Re: kvm somehow exempt from frequency scaling?

Avi Kivity
2007-04-12T13:59:40Z

David Abrahams wrote:
> on Thu Apr 12 2007, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w-AT-public.gmane.org> wrote:
>
>
>> David Abrahams wrote:
>>
>>
>>
>>
>>>>> Newsflash: yes, it does. The VM keeps using cycles at a normal rate
>>>>> even when not on a visible workspace. This problem appears to be
>>>>> KVM-specific.
>>>>>
>>>>>
>>>>>
>>>> Amazing.
>>>>
>>>> Can you strace a hung vm and post the log?
>>>>
>>>>
>>> If you can tell me how, I'll be happy to try anything you like.
>>>
>>>
>>>
>> do a
>>
>> strace -ttT -o /tmp/log -p pid-of-qemu-process
>>
>> and post /tmp/log.
>>
>
>
> Here's about 5 seconds of strace:
>

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.

--
error compiling committee.c: too many arguments to function