[Intel-gfx] [PATCH i-g-t] perf: Flush the work between rounds of gen8-unprivileged-single-ctx-counter

[Lionel Landwerlin]

On 29/04/2020 18:26, Chris Wilson wrote:
> Quoting Lionel Landwerlin (2020-04-29 16:23:34)
>> On 29/04/2020 18:05, Chris Wilson wrote:
>>> Wait until the GPU is idle before starting a fresh round of probing
>>> gen8-unprivileged-single-ctx-counter. This avoids building up a huge
>>> backlog of render copies, hogging buffers and stale contexts, and
>>> invoking the oomkiller.
>>>
>>> v2: Release everything before starting again.
>>>
>>> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>>> Cc: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
>> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> I guess I don't want to hear the answer, but does OA also want to pin
> frequencies?
> -Chris

No, some apps might set it to have consistent results but there is no 
driver/hw requirement to do this.


-Lionel