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[Xen-devel] Re: DomU Powernow question
| To: | Christian Roessner <christian@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: DomU Powernow question |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Thu, 15 Jun 2006 13:05:32 +0100 |
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| Delivery-date: | Thu, 15 Jun 2006 05:05:45 -0700 |
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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. Second question: If in dom0, which value is showing the correct information: the frequency or the bogomips? Normally the latter would change, if the frequency changes. Not so in dom0? Why? The code to recompute bogomips is in a file that is not compiled for Xen. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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