RE: [Xen-devel] Support for CPU frequency scaling in Xen

["Langsdorf, Mark" <mark.langsdorf@xxxxxxx>]

> > Does Xen provide support for CPU frequency scaling?
> > If there exists such support, from which version they support it?
> 
> In short, yes but YMMV. I saw a few patches on the list that added
> frequency scaling to the hypervisor itself but I don't know the
> current status for that. They should be in xen-unstable.

Currently, only Intel is supported in xen-unstable.  
There's a patch under development for AMD Phenom and
3rd generation Operton (the Barcelona quad-cores) but I
haven't sent it upstream.

Anyone who has a quad-core AMD processor and who is
interested in testing is welcome to email me for the
patch.

-Mark Langsdorf
Operating System Research Center
AMD


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