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[Xen-devel] Re: DomU Powernow question

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: DomU Powernow question
From: Christian Roessner <christian@xxxxxxxxxxxxxxxx>
Date: 2006年6月15日 14:12:31 +0200
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Hi,
Keir Fraser schrieb:
>
> On 15 Jun 2006, at 11:38, Christian Roessner wrote:
>
>> My question is, why the cpu frequency in dom0 ist not jumping to 2GHz,
>> if the cpu usage inside a domU is very high?
>
> I'm not sure what triggers frequency changes in the dom0 kernel. It is
> probably not accounting for work done in other domains. That would
> likely require a new policy kernel module, or a user-space daemon to
> gather stats from other domains.
As someone who really does not know anything about the hypervisor, I may
ask, why the scaling stuff is not done by the hypervisor?
-- 
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