice for MMU specification") \ \ product(uintx, MaxGCMinorPauseMillis, max_uintx, \ @@ -2343,9 +2368,6 @@ develop(bool, EagerInitialization, false, \ "Eagerly initialize classes if possible") \ \ - product(bool, Tier1UpdateMethodData, trueInTiered, \ - "Update methodDataOops in Tier1-generated code") \ - \ develop(bool, TraceMethodReplacement, false, \ "Print when methods are replaced do to recompilation") \ \ @@ -2383,6 +2405,9 @@ product(bool, PrintFlagsFinal, false, \ "Print all VM flags after argument and ergonomic processing") \ \ + notproduct(bool, PrintFlagsWithComments, false, \ + "Print all VM flags with default values and descriptions and exit")\ + \ diagnostic(bool, SerializeVMOutput, true, \ "Use a mutex to serialize output to tty and hotspot.log") \ \ @@ -2419,6 +2444,10 @@ "Call fatal if this exception is thrown. Example: " \ "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ \ + notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ + "Call fatal if the exception pointed by AbortVMOnException " \ + "has this message.") \ + \ develop(bool, DebugVtables, false, \ "add debugging code to vtable dispatch") \ \ @@ -2449,6 +2478,9 @@ develop(bool, MonomorphicArrayCheck, true, \ "Uncommon-trap array store checks that require full type check") \ \ + diagnostic(bool, ProfileDynamicTypes, true, \ + "do extra type profiling and use it more aggressively") \ + \ develop(bool, DelayCompilationDuringStartup, true, \ "Delay invoking the compiler until main application class is " \ "loaded") \ @@ -2518,9 +2550,6 @@ "Enable String cache capabilities on String.java") \ \ /* statistics */ \ - develop(bool, UseVTune, false, \ - "enable support for Intel's VTune profiler") \ - \ develop(bool, CountCompiledCalls, false, \ "counts method invocations") \ \ @@ -2751,6 +2780,9 @@ product(intx, NmethodSweepFraction, 4, \ "Number of invocations of sweeper to cover all nmethods") \ \ + product(intx, NmethodSweepCheckInterval, 5, \ + "Compilers wake up every n seconds to possibly sweep nmethods") \ + \ notproduct(intx, MemProfilingInterval, 500, \ "Time between each invocation of the MemProfiler") \ \ @@ -2868,7 +2900,7 @@ "if non-zero, start verifying C heap after Nth call to " \ "malloc/realloc/free") \ \ - product(intx, TypeProfileWidth, 2, \ + product(intx, TypeProfileWidth, 2, \ "number of receiver types to record in call/cast profile") \ \ develop(intx, BciProfileWidth, 2, \ @@ -2970,9 +3002,6 @@ product(intx, NewRatio, 2, \ "Ratio of new/old generation sizes") \ \ - product(uintx, MaxLiveObjectEvacuationRatio, 100, \ - "Max percent of eden objects that will be live at scavenge") \ - \ product_pd(uintx, NewSizeThreadIncrease, \ "Additional size added to desired new generation size per " \ "non-daemon thread (in bytes)") \ @@ -3065,10 +3094,6 @@ \ product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ \ - product(bool, UseDepthFirstScavengeOrder, true, \ - "true: the scavenge order will be depth-first, " \ - "false: the scavenge order will be breadth-first") \ - \ product(bool, PSChunkLargeArrays, true, \ "true: process large arrays in chunks") \ \ @@ -3280,30 +3305,98 @@ product_pd(intx, BackEdgeThreshold, \ "Interpreter Back edge threshold at which an OSR compilation is invoked")\ \ - product(intx, Tier1BytecodeLimit, 10, \ - "Must have at least this many bytecodes before tier1" \ - "invocation counters are used") \ - \ - product_pd(intx, Tier2CompileThreshold, \ - "threshold at which a tier 2 compilation is invoked") \ - \ - product_pd(intx, Tier2BackEdgeThreshold, \ - "Back edge threshold at which a tier 2 compilation is invoked") \ - \ - product_pd(intx, Tier3CompileThreshold, \ - "threshold at which a tier 3 compilation is invoked") \ - \ - product_pd(intx, Tier3BackEdgeThreshold, \ - "Back edge threshold at which a tier 3 compilation is invoked") \ - \ - product_pd(intx, Tier4CompileThreshold, \ - "threshold at which a tier 4 compilation is invoked") \ - \ - product_pd(intx, Tier4BackEdgeThreshold, \ - "Back edge threshold at which a tier 4 compilation is invoked") \ + product(intx, Tier0InvokeNotifyFreqLog, 7, \ + "Interpreter (tier 0) invocation notification frequency.") \ + \ + product(intx, Tier2InvokeNotifyFreqLog, 11, \ + "C1 without MDO (tier 2) invocation notification frequency.") \ + \ + product(intx, Tier3InvokeNotifyFreqLog, 10, \ + "C1 with MDO profiling (tier 3) invocation notification " \ + "frequency.") \ + \ + product(intx, Tier0BackedgeNotifyFreqLog, 10, \ + "Interpreter (tier 0) invocation notification frequency.") \ + \ + product(intx, Tier2BackedgeNotifyFreqLog, 14, \ + "C1 without MDO (tier 2) invocation notification frequency.") \ + \ + product(intx, Tier3BackedgeNotifyFreqLog, 13, \ + "C1 with MDO profiling (tier 3) invocation notification " \ + "frequency.") \ + \ + product(intx, Tier2CompileThreshold, 0, \ + "threshold at which tier 2 compilation is invoked") \ + \ + product(intx, Tier2BackEdgeThreshold, 0, \ + "Back edge threshold at which tier 2 compilation is invoked") \ + \ + product(intx, Tier3InvocationThreshold, 200, \ + "Compile if number of method invocations crosses this " \ + "threshold") \ + \ + product(intx, Tier3MinInvocationThreshold, 100, \ + "Minimum invocation to compile at tier 3") \ + \ + product(intx, Tier3CompileThreshold, 2000, \ + "Threshold at which tier 3 compilation is invoked (invocation " \ + "minimum must be satisfied.") \ + \ + product(intx, Tier3BackEdgeThreshold, 7000, \ + "Back edge threshold at which tier 3 OSR compilation is invoked") \ + \ + product(intx, Tier4InvocationThreshold, 5000, \ + "Compile if number of method invocations crosses this " \ + "threshold") \ + \ + product(intx, Tier4MinInvocationThreshold, 600, \ + "Minimum invocation to compile at tier 4") \ + \ + product(intx, Tier4CompileThreshold, 15000, \ + "Threshold at which tier 4 compilation is invoked (invocation " \ + "minimum must be satisfied.") \ + \ + product(intx, Tier4BackEdgeThreshold, 40000, \ + "Back edge threshold at which tier 4 OSR compilation is invoked") \ + \ + product(intx, Tier3DelayOn, 5, \ + "If C2 queue size grows over this amount per compiler thread " \ + "stop compiling at tier 3 and start compiling at tier 2") \ + \ + product(intx, Tier3DelayOff, 2, \ + "If C2 queue size is less than this amount per compiler thread " \ + "allow methods compiled at tier 2 transition to tier 3") \ + \ + product(intx, Tier3LoadFeedback, 5, \ + "Tier 3 thresholds will increase twofold when C1 queue size " \ + "reaches this amount per compiler thread") \ + \ + product(intx, Tier4LoadFeedback, 3, \ + "Tier 4 thresholds will increase twofold when C2 queue size " \ + "reaches this amount per compiler thread") \ + \ + product(intx, TieredCompileTaskTimeout, 50, \ + "Kill compile task if method was not used within " \ + "given timeout in milliseconds") \ + \ + product(intx, TieredStopAtLevel, 4, \ + "Stop at given compilation level") \ + \ + product(intx, Tier0ProfilingStartPercentage, 200, \ + "Start profiling in interpreter if the counters exceed tier 3" \ + "thresholds by the specified percentage") \ + \ + product(intx, TieredRateUpdateMinTime, 1, \ + "Minimum rate sampling interval (in milliseconds)") \ + \ + product(intx, TieredRateUpdateMaxTime, 25, \ + "Maximum rate sampling interval (in milliseconds)") \ \ product_pd(bool, TieredCompilation, \ - "Enable two-tier compilation") \ + "Enable tiered compilation") \ + \ + product(bool, PrintTieredEvents, false, \ + "Print tiered events notifications") \ \ product(bool, StressTieredRuntime, false, \ "Alternate client and server compiler on compile requests") \ @@ -3445,7 +3538,7 @@ product(uintx, SharedDummyBlockSize, 512*M, \ "Size of dummy block used to shift heap addresses (in bytes)") \ \ - product(uintx, SharedReadWriteSize, 12*M, \ + product(uintx, SharedReadWriteSize, NOT_LP64(12*M) LP64_ONLY(13*M), \ "Size of read-write space in permanent generation (in bytes)") \ \ product(uintx, SharedReadOnlySize, 10*M, \ @@ -3494,12 +3587,12 @@ experimental(bool, EnableInvokeDynamic, false, \ "recognize the invokedynamic instruction") \ \ + experimental(bool, AllowTransitionalJSR292, true, \ + "recognize pre-PFD formats of invokedynamic") \ + \ develop(bool, TraceInvokeDynamic, false, \ "trace internal invoke dynamic operations") \ \ - product(bool, TaggedStackInterpreter, false, \ - "Insert tags in interpreter execution stack for oopmap generaion")\ - \ diagnostic(bool, PauseAtStartup, false, \ "Causes the VM to pause at startup time and wait for the pause " \ "file to be removed (default: ./vm.paused.<pid>)") \ @@ -3531,7 +3624,6 @@ "EINTR for I/O operations results in OS_INTRPT. The default value"\ " of this flag is true for JDK 6 and earliers") - /* * Macros for factoring of globals */