JaCoLine - Viewing Historical Command Line #13297

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Analysis Date JDK Operating System CPU Architecture Debug JVM?
2026-03-26 OpenJDK21 Linux x86 N
Results
Switches Identified
-XX:-AccountCHeapSidebandUnderXmx
-XX:+AllocOopTablesInCHeap
-XX:-BestEffortElasticity
-XX:C1CompileThreshold=50
-XX:C2MaxCompilerThreads=3
-XX:CIMaxCompilerThreads=3
-XX:-ClassUnloading
-XX:CodeCacheMinimumFreeSpace=26845184
-XX:-FalconCompensateForIntelMCUForErratumSKX102
-XX:FalconCompileThreshold=2000
-XX:FalconOSROptimizationLevel=2
-XX:+FalconUseLVBs
-XX:GPGCDynamicGCThreadCountPolicy=0
-XX:GPGCDynamicGCThrottlingPolicy=0
-XX:GPGCJavaHeapPoolMXBeanName=Java
-XX:GPGCNewGCMemoryManagerName=GPGC
-XX:-GPGCNoZSTHeapElasticity
-XX:GPGCNoZSTMultiPageAllocPercent=26
-XX:GPGCOldGCIntervalSecs=0
-XX:GPGCOldGCMemoryManagerName=GPGC
-XX:GPGCPacingTriggerHeapOccupancyPercent=95.000000
-XX:+GPGCReportLegacyGarbageCollectorMXBean
-XX:GPGCSmallSpaceAllocateForRelocateSlots=36
-XX:GPGCSmallSpaceAllocationPages=36
-XX:-GPGCUseDensePhaseEncoding
-XX:+GPGCUseNonZeroJavaHeapBase
-XX:GPGCVirtualMemorySectorSize=2199023255552
-XX:GenPauselessNewThreads=3
-XX:GenPauselessOldThreads=1
-XX:-ImplicitNullChecks
-XX:InitialHeapSize=10737418240
-XX:InitialSystemDictionarySize=320219
-XX:+KeepSafepointsInCountedLoops
-XX:KlassTableSize=8388608
-XX:MaxHeapSize=10737418240
-XX:MinHeapSizeForUncommit=10737418240
-XX:+MlockCodeCache
-XX:+PrintCommandLineFlags
-XX:+ProfileLiveObjects
-XX:ProfilePreMainTier2ExtraCompilerThreads=33
-XX:ProfileWorkerThreads=4
-XX:RdtscFrequency=0
-XX:ReservedCodeCacheSize=1342177280
-XX:StartFlightRecording=dumponexit=true,maxsize=2G,filename=../../logs/iCTSUS_ALGODEV19_STG_01/
-XX:StringTableSize=320219
-XX:-SwitchOldGCToSTW
-XX:-SwitchToSTWGCDurationModel
-XX:SymbolTableSize=320219
-XX:TopTierHotCompileThresholdTriggerMillis=60000
-XX:TopTierWarmCompileCpuPercent=25
-XX:TopTierWarmCompileThresholdTriggerMillis=600000
-XX:+TrivialArrayElementGetter
-XX:+TrivialArrayElementSetter
-XX:+TrivialArrayLengthGetter
-XX:+TrivialBuilderSetter
-XX:+TrivialConstValueGetter
-XX:+TrivialEmptyMethod
-XX:+TrivialGetter
-XX:+TrivialProxyGetter
-XX:+TrivialSetter
-XX:+TrivialStaticValueGetter
-XX:+TrivialValueGetter
-XX:+UnlockDiagnosticVMOptions
-XX:+UseCountedLoopSafepoints
-XX:-UseDynamicNumberOfGCThreads
-XX:-UseOopsInCalleeSavedRegisters
-XX:+UseTickProfiler
-XX:-UseTransparentHugePagesForCodeCache
-XX:-UseTransparentHugePagesForMonitorCache
-XX:-UseTransparentHugePagesForSideBand
-XX:-UseZST
-XX:+UseZingMXBeans
Switch Analysis
Name Type Description Default Value Your Value
AccountCHeapSidebandUnderXmx false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
AllocOopTablesInCHeap true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
BestEffortElasticity false
Analysis Switch not found in any JDK. Did you mean 'EpsilonTLABElasticity' ?
Name Type Description Default Value Your Value
C1CompileThreshold 50
Analysis Switch not found in any JDK. Did you mean 'CompileThreshold' ?
Name Type Description Default Value Your Value
C2MaxCompilerThreads 3
Analysis Switch not found in any JDK. Did you mean 'TraceCompilerThreads' ?
Name Type Description Default Value Your Value
CIMaxCompilerThreads 3
Analysis Switch not found in any JDK. Did you mean 'TraceCompilerThreads' ?
Name Type Description Default Value Your Value
ClassUnloading boolean Do unloading of classes true false
Analysis OK
Name Type Description Default Value Your Value
CodeCacheMinimumFreeSpace int When less than X space left, we stop compiling 500*K 26845184
Analysis This switch was removed after OpenJDK8. Your analysis was for OpenJDK21
Name Type Description Default Value Your Value
FalconCompensateForIntelMCUForErratumSKX102 false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
FalconCompileThreshold 2000
Analysis Switch not found in any JDK. Did you mean 'LongCompileThreshold' ?
Name Type Description Default Value Your Value
FalconOSROptimizationLevel 2
Analysis Switch not found in any JDK. Did you mean 'SharkOptimizationLevel' ?
Name Type Description Default Value Your Value
FalconUseLVBs true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCDynamicGCThreadCountPolicy 0
Analysis Switch not found in any JDK. Did you mean 'TraceDynamicGCThreads' ?
Name Type Description Default Value Your Value
GPGCDynamicGCThrottlingPolicy 0
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCJavaHeapPoolMXBeanName Java
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCNewGCMemoryManagerName GPGC
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCNoZSTHeapElasticity false
Analysis Switch not found in any JDK. Did you mean 'EpsilonTLABElasticity' ?
Name Type Description Default Value Your Value
GPGCNoZSTMultiPageAllocPercent 26
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCOldGCIntervalSecs 0
Analysis Switch not found in any JDK. Did you mean 'ProfileIntervals' ?
Name Type Description Default Value Your Value
GPGCOldGCMemoryManagerName GPGC
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCPacingTriggerHeapOccupancyPercent 95.000000
Analysis Switch not found in any JDK. Did you mean 'InitiatingHeapOccupancyPercent' ?
Name Type Description Default Value Your Value
GPGCReportLegacyGarbageCollectorMXBean true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCSmallSpaceAllocateForRelocateSlots 36
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCSmallSpaceAllocationPages 36
Analysis Switch not found in any JDK. Did you mean 'TraceReduceAllocationMerges' ?
Name Type Description Default Value Your Value
GPGCUseDensePhaseEncoding false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCUseNonZeroJavaHeapBase true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GPGCVirtualMemorySectorSize 2199023255552
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
GenPauselessNewThreads 3
Analysis Switch not found in any JDK. Did you mean 'ParallelGCThreads' ?
Name Type Description Default Value Your Value
GenPauselessOldThreads 1
Analysis Switch not found in any JDK. Did you mean 'ParallelGCThreads' ?
Name Type Description Default Value Your Value
ImplicitNullChecks boolean Generate code for implicit null checks true false
Analysis OK
Name Type Description Default Value Your Value
InitialHeapSize size_t Initial heap size (in bytes); zero means use ergonomics 0 10737418240
Analysis OK
Name Type Description Default Value Your Value
InitialSystemDictionarySize 320219
Analysis Switch not found in any JDK. Did you mean 'PrintSystemDictionaryAtExit' ?
Name Type Description Default Value Your Value
KeepSafepointsInCountedLoops true
Analysis Switch not found in any JDK. Did you mean 'SafepointTimeoutDelay' ?
Name Type Description Default Value Your Value
KlassTableSize 8388608
Analysis Switch not found in any JDK. Did you mean 'StringTableSize' ?
Name Type Description Default Value Your Value
MaxHeapSize size_t Maximum heap size (in bytes) ScaleForWordSize(96*M) 10737418240
Analysis OK
Name Type Description Default Value Your Value
MinHeapSizeForUncommit 10737418240
Analysis Switch not found in any JDK. Did you mean 'MinHeapSize' ?
Name Type Description Default Value Your Value
MlockCodeCache true
Analysis Switch not found in any JDK. Did you mean 'PrintCodeCache' ?
Name Type Description Default Value Your Value
PrintCommandLineFlags boolean Print flags specified on command line or set by ergonomics false true
Analysis OK
Name Type Description Default Value Your Value
ProfileLiveObjects true
Analysis Switch not found in any JDK. Did you mean 'ZapFillerObjects' ?
Name Type Description Default Value Your Value
ProfilePreMainTier2ExtraCompilerThreads 33
Analysis Switch not found in any JDK. Did you mean 'ReduceNumberOfCompilerThreads' ?
Name Type Description Default Value Your Value
ProfileWorkerThreads 4
Analysis Switch not found in any JDK. Did you mean 'ProfileInterpreter' ?
Name Type Description Default Value Your Value
RdtscFrequency 0
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
ReservedCodeCacheSize int Reserved code cache size (in bytes) - maximum code cache size
CPUDefault
x8632*M
 1342177280
Analysis OK
Name Type Description Default Value Your Value
StartFlightRecording string Start flight recording with options nullptr dumponexit=true,maxsize=2G,filename=../../logs/iCTSUS_ALGODEV19_STG_01/
Analysis OK
Name Type Description Default Value Your Value
StringTableSize int Number of buckets in the interned String table
(will be rounded to nearest higher power of 2)		 defaultStringTableSize in range(minimumStringTableSize, 16777216ul /* 2^24 */) 320219
Analysis OK
Name Type Description Default Value Your Value
SwitchOldGCToSTW false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
SwitchToSTWGCDurationModel false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
SymbolTableSize int Number of buckets in the JVM internal Symbol table defaultSymbolTableSize in range(minimumSymbolTableSize, 16777216ul /* 2^24 */) 320219
Analysis OK
Name Type Description Default Value Your Value
TopTierHotCompileThresholdTriggerMillis 60000
Analysis Switch not found in any JDK. Did you mean 'Tier0AOTCompileThreshold' ?
Name Type Description Default Value Your Value
TopTierWarmCompileCpuPercent 25
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TopTierWarmCompileThresholdTriggerMillis 600000
Analysis Switch not found in any JDK. Did you mean 'Tier0AOTCompileThreshold' ?
Name Type Description Default Value Your Value
TrivialArrayElementGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialArrayElementSetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialArrayLengthGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialBuilderSetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialConstValueGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialEmptyMethod true
Analysis Switch not found in any JDK. Did you mean 'UseFastEmptyMethods' ?
Name Type Description Default Value Your Value
TrivialGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialProxyGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialSetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialStaticValueGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
TrivialValueGetter true
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
UnlockDiagnosticVMOptions boolean Enable normal processing of flags relating to field diagnostics trueInDebug true
Analysis OK
Name Type Description Default Value Your Value
UseCountedLoopSafepoints boolean Force counted loops to keep a safepoint false true
Analysis OK
Name Type Description Default Value Your Value
UseDynamicNumberOfGCThreads boolean Dynamically choose the number of threads up to a maximum of
ParallelGCThreads parallel collectors will use for garbage
collection work		 true false
Analysis OK
Name Type Description Default Value Your Value
UseOopsInCalleeSavedRegisters false
Analysis Switch not found in any JDK
Name Type Description Default Value Your Value
UseTickProfiler true
Analysis Switch not found in any JDK. Did you mean 'UseTypeProfile' ?
Name Type Description Default Value Your Value
UseTransparentHugePagesForCodeCache false
Analysis Switch not found in any JDK. Did you mean 'UseTransparentHugePages' ?
Name Type Description Default Value Your Value
UseTransparentHugePagesForMonitorCache false
Analysis Switch not found in any JDK. Did you mean 'UseTransparentHugePages' ?
Name Type Description Default Value Your Value
UseTransparentHugePagesForSideBand false
Analysis Switch not found in any JDK. Did you mean 'UseTransparentHugePages' ?
Name Type Description Default Value Your Value
UseZST false
Analysis Switch not found in any JDK. Did you mean 'UseAOT' ?
Name Type Description Default Value Your Value
UseZingMXBeans true
Analysis Switch not found in any JDK
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