[virt-tools-list] How is CPU Usage % Calculated

Tyrel Datwyler tyreld at linux.vnet.ibm.com
Tue Sep 28 23:27:02 UTC 2010

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Hi,

Can anybody tell me how virt-manager calculates CPU Usage %? I'm
assuming the difference in cpuTime obtained from libvirt for a virtual
server over some interval.

cpuTime2 - cpuTime1 / sample interval

Regards,

Tyrel

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