Spotlight on SQL Server Enterprise 11.7 - Management Pack for SCOM User Guide

Hyper-V CPU wait time per dispatch alarm

The CPU wait time per dispatch alarm alarm is raised when the average queue time for the virtual machine waiting for CPU to become available exceeds a threshold.

The average queue time should remain under 60,000ns. This alarm is raised when the average queue time exceeds 60ms. A high alarm is raised when the average queue time exceeds 100ms.

When the alarm is raised

There is CPU starvation.

• Look at the Windows Server | CPU Drilldown | Virtualized CPU page | CPU wait time per dispatch chart.
• See your Hyper-V administrator for ways to address this issue.