Re: kvm somehow exempt from frequency scaling?

David Abrahams
2007-04-24T00:17:04Z

on Mon Apr 16 2007, David Abrahams <dave-UB3wUj7V41K5azolltMz9laTQe2KTcn/-AT-public.gmane.org> wrote:

> on Thu Apr 12 2007, David Abrahams <dave-UB3wUj7V41K5azolltMz9laTQe2KTcn/-AT-public.gmane.org> wrote:
>
>> on Thu Apr 12 2007, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w-AT-public.gmane.org> wrote:
>>
>>> qemu is getting cpu time, but not calling into kvm.
>>>
>>> I'll try to reproduce this locally, right now I'm completely bewildered
>>> by this.
>>
>> FYI, if I listen to the radio in windows media player, I don't see the
>> effect. KVM will take 18% or so of the CPU even when not on a visible
>> workspace.
>
> And since ubuntu's update to kvm 1:16-1ubuntu2, I can't see the effect
> at all, no matter what I do.

I take it back. If I launch kvm and switch to another desktop
immediately, I can come back a seemingly arbitrary amount of time
later and it will not have finished booting. It also never seems to
force the CPU frequency to 100%. AFAICT I am seeing exactly what I
was seeing before.

--
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com

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