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

[Riana Tauro]

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.

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