[Intel-gfx] [igt-dev] [PATCH i-g-t 0/2] tests/i915/perf: Add stress / race exercises

Dixit, Ashutosh ashutosh.dixit at intel.com
Tue Jan 31 16:19:48 UTC 2023


On Tue, 31 Jan 2023 01:17:29 -0800, Janusz Krzysztofik wrote:
>

Hi Janusz,

> Users reported oopses on list corruptions when using i915 perf with a
> number of concurrently running graphics applications.  That indicates we
> are currently missing some important tests for such scenarios.  Cover
> that gap.

Do these oops etc. have anything to do with perf itself or rather with
persistence or non-persistence not properly supported with GuC? We should
have seen such failures with persistence tests (with GuC) itself so I am
wondering if there's any point of dragging perf into these already muddy
waters? Such failures should be isolated first with other tests without
mixing perf into this IMO.

Thanks.
--
Ashutosh


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