Contents

Title and Copyright Information

Preface

• Documentation Accessibility
• Conventions

1 About the JRockit JVM Command-Line Options

• 1.1 Standard Command-Line Options
• 1.2 JRockit JVM-Specific Command-Line Options
• 1.3 About System Properties

2 -X Command-Line Options

• -Xbootclasspath
• -Xbootclasspath/a
• -Xbootclasspath/p
• -Xcheck:jni
• -Xdebug
• -Xgc
• -XgcPrio (deprecated)
• -XlargePages
• -Xmanagement
• -Xms
• -Xmx
• -XnoClassGC (deprecated)
• -XnoOpt
• -Xns
• -XpauseTarget
• -Xrs
• -Xss
• -XstrictFP
• -Xverbose
• -Xverbosedecorations
• -XverboseLog
• -XverboseTimeStamp
• -Xverify

3 -XX Command-Line Options

• -XXaggressive
• -XX:AllocChunkSize
• -XX:+|-CheckJNICalls
• -XX:+|-CheckStacks
• -XXcompaction
• -XXcompactRatio (deprecated)
• -XXcompactSetLimit (deprecated)
• -XXcompactSetLimitPerObject (deprecated)
• -XXcompressedRefs
• -XX:+|-CrashOnOutOfMemoryError
• -XX:+|-DisableAttachMechanism
• -XXdumpFullState
• -XXdumpSize
• -XX:ExceptionTraceFilter
• -XX:+|-ExitOnOutOfMemoryError
• -XX:ExitOnOutOfMemoryErrorExitCode
• -XXexternalCompactRatio (deprecated)
• -XX:+|-FailOverToOldVerifier
• -XX:+|-FlightRecorder
• -XX:FlightRecorderOptions
• -XX:+|-FlightRecordingDumpOnUnhandledException
• -XX:FlightRecordingDumpPath
• -XXfullSystemGC
• -XXgcThreads
• -XX:GCTimePercentage
• -XX:GCTimeRatio
• -XXgcTrigger
• -XX:+|-HeapDiagnosticsOnOutOfMemoryError
• -XX:HeapDiagnosticsPath
• -XX:+|-HeapDumpOnCtrlBreak
• -XX:+|-HeapDumpOnOutOfMemoryError
• -XX:HeapDumpPath
• -XX:HeapDumpSegmentSize
• -XXheapParts (deprecated)
• -XXinternalCompactRatio (deprecated)
• -XX:+|-JavaDebug
• -XXkeepAreaRatio
• -XXlargeObjectLimit (deprecated)
• -XX:MaxCodeMemory
• -XX:MaxDirectMemorySize
• -XX:MaximumNurseryPercentage
• -XX:MaxLargePageSize
• -XX:MaxRecvBufferSize
• -XXminBlockSize (deprecated)
• -XXnoSystemGC
• -XX:OptThreads
• -XX:+|-RedoAllocPrefetch
• -XX:+|-ReserveCodeMemory
• -XX:SegmentedHeapDumpThreshold
• -XXsetGC (deprecated)
• -XX:+|-StrictFP
• -XX:StartFlightRecording
• -XXtlaSize
• -XX:TreeMapNodeSize
• -XX:+|-UseAdaptiveFatSpin
• -XX:+|-UseAllocPrefetch
• -XX:+|-UseCallProfiling
• -XX:+|-UseCfsAdaptedYield
• -XX:+|-UseClassGC
• -XX:+|-UseCPoolGC
• -XX:+|-UseFastTime
• -XX:+|-UseFatSpin
• -XX:+|-UseLargePagesFor[Heap|Code]
• -XX:+|-UseLazyUnlocking
• -XX:+|-UseLockProfiling
• -XX:+|-UseLowAddressForHeap
• -XX:+|-UseNewHashFunction
• -XX:+|-UseThreadPriorities

4 Oracle JRockit JVM System Properties

• 4.1 java.vendor
• 4.2 java.vendor.url
• 4.3 java.vendor.url.bug
• 4.4 java.version
• 4.5 java.runtime.version
• 4.6 java.vm.name
• 4.7 java.vm.vendor
• 4.8 java.vm.vendor.url
• 4.9 java.vm.version
• 4.10 java.vm.specification.version
• 4.11 java.vm.specification.vendor
• 4.12 java.vm.specification.name
• 4.13 os.name
• 4.14 os.arch
• 4.15 os.version

5 Diagnostic Commands

• 5.1 check_flightrecording
• 5.2 command_line
• 5.3 dump_flightrecording
• 5.4 exception_trace_filter
• 5.5 force_crash
• 5.6 fork_and_abort
• 5.7 heap_diagnostics
• 5.8 help
• 5.9 hprofdump
• 5.10 kill_management_server
• 5.11 list_vmflags
• 5.12 lockprofile_print
• 5.13 lockprofile_reset
• 5.14 memleakserver
• 5.15 print_class_summary
• 5.16 print_exceptions
• 5.17 print_memusage
• 5.18 print_object_summary
• 5.19 print_threads
• 5.20 print_utf8pool
• 5.21 print_vm_state
• 5.22 runsystemgc
• 5.23 set_filename
• 5.24 start_flightrecording
• 5.25 start_management_server
• 5.26 stop_flightrecording
• 5.27 stop_management_server
• 5.28 timestamp
• 5.29 verbosity
• 5.30 version

A Changes in Command-Line Options

• A.1 Command-Line Options Introduced in Oracle JRockit R28.0
• A.2 Command-Line Options and Parameters Introduced in Oracle JRockit R28.1
• A.3 Command-Line Options Deprecated and Removed in Oracle JRockit R28.0
• A.4 Command-Line Options Converted to HotSpot Format in Oracle JRockit R28.0

B JMX Agent-Related –D Options