3.9.2. JMX - Threading Service

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Table 3.2216. Overview
Description:	Information on threading in the VM
Singleton:	yes
Plugin:	JMX

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Table 3.2217.
Name	Description	Required	Internal Name
Object Name		yes	objectName
Name Template		yes	nameTemplate

Note

You must use the internal name to reference Configuration Properties in Dynamic Group Definition expressions.

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Table 3.2218. Metrics
Name	Type	Description	Internal Name
Thread Count	measurement	Number of active threads in the system	ThreadCount
Peak Thread Count	measurement	Peak count of active threads in the system	PeakThreadCount
Total Started Thread Count	measurement	Count of threads started since system start	TotalStartedThreadCount
Daemon Thread Count	measurement	Count of threads marked as daemons in the system	DaemonThreadCount
Suspended Thread Count	measurement	Count of suspended threads	SuspendedThreadCount
Deadlocked Thread Count	measurement	Count of threads that are deadlocked waiting to acquire object monitors. This is a CPU-time consuming metric.	DeadLockedThreadCount

Note

You must use the internal name to reference Traits in Dynamic Group Definition expressions.

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Table 3.2219.
Name	Description	Required	Internal Name
Thread Contention Monitoring Enabled		yes	ThreadContentionMonitoringEnabled
Thread Cpu Time Enabled		yes	ThreadCpuTimeEnabled

Note

You must use the internal name to reference Configuration Properties in Dynamic Group Definition expressions.

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Table 3.2220. Metrics
Name	Description
Reset Peak Thread Metrics	Reset the peak number of threads
Find Monitor Deadlocked Threads	Finds cycles of threads that are in deadlock waiting to acquire object monitors
Thread Dump	Returns a summary of all live threads, including both daemon and non-daemon threads

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