OpenJDK 12

jdk.ActiveRecording Event

Label: Flight Recording
Description:
Categories: Flight Recorder

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
id long
name String
destination String
maxAge long Timespan
maxSize long DataAmount
recordingStart long Timestamp
recordingDuration long Timespan


jdk.ActiveSetting Event

Label: Recording Setting
Description:
Categories: Flight Recorder

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
id long
name String
value String


jdk.AllocationRequiringGC Event

Label: Allocation Requiring GC
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
gcId int Unsigned
size long Unsigned


jdk.BiasedLockClassRevocation Event

Label: Biased Lock Class Revocation
Description: Revoked biases for all instances of a class
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
revokedClass Class Class whose biased locks were revoked
disableBiasing boolean Whether further biasing for instances of this class will be allowed
safepointId long Unsigned


jdk.BiasedLockRevocation Event

Label: Biased Lock Revocation
Description: Revoked bias of object
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
lockClass Class Class of object whose biased lock was revoked
safepointId long Unsigned
previousOwner Thread Thread owning the bias before revocation


jdk.BiasedLockSelfRevocation Event

Label: Biased Lock Self Revocation
Description: Revoked bias of object biased towards own thread
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
lockClass Class Class of object whose biased lock was revoked


jdk.BooleanFlag Event

Label: Boolean Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value boolean
origin String


jdk.BooleanFlagChanged Event

Label: Boolean Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue boolean
newValue boolean
origin String


jdk.CPUInformation Event

Label: CPU Information
Description:
Categories: Operating System, Processor

Attributes
Name Type ContentType Description
startTime long Timestamp
cpu String
description String
sockets int Unsigned
cores int Unsigned
hwThreads int Unsigned


jdk.CPULoad Event

Label: CPU Load
Description: OS CPU Load
Categories: Operating System, Processor

Attributes
Name Type ContentType Description
startTime long Timestamp
jvmUser float Percentage
jvmSystem float Percentage
machineTotal float Percentage


jdk.CPUTimeStampCounter Event

Label: CPU Time Stamp Counter
Description:
Categories: Operating System, Processor

Attributes
Name Type ContentType Description
startTime long Timestamp
fastTimeEnabled boolean
fastTimeAutoEnabled boolean
osFrequency long Frequency
fastTimeFrequency long Frequency


jdk.ClassDefine Event

Label: Class Define
Description:
Categories: Java Virtual Machine, Class Loading

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
definedClass Class
definingClassLoader ClassLoader


jdk.ClassLoad Event

Label: Class Load
Description:
Categories: Java Virtual Machine, Class Loading

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
loadedClass Class
definingClassLoader ClassLoader
initiatingClassLoader ClassLoader


jdk.ClassLoaderStatistics Event

Label: Class Loader Statistics
Description:
Categories: Java Application, Statistics

Attributes
Name Type ContentType Description
startTime long Timestamp
classLoader ClassLoader
parentClassLoader ClassLoader
classLoaderData long Unsigned Pointer to the ClassLoaderData structure in the JVM
classCount long Number of loaded classes
chunkSize long Unsigned Total size of all allocated metaspace chunks (each chunk has several blocks)
blockSize long Unsigned Total size of all allocated metaspace blocks (each chunk has several blocks)
unsafeAnonymousClassCount New! long Number of loaded classes to support invokedynamic
unsafeAnonymousChunkSize New! long Unsigned Total size of all allocated metaspace chunks for unsafe anonymous classes (each chunk has several blocks)
unsafeAnonymousBlockSize New! long Unsigned Total size of all allocated metaspace blocks for unsafe anonymous classes (each chunk has several blocks)


jdk.ClassLoadingStatistics Event

Label: Class Loading Statistics
Description:
Categories: Java Application, Statistics

Attributes
Name Type ContentType Description
startTime long Timestamp
loadedClassCount long Number of classes loaded since JVM start
unloadedClassCount long Number of classes unloaded since JVM start


jdk.ClassUnload Event

Label: Class Unload
Description:
Categories: Java Virtual Machine, Class Loading

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
unloadedClass Class
definingClassLoader ClassLoader


jdk.CodeCacheConfiguration Event

Label: Code Cache Configuration
Description:
Categories: Java Virtual Machine, Code Cache

Attributes
Name Type ContentType Description
startTime long Timestamp
initialSize long Unsigned
reservedSize long Unsigned
nonNMethodSize long Unsigned
profiledSize long Unsigned
nonProfiledSize long Unsigned
expansionSize long Unsigned
minBlockLength long Unsigned
startAddress long Unsigned
reservedTopAddress long Unsigned


jdk.CodeCacheFull Event

Label: Code Cache Full
Description:
Categories: Java Virtual Machine, Code Cache

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
codeBlobType String
startAddress long Unsigned
commitedTopAddress long Unsigned
reservedTopAddress long Unsigned
entryCount int
methodCount int
adaptorCount int
unallocatedCapacity long Unsigned
fullCount int


jdk.CodeCacheStatistics Event

Label: Code Cache Statistics
Description:
Categories: Java Virtual Machine, Code Cache

Attributes
Name Type ContentType Description
startTime long Timestamp
codeBlobType String
startAddress long Unsigned
reservedTopAddress long Unsigned
entryCount int
methodCount int
adaptorCount int
unallocatedCapacity long Unsigned
fullCount int


jdk.CodeSweeperConfiguration Event

Label: Code Sweeper Configuration
Description:
Categories: Java Virtual Machine, Code Sweeper

Attributes
Name Type ContentType Description
startTime long Timestamp
sweeperEnabled boolean
flushingEnabled boolean


jdk.CodeSweeperStatistics Event

Label: Code Sweeper Statistics
Description:
Categories: Java Virtual Machine, Code Sweeper

Attributes
Name Type ContentType Description
startTime long Timestamp
sweepCount int
methodReclaimedCount int
totalSweepTime long Timespan
peakFractionTime long Timespan
peakSweepTime long Timespan


jdk.Compilation Event

Label: Compilation
Description:
Categories: Java Virtual Machine, Compiler

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
method Method
compileId int Unsigned
compileLevel short Unsigned
succeded boolean
isOsr boolean
codeSize long Unsigned
inlinedBytes long Unsigned


jdk.CompilationFailure Event

Label: Compilation Failure
Description:
Categories: Java Virtual Machine, Compiler

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
failureMessage String
compileId int Unsigned


jdk.CompilerConfiguration Event

Label: Compiler Configuration
Description:
Categories: Java Virtual Machine, Compiler

Attributes
Name Type ContentType Description
startTime long Timestamp
threadCount int
tieredCompilation boolean


jdk.CompilerInlining Event

Label: Method Inlining
Description:
Categories: Java Virtual Machine, Compiler, Optimization

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
compileId int Unsigned
caller Method
callee CalleeMethod
succeeded boolean
message String
bci int


jdk.CompilerPhase Event

Label: Compiler Phase
Description:
Categories: Java Virtual Machine, Compiler

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
phase String
compileId int Unsigned
phaseLevel short Unsigned


jdk.CompilerStatistics Event

Label: Compiler Statistics
Description:
Categories: Java Virtual Machine, Compiler

Attributes
Name Type ContentType Description
startTime long Timestamp
compileCount int
bailoutCount int
invalidatedCount int
osrCompileCount int
standardCompileCount int
osrBytesCompiled long Unsigned
standardBytesCompiled long Unsigned
nmetodsSize New! long Unsigned
nmetodCodeSize New! long Unsigned
peakTimeSpent long Timespan
totalTimeSpent long Timespan


jdk.ConcurrentModeFailure Event

Label: Concurrent Mode Failure
Description: Concurrent Mode failed
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned


jdk.DataLoss Event

Label: Data Loss
Description: Data could not be copied out from a buffer, typically because of contention
Categories: Flight Recorder

Attributes
Name Type ContentType Description
startTime long Timestamp
amount long Unsigned Amount lost data
total long Unsigned Total lost amount for thread


jdk.DoubleFlag Event

Label: Double Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value double
origin String


jdk.DoubleFlagChanged Event

Label: Double Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue double
newValue double
origin String


jdk.DumpReason Event

Label: Recording Reason
Description: Who requested the recording and why
Categories: Flight Recorder

Attributes
Name Type ContentType Description
startTime long Timestamp
reason String Reason for writing recording data to disk
recordingId int Id of the recording that triggered the dump, or -1 if it was not related to a recording


jdk.EvacuationFailed Event

Label: Evacuation Failed
Description: Evacuation of an object failed
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
evacuationFailed CopyFailed


jdk.EvacuationInformation Event

Label: Evacuation Information
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
cSetRegions int Unsigned
cSetUsedBefore long Unsigned Memory usage before GC in the collection set regions
cSetUsedAfter long Unsigned Memory usage after GC in the collection set regions
allocationRegions int Unsigned Regions chosen as allocation regions during evacuation (includes survivors and old space regions)
allocationRegionsUsedBefore long Unsigned Memory usage before GC in allocation regions
allocationRegionsUsedAfter long Unsigned Memory usage after GC in allocation regions
bytesCopied long Unsigned
regionsFreed int Unsigned


jdk.ExceptionStatistics Event

Label: Exception Statistics
Description: Number of objects derived from java.lang.Throwable that have been created
Categories: Java Application, Statistics

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
throwables long


jdk.ExecuteVMOperation Event

Label: VM Operation
Description: Execution of a VM Operation
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
operation String
safepoint boolean If the operation occured at a safepoint
blocking boolean If the calling thread was blocked until the operation was complete
caller Thread Thread requesting operation. If non-blocking, will be set to 0 indicating thread is unknown
safepointId long Unsigned The safepoint (if any) under which this operation was completed


jdk.ExecutionSample Event

Label: Method Profiling Sample
Description: Snapshot of a threads state
Categories: Java Virtual Machine, Profiling

Attributes
Name Type ContentType Description
startTime long Timestamp
sampledThread Thread
stackTrace StackTrace
state String


jdk.FileForce Event

Label: File Force
Description: Force updates to be written to file
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
path String Full path of the file
metaData boolean Whether the file metadata is updated


jdk.FileRead Event

Label: File Read
Description: Reading data from a file
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
path String Full path of the file
bytesRead long DataAmount Number of bytes read from the file (possibly 0)
endOfFile boolean If end of file was reached


jdk.FileWrite Event

Label: File Write
Description: Writing data to a file
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
path String Full path of the file
bytesWritten long DataAmount Number of bytes written to the file


jdk.G1AdaptiveIHOP Event

Label: G1 Adaptive IHOP Statistics
Description: Statistics related to current adaptive IHOP calculation
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
threshold long Unsigned Current IHOP Threshold
thresholdPercentage float Percentage Current IHOP threshold in percent of the internal target occupancy
ihopTargetOccupancy long Unsigned Internal target old generation occupancy to reach at the start of mixed GC
currentOccupancy long Unsigned Current old generation occupancy
additionalBufferSize long Unsigned Additional buffer size
predictedAllocationRate double DataAmount Current predicted allocation rate for the mutator in bytes/second
predictedMarkingDuration long Timespan Current predicted time from the end of the last initial mark to the first mixed GC
predictionActive boolean Indicates whether the adaptive IHOP prediction is active


jdk.G1BasicIHOP Event

Label: G1 Basic IHOP Statistics
Description: Basic statistics related to current IHOP calculation
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
threshold long Unsigned Current IHOP threshold
thresholdPercentage float Percentage Current IHOP threshold in percent of old generation
targetOccupancy long Unsigned Target old generation occupancy to reach at the start of mixed GC
currentOccupancy long Unsigned Current old generation occupancy
recentMutatorAllocationSize long Unsigned Mutator allocation during mutator operation in the most recent interval
recentMutatorDuration long Timespan Time the mutator ran in the most recent interval
recentAllocationRate double DataAmount Allocation rate of the mutator in the most recent interval in bytes/second
lastMarkingDuration long Timespan Last time from the end of the last initial mark to the first mixed GC


jdk.G1EvacuationOldStatistics Event

Label: G1 Evacuation Memory Statistics for Old
Description: Memory related evacuation statistics during GC for the old generation
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
statistics G1EvacuationStatistics


jdk.G1EvacuationYoungStatistics Event

Label: G1 Evacuation Statistics for Young
Description: Memory related evacuation statistics during GC for the young generation
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
statistics G1EvacuationStatistics


jdk.G1GarbageCollection Event

Label: G1 Garbage Collection
Description: Extra information specific to G1 Garbage Collections
Categories: Java Virtual Machine, GC, Collector

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
gcId int Unsigned
type String


jdk.G1HeapRegionInformation Event

Label: G1 Heap Region Information
Description: Information about a specific heap region in the G1 GC
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
index int Unsigned
type String
start long Unsigned
used long Unsigned


jdk.G1HeapRegionTypeChange Event

Label: G1 Heap Region Type Change
Description: Information about a G1 heap region type change
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
index int Unsigned
from String
to String
start long Unsigned
used long Unsigned


jdk.G1HeapSummary Event

Label: G1 Heap Summary
Description:
Categories: Java Virtual Machine, GC, Heap

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
when String
edenUsedSize long Unsigned
edenTotalSize long Unsigned
survivorUsedSize long Unsigned
numberOfRegions int Unsigned


jdk.G1MMU Event

Label: G1 MMU Information
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
timeSlice long Timespan Time slice used to calculate MMU
gcTime long Timespan Time stopped because of GC during last time slice
pauseTarget long Timespan Max time allowed to be spent on GC during last time slice


jdk.GCConfiguration Event

Label: GC Configuration
Description: The configuration of the garbage collector
Categories: Java Virtual Machine, GC, Configuration

Attributes
Name Type ContentType Description
startTime long Timestamp
youngCollector String The garbage collector used for the young generation
oldCollector String The garbage collector used for the old generation
parallelGCThreads int Unsigned Number of parallel threads to use for garbage collection
concurrentGCThreads int Unsigned Number of concurrent threads to use for garbage collection
usesDynamicGCThreads boolean Whether a dynamic number of GC threads are used or not
isExplicitGCConcurrent boolean Whether System.gc() is concurrent or not
isExplicitGCDisabled boolean Whether System.gc() will cause a garbage collection or not
pauseTarget long Timespan Target for GC pauses
gcTimeRatio int Unsigned Target for runtime vs garbage collection time


jdk.GCHeapConfiguration Event

Label: GC Heap Configuration
Description: The configuration of the garbage collected heap
Categories: Java Virtual Machine, GC, Configuration

Attributes
Name Type ContentType Description
startTime long Timestamp
minSize long Unsigned
maxSize long Unsigned
initialSize long Unsigned
usesCompressedOops boolean If compressed Oops (Ordinary Object Pointers) are enabled
compressedOopsMode String The kind of compressed oops being used
objectAlignment long Unsigned Object alignment (in bytes) on the heap
heapAddressBits byte Unsigned Heap Address Size (in bits)


jdk.GCHeapSummary Event

Label: Heap Summary
Description:
Categories: Java Virtual Machine, GC, Heap

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
when String
heapSpace VirtualSpace
heapUsed long Unsigned Bytes allocated by objects in the heap


jdk.GCPhaseConcurrent Event

Label: GC Phase Concurrent
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCPhaseParallel Event New!

Label: GC Phase Parallel
Description: GC phases for parallel workers
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
gcWorkerId int Unsigned
name String


jdk.GCPhasePause Event

Label: GC Phase Pause
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCPhasePauseLevel1 Event

Label: GC Phase Pause Level 1
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCPhasePauseLevel2 Event

Label: GC Phase Pause Level 2
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCPhasePauseLevel3 Event

Label: GC Phase Pause Level 3
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCPhasePauseLevel4 Event

Label: GC Phase Pause Level 4
Description:
Categories: Java Virtual Machine, GC, Phases

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


jdk.GCReferenceStatistics Event

Label: GC Reference Statistics
Description: Total count of processed references during GC
Categories: Java Virtual Machine, GC, Reference

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
type String
count long Unsigned


jdk.GCSurvivorConfiguration Event

Label: GC Survivor Configuration
Description: The configuration of the survivors of garbage collection
Categories: Java Virtual Machine, GC, Configuration

Attributes
Name Type ContentType Description
startTime long Timestamp
maxTenuringThreshold byte Unsigned Upper limit for the age of how old objects to keep in the survivor area
initialTenuringThreshold byte Unsigned Initial age limit for how old objects to keep in survivor area


jdk.GCTLABConfiguration Event

Label: TLAB Configuration
Description: The configuration of the Thread Local Allocation Buffers (TLABs)
Categories: Java Virtual Machine, GC, Configuration

Attributes
Name Type ContentType Description
startTime long Timestamp
usesTLABs boolean If Thread Local Allocation Buffers (TLABs) are in use
minTLABSize long Unsigned
tlabRefillWasteLimit long Unsigned


jdk.GarbageCollection Event

Label: Garbage Collection
Description: Garbage collection performed by the JVM
Categories: Java Virtual Machine, GC, Collector

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
gcId int Unsigned
name String The name of the Garbage Collector
cause String The reason for triggering this Garbage Collection
sumOfPauses long Timespan Sum of all the times in which Java execution was paused during the garbage collection
longestPause long Timespan Longest individual pause during the garbage collection


jdk.InitialEnvironmentVariable Event

Label: Initial Environment Variable
Description:
Categories: Operating System

Attributes
Name Type ContentType Description
startTime long Timestamp
key String
value String


jdk.InitialSystemProperty Event

Label: Initial System Property
Description: System Property at JVM start
Categories: Java Virtual Machine

Attributes
Name Type ContentType Description
startTime long Timestamp
key String
value String


jdk.IntFlag Event

Label: Int Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value int
origin String


jdk.IntFlagChanged Event

Label: Int Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue int
newValue int
origin String


jdk.JVMInformation Event

Label: JVM Information
Description: Description of JVM and the Java application
Categories: Java Virtual Machine

Attributes
Name Type ContentType Description
startTime long Timestamp
jvmName String
jvmVersion String
jvmArguments String
jvmFlags String
javaArguments String
jvmStartTime long Timestamp
pid long


jdk.JavaErrorThrow Event

Label: Java Error
Description: An object derived from java.lang.Error has been created. OutOfMemoryErrors are ignored
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
message String
thrownClass Class


jdk.JavaExceptionThrow Event

Label: Java Exception
Description: An object derived from java.lang.Exception has been created
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
message String
thrownClass Class


jdk.JavaMonitorEnter Event

Label: Java Monitor Blocked
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
monitorClass Class
previousOwner Thread
address long Unsigned


jdk.JavaMonitorInflate Event

Label: Java Monitor Inflated
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
monitorClass Class
address long Unsigned
cause String Cause of inflation


jdk.JavaMonitorWait Event

Label: Java Monitor Wait
Description: Waiting on a Java monitor
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
monitorClass Class Class of object waited on
notifier Thread Notifying Thread
timeout long Timespan Maximum wait time
timedOut boolean Wait has been timed out
address long Unsigned Address of object waited on


jdk.JavaThreadStatistics Event

Label: Java Thread Statistics
Description:
Categories: Java Application, Statistics

Attributes
Name Type ContentType Description
startTime long Timestamp
activeCount long Number of live active threads including both daemon and non-daemon threads
daemonCount long Number of live daemon threads
accumulatedCount long Number of threads created and also started since JVM start
peakCount long Peak live thread count since JVM start or when peak count was reset


jdk.LongFlag Event

Label: Long Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value long
origin String


jdk.LongFlagChanged Event

Label: Long Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue long
newValue long
origin String


jdk.MetaspaceAllocationFailure Event

Label: Metaspace Allocation Failure
Description:
Categories: Java Virtual Machine, GC, Metaspace

Attributes
Name Type ContentType Description
startTime long Timestamp
stackTrace StackTrace Stack Trace starting from the method the event was committed in
classLoader ClassLoader
unsafeAnonymousClassLoader New! boolean
size long Unsigned
metadataType String
metaspaceObjectType String


jdk.MetaspaceChunkFreeListSummary Event

Label: Metaspace Chunk Free List Summary
Description:
Categories: Java Virtual Machine, GC, Metaspace

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
when String
metadataType String
specializedChunks long Unsigned
specializedChunksTotalSize long Unsigned
smallChunks long Unsigned
smallChunksTotalSize long Unsigned
mediumChunks long Unsigned
mediumChunksTotalSize long Unsigned
humongousChunks long Unsigned
humongousChunksTotalSize long Unsigned


jdk.MetaspaceGCThreshold Event

Label: Metaspace GC Threshold
Description:
Categories: Java Virtual Machine, GC, Metaspace

Attributes
Name Type ContentType Description
startTime long Timestamp
oldValue long Unsigned
newValue long Unsigned
updater String


jdk.MetaspaceOOM Event

Label: Metaspace Out of Memory
Description:
Categories: Java Virtual Machine, GC, Metaspace

Attributes
Name Type ContentType Description
startTime long Timestamp
stackTrace StackTrace Stack Trace starting from the method the event was committed in
classLoader ClassLoader
unsafeAnonymousClassLoader New! boolean
size long Unsigned
metadataType String
metaspaceObjectType String


jdk.MetaspaceSummary Event

Label: Metaspace Summary
Description:
Categories: Java Virtual Machine, GC, Heap

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
when String
gcThreshold long Unsigned
metaspace MetaspaceSizes
dataSpace MetaspaceSizes
classSpace MetaspaceSizes


jdk.ModuleExport Event

Label: Module Export
Description:
Categories: Java Virtual Machine, Runtime, Modules

Attributes
Name Type ContentType Description
startTime long Timestamp
exportedPackage Package
targetModule Module Module to which the package is qualifiedly exported. If null or N/A, the package is unqualifiedly exported


jdk.ModuleRequire Event

Label: Module Require
Description: A directed edge representing a dependency
Categories: Java Virtual Machine, Runtime, Modules

Attributes
Name Type ContentType Description
startTime long Timestamp
source Module
requiredModule Module


jdk.NativeLibrary Event

Label: Native Library
Description:
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
baseAddress long Unsigned Starting address of the module
topAddress long Unsigned Ending address of the module


jdk.NativeMethodSample Event

Label: Method Profiling Sample Native
Description: Snapshot of a threads state when in native
Categories: Java Virtual Machine, Profiling

Attributes
Name Type ContentType Description
startTime long Timestamp
sampledThread Thread
stackTrace StackTrace
state String


jdk.NetworkUtilization Event

Label: Network Utilization
Description:
Categories: Operating System, Network

Attributes
Name Type ContentType Description
startTime long Timestamp
networkInterface String Network Interface Name
readRate long DataAmount Number of incoming bits per second
writeRate long DataAmount Number of outgoing bits per second


jdk.OSInformation Event

Label: OS Information
Description:
Categories: Operating System

Attributes
Name Type ContentType Description
startTime long Timestamp
osVersion String


jdk.ObjectAllocationInNewTLAB Event

Label: Allocation in new TLAB
Description: Allocation in new Thread Local Allocation Buffer
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
objectClass Class Class of allocated object
allocationSize long Unsigned
tlabSize long Unsigned


jdk.ObjectAllocationOutsideTLAB Event

Label: Allocation outside TLAB
Description: Allocation outside Thread Local Allocation Buffers
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
objectClass Class Class of allocated object
allocationSize long Unsigned


jdk.ObjectCount Event

Label: Object Count
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
objectClass Class
count long
totalSize long Unsigned


jdk.ObjectCountAfterGC Event

Label: Object Count after GC
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
objectClass Class
count long
totalSize long Unsigned


jdk.OldGarbageCollection Event

Label: Old Garbage Collection
Description: Extra information specific to Old Garbage Collections
Categories: Java Virtual Machine, GC, Collector

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
gcId int Unsigned


jdk.OldObjectSample Event

Label: Old Object Sample
Description: A potential memory leak
Categories: Java Virtual Machine, Profiling

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
allocationTime long Timestamp
lastKnownHeapUsage long Unsigned
object OldObject
arrayElements int If the object is an array, the number of elements, or -1 if it is not an array
root OldObjectGcRoot


jdk.PSHeapSummary Event

Label: Parallel Scavenge Heap Summary
Description:
Categories: Java Virtual Machine, GC, Heap

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
when String
oldSpace VirtualSpace
oldObjectSpace ObjectSpace
youngSpace VirtualSpace
edenSpace ObjectSpace
fromSpace ObjectSpace
toSpace ObjectSpace


jdk.ParallelOldGarbageCollection Event

Label: Parallel Old Garbage Collection
Description: Extra information specific to Parallel Old Garbage Collections
Categories: Java Virtual Machine, GC, Collector

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
gcId int Unsigned
densePrefix long Unsigned The address of the dense prefix, used when compacting


jdk.PhysicalMemory Event

Label: Physical Memory
Description: OS Physical Memory
Categories: Operating System, Memory

Attributes
Name Type ContentType Description
startTime long Timestamp
totalSize long Unsigned Total amount of physical memory available to OS
usedSize long Unsigned Total amount of physical memory in use


jdk.PromoteObjectInNewPLAB Event

Label: Promotion in new PLAB
Description: Object survived scavenge and was copied to a new Promotion Local Allocation Buffer (PLAB). Supported GCs are Parallel Scavange, G1 and CMS with Parallel New. Due to promotion being done in parallel an object might be reported multiple times as the GC threads race to copy all objects.
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
gcId int Unsigned Identifier signifying GC during which the object was promoted
objectClass Class Class of promoted object
objectSize long Unsigned Size of promoted object
tenuringAge int Unsigned Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between 0-15 and is incremented each scavange the object survives. Newly allocated objects have tenuring age 0.
tenured boolean True if object was promoted to Old space, otherwise the object was aged and copied to a Survivor space
plabSize long Unsigned Size of the allocated PLAB to which the object was copied


jdk.PromoteObjectOutsidePLAB Event

Label: Promotion outside PLAB
Description: Object survived scavenge and was copied directly to the heap. Supported GCs are Parallel Scavange, G1 and CMS with Parallel New. Due to promotion being done in parallel an object might be reported multiple times as the GC threads race to copy all objects.
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
gcId int Unsigned Identifier signifying GC during which the object was promoted
objectClass Class Class of promoted object
objectSize long Unsigned Size of promoted object
tenuringAge int Unsigned Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between 0-15 and is incremented each scavange the object survives. Newly allocated objects have tenuring age 0.
tenured boolean True if object was promoted to Old space, otherwise the object was aged and copied to a Survivor space


jdk.PromotionFailed Event

Label: Promotion Failed
Description: Promotion of an object failed
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
promotionFailed CopyFailed
thread Thread


jdk.ReservedStackActivation Event

Label: Reserved Stack Activation
Description: Activation of Reserved Stack Area caused by stack overflow with ReservedStackAccess annotated method in call stack
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
method Method


jdk.SafepointBegin Event

Label: Safepoint Begin
Description: Safepointing begin
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned
totalThreadCount int The total number of threads at the start of safe point
jniCriticalThreadCount int The number of threads in JNI critical sections


jdk.SafepointCleanup Event

Label: Safepoint Cleanup
Description: Safepointing begin running cleanup tasks
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned


jdk.SafepointCleanupTask Event

Label: Safepoint Cleanup Task
Description: Safepointing begin running cleanup tasks
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned
name String The task name


jdk.SafepointEnd Event

Label: Safepoint End
Description: Safepointing end
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned


jdk.SafepointStateSynchronization Event

Label: Safepoint State Synchronization
Description: Synchronize run state of threads
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned
initialThreadCount int The number of threads running at the beginning of state check
runningThreadCount int The number of threads still running
iterations int Number of state check iterations


jdk.SafepointWaitBlocked Event

Label: Safepoint Wait Blocked
Description: Safepointing begin waiting on running threads to block
Categories: Java Virtual Machine, Runtime, Safepoint

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
safepointId long Unsigned
runningThreadCount int The number running of threads wait for safe point


jdk.SecurityPropertyModification Event

Label: Security Property Modification
Description: Modification of Security property
Categories: Java Development Kit, Security

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
key String
value String


jdk.Shutdown Event

Label: JVM Shutdown
Description: JVM shutting down
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
reason String Reason for JVM shutdown


jdk.SocketRead Event

Label: Socket Read
Description: Reading data from a socket
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
host String
address String
port int
timeout long Timespan
bytesRead long DataAmount Number of bytes read from the socket
endOfStream boolean If end of stream was reached


jdk.SocketWrite Event

Label: Socket Write
Description: Writing data to a socket
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
host String
address String
port int
bytesWritten long DataAmount Number of bytes written to the socket


jdk.StringFlag Event

Label: String Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value String
origin String


jdk.StringFlagChanged Event

Label: String Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue String
newValue String
origin String


jdk.SweepCodeCache Event

Label: Sweep Code Cache
Description:
Categories: Java Virtual Machine, Code Sweeper

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
sweepId int
sweptCount int Unsigned
flushedCount int Unsigned
zombifiedCount int Unsigned


jdk.SystemProcess Event

Label: System Process
Description:
Categories: Operating System

Attributes
Name Type ContentType Description
startTime long Timestamp
pid String
commandLine String


jdk.TLSHandshake Event

Label: TLS Handshake
Description: Parameters used in TLS Handshake
Categories: Java Development Kit, Security

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
peerHost String
peerPort int
protocolVersion String
cipherSuite String
certificateId long Peer Certificate Id


jdk.TenuringDistribution Event

Label: Tenuring Distribution
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
gcId int Unsigned
age int Unsigned
size long Unsigned


jdk.ThreadAllocationStatistics Event

Label: Thread Allocation Statistics
Description:
Categories: Java Application, Statistics

Attributes
Name Type ContentType Description
startTime long Timestamp
allocated long Unsigned Approximate number of bytes allocated since thread start
thread Thread


jdk.ThreadCPULoad Event

Label: Thread CPU Load
Description:
Categories: Operating System, Processor

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
user float Percentage User mode thread CPU load
system float Percentage System mode thread CPU load


jdk.ThreadContextSwitchRate Event

Label: Thread Context Switch Rate
Description:
Categories: Operating System, Processor

Attributes
Name Type ContentType Description
startTime long Timestamp
switchRate float Frequency Number of context switches per second


jdk.ThreadDump Event

Label: Thread Dump
Description:
Categories: Java Virtual Machine, Runtime

Attributes
Name Type ContentType Description
startTime long Timestamp
result String


jdk.ThreadEnd Event

Label: Java Thread End
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
thread Thread


jdk.ThreadPark Event

Label: Java Thread Park
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
parkedClass Class
timeout long Timespan
until long Timestamp
address long Unsigned


jdk.ThreadSleep Event

Label: Java Thread Sleep
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
time long Timespan


jdk.ThreadStart Event

Label: Java Thread Start
Description:
Categories: Java Application

Attributes
Name Type ContentType Description
startTime long Timestamp
eventThread Thread Thread in which event was committed in
thread Thread


jdk.UnsignedIntFlag Event

Label: Unsigned Int Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value int Unsigned
origin String


jdk.UnsignedIntFlagChanged Event

Label: Unsigned Int Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue int Unsigned
newValue int Unsigned
origin String


jdk.UnsignedLongFlag Event

Label: Unsigned Long Flag
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
value long Unsigned
origin String


jdk.UnsignedLongFlagChanged Event

Label: Unsigned Long Flag Changed
Description:
Categories: Java Virtual Machine, Flag

Attributes
Name Type ContentType Description
startTime long Timestamp
name String
oldValue long Unsigned
newValue long Unsigned
origin String


jdk.X509Certificate Event

Label: X509 Certificate
Description: Details of X.509 Certificate parsed by JDK
Categories: Java Development Kit, Security

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
algorithm String
serialNumber String
subject String
issuer String
keyType String
keyLength int
certificateId long
validFrom long Timestamp
validUntil long Timestamp


jdk.X509Validation Event

Label: X509 Validation
Description: Serial numbers from X.509 Certificates forming chain of trust
Categories: Java Development Kit, Security

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
stackTrace StackTrace Stack Trace starting from the method the event was committed in
certificateId long
certificatePosition int Certificate position in chain of trust, 1 = trust anchor
validationCounter long


jdk.YoungGarbageCollection Event

Label: Young Garbage Collection
Description: Extra information specific to Young Garbage Collections
Categories: Java Virtual Machine, GC, Collector

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
gcId int Unsigned
tenuringThreshold int Unsigned


jdk.YoungGenerationConfiguration Event

Label: Young Generation Configuration
Description: The configuration of the young generation of the garbage collected heap
Categories: Java Virtual Machine, GC, Configuration

Attributes
Name Type ContentType Description
startTime long Timestamp
minSize long Unsigned
maxSize long Unsigned
newRatio int Unsigned The size of the young generation relative to the tenured generation


jdk.ZPageAllocation Event

Label: ZPage Allocation
Description: Allocation of a ZPage
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
pageSize long Unsigned
usedAfter long Unsigned
freeAfter long Unsigned
inCacheAfter long Unsigned
nonBlocking boolean
noReserve boolean


jdk.ZStatisticsCounter Event

Label: Z Statistics Counter
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
id String
increment long Unsigned
value long Unsigned


jdk.ZStatisticsSampler Event

Label: Z Statistics Sampler
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
id String
value long Unsigned


jdk.ZThreadPhase Event

Label: ZGC Thread Phase
Description:
Categories: Java Virtual Machine, GC, Detailed

Attributes
Name Type ContentType Description
startTime long Timestamp
duration long Timespan
eventThread Thread Thread in which event was committed in
gcId int Unsigned
name String


boolean Type

Label:
Description:

Attributes
Name Type ContentType Description


byte Type

Label:
Description:

Attributes
Name Type ContentType Description


char Type

Label:
Description:

Attributes
Name Type ContentType Description


double Type

Label:
Description:

Attributes
Name Type ContentType Description


float Type

Label:
Description:

Attributes
Name Type ContentType Description


int Type

Label:
Description:

Attributes
Name Type ContentType Description


long Type

Label:
Description:

Attributes
Name Type ContentType Description


short Type

Label:
Description:

Attributes
Name Type ContentType Description


Class Type

Label: Java Class
Description:

Attributes
Name Type ContentType Description
classLoader ClassLoader
name String
package Package
modifiers int


String Type

Label:
Description:

Attributes
Name Type ContentType Description


Thread Type

Label: Thread
Description:

Attributes
Name Type ContentType Description
osName String
osThreadId long
javaName String
javaThreadId long
group ThreadGroup


CalleeMethod Type

Label:
Description:

Attributes
Name Type ContentType Description
type String
name String
descriptor String


ClassLoader Type

Label: Java Class Loader
Description:

Attributes
Name Type ContentType Description
type Class
name String


CodeBlobType Type

Label: Code Blob Type
Description:

Attributes
Name Type ContentType Description
type String


CompilerPhaseType Type

Label: Compiler Phase Type
Description:

Attributes
Name Type ContentType Description
phase String


CopyFailed Type

Label:
Description:

Attributes
Name Type ContentType Description
objectCount long Unsigned
firstSize long Unsigned
smallestSize long Unsigned
totalSize long Unsigned


FlagValueOrigin Type

Label: Flag Value Origin
Description:

Attributes
Name Type ContentType Description
origin String


FrameType Type

Label: Frame type
Description:

Attributes
Name Type ContentType Description
description String


G1EvacuationStatistics Type

Label:
Description:

Attributes
Name Type ContentType Description
gcId int Unsigned
allocated long Unsigned Total memory allocated by PLABs
wasted long Unsigned Total memory wasted within PLABs due to alignment or refill
used long Unsigned Total memory occupied by objects within PLABs
undoWaste long Unsigned Total memory wasted due to allocation undo within PLABs
regionEndWaste long Unsigned Total memory wasted at the end of regions due to refill
regionsRefilled int Unsigned Total memory wasted at the end of regions due to refill
directAllocated long Unsigned Total memory allocated using direct allocation outside of PLABs
failureUsed long Unsigned Total memory occupied by objects in regions where evacuation failed
failureWaste long Unsigned Total memory left unused in regions where evacuation failed


G1HeapRegionType Type

Label: G1 Heap Region Type
Description:

Attributes
Name Type ContentType Description
type String


G1YCType Type

Label: G1 YC Type
Description:

Attributes
Name Type ContentType Description
type String


GCCause Type

Label: GC Cause
Description:

Attributes
Name Type ContentType Description
cause String


GCName Type

Label: GC Name
Description:

Attributes
Name Type ContentType Description
name String


GCThresholdUpdater Type

Label: GC Threshold Updater
Description:

Attributes
Name Type ContentType Description
updater String


GCWhen Type

Label: GC When
Description:

Attributes
Name Type ContentType Description
when String


InflateCause Type

Label: Inflation Cause
Description:

Attributes
Name Type ContentType Description
cause String


MetadataType Type

Label: Metadata Type
Description:

Attributes
Name Type ContentType Description
type String


MetaspaceObjectType Type

Label: Metaspace Object Type
Description:

Attributes
Name Type ContentType Description
type String


MetaspaceSizes Type

Label:
Description:

Attributes
Name Type ContentType Description
committed long Unsigned Committed memory for this space
used long Unsigned Bytes allocated by objects in the space
reserved long Unsigned Reserved memory for this space


Method Type

Label: Java Method
Description:

Attributes
Name Type ContentType Description
type Class
name String
descriptor String
modifiers int
hidden boolean


Module Type

Label: Module
Description:

Attributes
Name Type ContentType Description
name String
version String
location String
classLoader ClassLoader


NarrowOopMode Type

Label: Narrow Oop Mode
Description:

Attributes
Name Type ContentType Description
mode String


NetworkInterfaceName Type

Label: Network Interface
Description:

Attributes
Name Type ContentType Description
networkInterface String Network Interface Name


ObjectSpace Type

Label:
Description:

Attributes
Name Type ContentType Description
start long Unsigned Start address of the space
end long Unsigned End address of the space
used long Unsigned Bytes allocated by objects in the space
size long Unsigned Size of the space


OldObject Type

Label: Old Object
Description:

Attributes
Name Type ContentType Description
address long Unsigned
type Class
description String Object description
referrer Reference Object referencing this object


OldObjectArray Type

Label: Old Object Array
Description:

Attributes
Name Type ContentType Description
size int Size of array
index int Index in the array


OldObjectField Type

Label: Old Object Field
Description:

Attributes
Name Type ContentType Description
name String Name of field
modifiers short Field modifiers


OldObjectGcRoot Type

Label: GC Root
Description:

Attributes
Name Type ContentType Description
description String Root information
system String The subsystem of origin for the root
type String The root type


OldObjectRootSystem Type

Label: GC Root System
Description:

Attributes
Name Type ContentType Description
system String


OldObjectRootType Type

Label: GC Root Type
Description:

Attributes
Name Type ContentType Description
type String


Package Type

Label: Package
Description:

Attributes
Name Type ContentType Description
name String
module Module
exported boolean


Reference Type

Label: Reference
Description:

Attributes
Name Type ContentType Description
array OldObjectArray Array or null if it is not an array
field OldObjectField Field or null if it is an array
object OldObject Object holder for this reference
skip int The object is this many hops away


ReferenceType Type

Label: Reference Type
Description:

Attributes
Name Type ContentType Description
type String


StackFrame Type

Label:
Description:

Attributes
Name Type ContentType Description
method Method
lineNumber int
bytecodeIndex int
type String


StackTrace Type

Label: Stacktrace
Description:

Attributes
Name Type ContentType Description
truncated boolean
frames StackFrame


Symbol Type

Label: Symbol
Description:

Attributes
Name Type ContentType Description
string String


ThreadGroup Type

Label: Thread Group
Description:

Attributes
Name Type ContentType Description
parent ThreadGroup
name String


ThreadState Type

Label: Java Thread State
Description:

Attributes
Name Type ContentType Description
name String


VMOperationType Type

Label: VM Operation Type
Description:

Attributes
Name Type ContentType Description
type String


VirtualSpace Type

Label:
Description:

Attributes
Name Type ContentType Description
start long Unsigned Start address of the virtual space
committedEnd long Unsigned End address of the committed memory for the virtual space
committedSize long Unsigned Size of the committed memory for the virtual space
reservedEnd long Unsigned End address of the reserved memory for the virtual space
reservedSize long Unsigned Size of the reserved memory for the virtual space


ZStatisticsCounterType Type

Label: Z Statistics Counter
Description:

Attributes
Name Type ContentType Description
counter String


ZStatisticsSamplerType Type

Label: Z Statistics Sampler
Description:

Attributes
Name Type ContentType Description
sampler String


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