Re: KVM PMU virtualization

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On Fri, 2010-02-26 at 16:53 +0200, Avi Kivity wrote:
> > If you give a full PMU to a guest it's a whole different dimension and quality
> > of information. Literally hundreds of different events about all sorts of
> > aspects of the CPU and the hardware in general.
> >    
> 
> Well, we filter out the bad events then. 

Which requires trapping the MSR access, at which point a soft-PMU is
almost there, right?

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