Build: (29e37c1) Merge pull request #382 from kubevirt/gh_actions/update_metrics_docs

Update metrics documentation

Author: sradco

metrics.md

@@ -62,6 +62,7 @@ The following table contains all metrics from operators listed above. Each row r
 | kubevirt | `kubevirt_vmi_guest_load_15m` | Metric | Gauge | Guest system load average over 15 minutes as reported by the guest agent. Load is defined as the number of processes in the runqueue or waiting for disk I/O. Requires qemu-guest-agent version 10.0.0 or above. |
 | kubevirt | `kubevirt_vmi_guest_load_1m` | Metric | Gauge | Guest system load average over 1 minute as reported by the guest agent. Load is defined as the number of processes in the runqueue or waiting for disk I/O. Requires qemu-guest-agent version 10.0.0 or above. |
 | kubevirt | `kubevirt_vmi_guest_load_5m` | Metric | Gauge | Guest system load average over 5 minutes as reported by the guest agent. Load is defined as the number of processes in the runqueue or waiting for disk I/O. Requires qemu-guest-agent version 10.0.0 or above. |
+| kubevirt | `kubevirt_vmi_guest_os_panic_total` | Metric | Counter | Total number of guest OS panic events detected, partitioned by VMI and panic type. |
 | kubevirt | `kubevirt_vmi_info` | Metric | Gauge | Information about VirtualMachineInstances. |
 | kubevirt | `kubevirt_vmi_last_api_connection_timestamp_seconds` | Metric | Gauge | Virtual Machine Instance last API connection timestamp. Including VNC, console, portforward, SSH and usbredir connections. |
 | kubevirt | `kubevirt_vmi_launcher_memory_overhead_bytes` | Metric | Gauge | Estimation of the memory amount required for virt-launcher's infrastructure components (e.g. libvirt, QEMU). |