[Intel-gfx] [PATCH v6 3/3] drm/i915: Predictive governor to control slice/subslice/eu

[Tvrtko Ursulin]

On 26/11/2019 13:21, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2019-11-26 11:31:14)
>>
>> On 26/11/2019 11:09, Chris Wilson wrote:
>>> Also given Tvrtko's stats, this could all be done from userspace with an
>>> extended CONTEXT_PARAM_SSEU, so why would we not do it that way?
>>
>> You mean patching and recompiling userspace? I don't think that would
>> work for them.
> 
> No. I was thinking about some proof-of-concept userspace daemon using
> per-context stats and tuning each context from a timer. Almost exactly
> as proposed here, but it would be very nice validation that our kernel
> API are not getting in the way of userspace creativity. :)
> 
> But who am I to talk, I think C is a scripting language ;)

Ah, I overlooked you wrote _extended_ CONTEXT_PARAM_SSEU.

Regards,

Tvrtko