Re: kvm somehow exempt from frequency scaling?

Avi Kivity
2007-04-10T07:28:59Z

David Abrahams wrote:
> on Mon Apr 09 2007, Avi Kivity <avi-AT-qumranet.com> wrote:
>
>
>> David Abrahams wrote:
>>
>>> I'm using the ondemand governor on my core duo laptop. Even when kvm
>>> is taking 99% of the CPU, somehow instead of the ondemand governor
>>> kicking it up to 2GHz, the CPU is still running at half speed. What's
>>> up with that? Anybody know?
>>>
>>>
>>>
>> Strange. Does a simple bash busy-loop (while :; do :; done) work?
>>
>
> The frequency goes up to 1.67Ghz.
>
>

Sounds like ondemand is broken.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.