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
