CPU Metrics
| Metric Name | Description | Basic or Server Visibility | Windows | Linux | Solaris | AIX | Default Monitoring Mode |
|---|---|---|---|---|---|---|---|
| %Idle | Percentage of time the CPU was idle; the CPU had completed its tasks and has nothing to do. | Basic | | | | | Diagnostic |
| %Busy |
Percentage of time the CPU was busy processing system or user requests; this metric includes CPU Stolen time. | Basic | | | | | KPI |
| %Stolen4 |
Usually, stolen time is the percentage of time a virtual CPU waits for a real CPU while the hypervisor is servicing another virtual processor. | Basic | | | | | KPI |
| %Nice | Percentage of CPU time spent on low priority processes. | Server Visibility | | | | | Advanced |
| System |
Percentage of time the CPU was busy processing kernel code. | Server Visibility | | | | | KPI |
| User |
Percentage of time the CPU was busy processing non-kernel code. | Server Visibility | | | | | KPI |
| IOWait |
Percentage of CPU time spent waiting for an I/O request. | Server Visibility | | | |
| KPI |
| %Irq | Percentage of CPU time spent servicing hardware interrupts. | Server Visibility | | | | | Diagnostic |
| %SoftIrq | Percentage of CPU time spent servicing software interrupts. | Server Visibility | | | | | Advanced |
| %Busy 95th Percentile2 |
The CPU %Busy percentage was at this level or lower 95% of the time. | Server Visibility | | | | | KPI |
| IOWait 95th Percentile2 | The CPU %Busy percentage was at this level or lower 95% of the time. | Server Visibility | | | | | KPI |
1See Linux Kernel Processes.
2See Percentile Metric Reporting must be Enabled.
3See Default Monitoring Mode.