[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] perfc: count number of explicit vcpu yields
On Mon, 2015-11-09 at 10:02 -0500, Boris Ostrovsky wrote: > 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. > Right, I just wanted to be sure (I've planned to familiarize with that work, but haven't got to doing it yet). > As far as xl accessibility --- doesn't xenperf already read them out? > Mmm... ISTR having tried without much luck, and having heard that it wasn't functional any longer, but maybe I'm confusing it with something else. I'll try again. Thanks and Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) Attachment:
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