このコンテンツは選択した言語では利用できません。
3.9.2. JMX - Threading Service
Overview
Description: | Information on threading in the VM |
Singleton: | yes |
Plugin: | JMX |
Child Resource Types
none
Connection Properties
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.
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.
Configuration Properties
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.
Operations
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 |
Package Types
none