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

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?


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