Re: [Xen-devel] Is: axe read_tscp pvops call. Was: Re: [RFC] ACPIS3 and Xen (suprisingly small\!).

From: David Vrabel
Date: Thu Oct 18 2012 - 14:02:00 EST

On 18/10/12 18:42, Konrad Rzeszutek Wilk wrote:
>> As for 'perf', since Xen already provides a virtual PMU for HVM guests
>> It's not clear why we would spend the effort to implement another
>> mechanism for PV guests (instead of using the virtual PMU from a PVH guest).
> Would that allow one to evaluate the performance/bottlenecks that the
> hypervisor might have?

Not right now, no. But I don't so why it couldn't be possible.


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