Re: [Xen-devel] [PATCH] perfc: count number of explicit vcpu yields

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 11/09/2015 09:53 AM, Dario Faggioli wrote:
> On Mon, 2015-11-09 at 14:00 +0000, Ian Campbell wrote:
> > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Reviewed-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
>
> And, while we're here, I've been thinking since a while to try
> implementing an xl interface for these counters... How bad of an idea
> is that?
>
> Is something like that possible already via Boris' PMU work?
VPMU only covers CPU's hardware counters and this patch deals with 
software events in the hypervisor.
As far as xl accessibility --- doesn't xenperf already read them out?


-boris

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