Re: [PATCH v9 0/2] drm/xe/pmu: Enable PMU interface

["Dixit, Ashutosh" <ashutosh.dixit@intel.com>]

On Thu, 13 Jun 2024 22:50:39 -0700, Riana Tauro wrote:
>
> Hi Ashutosh
>
> On 6/14/2024 12:09 AM, Dixit, Ashutosh wrote:
> > On Thu, 13 Jun 2024 03:04:09 -0700, Riana Tauro wrote:
> >>
> >
> > Hi Riana,
> >
> >> There are a set of engine group busyness counters provided by HW which are
> >> perfect fit to be exposed via PMU perf events.
> >>
> >> BSPEC: 46559, 46560, 46722, 46729, 52071, 71028
> >>
> >> events can be listed using:
> >> perf list
> >>    xe_0000_03_00.0/any-engine-group-busy-gt0/         [Kernel PMU event]
> >>    xe_0000_03_00.0/copy-group-busy-gt0/               [Kernel PMU event]
> >>    xe_0000_03_00.0/media-group-busy-gt0/              [Kernel PMU event]
> >>    xe_0000_03_00.0/render-group-busy-gt0/             [Kernel PMU event]
> >
> > PMU patches merged previously were dropped in 90a8b23f9b85 ("drm/xe/pmu:
> > Remove PMU from Xe till uapi is finalized") because PMU uapi was expected
> > to change. Why are we re-posting these old patches again now, without
> > including the planned uapi changes?
>
> The uapi changes were dropped and there are no other upcoming changes for
> Group busyness. So re-posted the old series.

What happened to VF busyness (which is why I thought the uapi was going to
change)?

>
> Thanks,
> Riana
> >
> > Thanks.
> > --
> > Ashutosh