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Testing VM PMU Event Collection

Before installing the perf tool, you need to configure the Yum repository on the VM.

  1. Start and log in to the VM.
    1
    		 
    virsh start <vmname> --console
  2. Install the perf tool.
    1
    		 
    yum -y install perf
  3. Collect basic VM kernel events for 10 seconds. If the following information is displayed, the PMU virtualization feature has been enabled.
    1
    		 
    perf stat -a sleep 10