[Xen-users] HVM 100% cpu

["Marconi Rivello" <marconirivello@xxxxxxxxx>]

Hi there,

I've noticed a strange behaviour: I have a windows 2003 vm using 4 vcpus. In xm top, it says the vm is using 399% cpu. But inside the win vm, I see only around 2% cpu use.

Is that supposed to be that way? What is really happening? Are those physical cpus (cores) really being 100% used? If I have 8 cores, and I set 2 or 3 vms with 4 vcpus each, will that annihilate performance, even though the vms are idle?


Thanks.
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