[Intel-gfx] [Intel-gfx 1/1] drm/i915/guc: Don't update engine busyness stats too frequently

[Tvrtko Ursulin]

On 17/06/2022 22:43, Teres Alexis, Alan Previn wrote:
> 
>>>> Not updating the driver state in park will not negatively impact
>>>> accuracy in some scenarios? That needs to balanced against the
>>>> questions whether or not there are real world scenarios impacted by
>>>> the update cost or it is just for IGT.
>>>
> If i understand it correctly (how its calculated), no. not capturing on every park/unpark
> does not mean less accuracy. Umesh mentioned to verify that with igt at perf-pmu@accuracy
> tests

Okay you moved it from guc_update_engine_gt_clks to 
intel_guc_busyness_park to work around the loss of accuracy. I almost 
missed it since patch itself has not changelog. Works for me if Umesh 
approves it is correct.

Regards,

Tvrtko