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product(intx, TieredRateUpdateMaxTime, 25, \
"Maximum rate sampling interval (in milliseconds)") \
range(0, max_intx) \
\
+ product(double, Tier0ProfileDelayFactor, 100.0, DIAGNOSTIC, \
+ "Delay profiling/compiling of methods that were " \
+ "observed to be lukewarm") \
+ \
+ product(double, Tier2ProfileDelayFactor, 250.0, DIAGNOSTIC, \
+ "Delay profiling of methods that were observed to be lukewarm") \
+ \
+ product(bool, SkipTier2IfPossible, false, DIAGNOSTIC, \
+ "Compile at tier 4 instead of tier 2 in training replay " \
+ "mode if posssible") \
+ \
product(ccstr, CompilationMode, "default", \
"Compilation modes: " \
"default: normal tiered compilation; " \
"quick-only: C1-only mode; " \
"high-only: C2/JVMCI-only mode; " \
\
product(bool, CaptureBailoutInformation, trueInDebug, DIAGNOSTIC, \
"If compilation is stopped with an error, capture diagnostic " \
"information at the bailout point") \
\
+ /* flags to control training and deployment modes */ \
+ \
+ product(bool, RecordTraining, false, \
+ "Request output of training data for improved deployment.") \
+ \
+ product(bool, ReplayTraining, false, \
+ "Read training data, if available, for use in this execution") \
+ \
+ product(bool, PrintTrainingInfo, false, DIAGNOSTIC, \
+ "Print additional information about training") \
+ \
+ product(ccstr, TrainingFile, nullptr, \
+ "If training record or replay is enabled, store or load VM data " \
+ "to or from this file [default: ./hs_training_%p.log] " \
+ "(_%p replaced with _pidNNN on output, empty string on input)") \
+ \
+ product(bool, RecordOptCompilationOrder, false, \
+ "Record c2/jvmci nmethod temperature to guide compilation order.")\
+ \
+ product(bool, RecordOnlyTopCompilations, false, \
+ "Record only top compilations (non-zero counts)") \
+ \
+ product(int, RecordOptCompilationOrderInterval, 10, \
+ "Sampling interval for RecordOptCompilationOrder") \
+ \
+ /* Code Caching flags */ \
+ \
+ product(bool, UseC2asC3, false, \
+ "Use C2 as 3rd compiler when other high-optimizing compiler " \
+ "is used") \
+ \
+ product(bool, StoreCachedCode, false, \
+ "Store cached compiled code") \
+ \
+ product(bool, LoadCachedCode, false, \
+ "Load cached compiled code") \
+ \
+ product(uint, DisableCachedCode, 0, \
+ "Disable cached code on some compilation levels " \
+ "(T1=1; T2=2; T4=4; T5/preload=8") \
+ \
+ product(uint, ClassInitBarrierMode, 0, \
+ "Produce and use startup code which could be called " \
+ "on first method invocation, add class initialization barriers, " \
+ "other checks and constrains if needed " \
+ "(0: no barriers; 1: uncommon trap; 2: full barrier)") \
+ \
+ product(bool, StressClassInitBarriers, false, DIAGNOSTIC, \
+ "Force slow path in class initialization barriers") \
+ \
+ product(bool, UseMetadataPointers, true, \
+ "Store Metadata pointers in Relocation Info for cached code") \
+ \
+ product(bool, UseCodeLoadThread, true, \
+ "Use separate thread for cached code load") \
+ \
+ product(uint, SCLoadStart, 0, \
+ "The id of the first cached code to load") \
+ \
+ product(uint, SCLoadStop, max_jint, \
+ "The id of the last cached code to load") \
+ \
+ product(ccstr, CachedCodeFile, "code.jsa", \
+ "File with cached compiled code") \
+ \
+ product(uint, CachedCodeMaxSize, 10*M, \
+ "Buffer size in bytes for code caching") \
+ \
+ product(bool, VerifyCachedCode, false, DIAGNOSTIC, \
+ "Load compiled code but not publish") \
+ \
+ /* Recompilation flags */ \
+ \
+ product(int, RecompilationLoadAverageThreshold, 5, \
+ "Queues load avergage after while recompilations are allowed") \
+ \
+ product(int, RecompilationWorkUnitSize, 5, \
+ "Queues load avergage after while recompilations are allowed") \
+ \
+ product(bool, UseRecompilation, false, \
+ "Recompile methods for peak performance") \
+ \
+ product(bool, ForceRecompilation, false, \
+ "Testing mode for recompilation") \
+ \
+ product(double, DelayRecompilation, 0.0, \
+ "Delay recompilation for given number of seconds") \
+ \
+ product(bool, UseConcurrentTrainingReplay, true, \
+ "Replay training after class initialization in a separate thread")\
+ \
+ product(bool, UseGlobalCompileQueueLock, false, \
+ "Use a global lock for all compilation queues") \
+ \
+ product(bool, UseLockFreeCompileQueues, true, \
+ "Use lock free compile queues") \
+ \
+ product(bool, PrecompileCode, false, \
+ "Precompile code") \
+ \
+ product(bool, PrecompileOnlyAndExit, false, \
+ "Exit after precompilation step is over") \
// end of COMPILER_FLAGS
DECLARE_FLAGS(COMPILER_FLAGS)
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