CPU
Monitor per-core and aggregated CPU usage ratios including user, system, idle, I/O wait, and virtualization overhead. The agent collects per-core and aggregated CPU usage ratios to help monitor system performance.
Metrics
| Metric | Description |
|---|---|
cpu_user_ratio |
Time spent in user mode |
cpu_system_ratio |
Time spent in system/kernel mode |
cpu_idle_ratio |
Idle time |
cpu_nice_ratio |
Time spent on low-priority processes |
cpu_iowait_ratio |
Time waiting for I/O operations |
cpu_irq_ratio |
Time servicing hardware interrupts |
cpu_softirq_ratio |
Time servicing software interrupts |
cpu_steal_ratio |
Time stolen by hypervisor |
cpu_guest_ratio |
Time running a guest OS |
cpu_guestNice_ratio |
Time running a low-priority guest OS |
Tags
cpu:total→ all cores aggregatedcpu{n}→ individual core (e.g.,cpu0,cpu1, …)