Re: [Intel-gfx] [PATCH 1/7] drm/i915/selftests: Smoketest preemption

2018-09-25 Thread Tvrtko Ursulin
On 25/09/2018 11:17, Chris Wilson wrote: Quoting Tvrtko Ursulin (2018-09-25 10:39:06) On 25/09/2018 09:31, Chris Wilson wrote: Very light stress test to bombard the submission backends with a large stream with requests of randomly assigned priorities. Preemption will be occasionally requested

Re: [Intel-gfx] [PATCH 1/7] drm/i915/selftests: Smoketest preemption

2018-09-25 Thread Chris Wilson
Quoting Tvrtko Ursulin (2018-09-25 10:39:06) > > On 25/09/2018 09:31, Chris Wilson wrote: > > Very light stress test to bombard the submission backends with a large > > stream with requests of randomly assigned priorities. Preemption will be > > occasionally requested, but never succeed! > > Why

Re: [Intel-gfx] [PATCH 1/7] drm/i915/selftests: Smoketest preemption

2018-09-25 Thread Tvrtko Ursulin
On 25/09/2018 09:31, Chris Wilson wrote: Very light stress test to bombard the submission backends with a large stream with requests of randomly assigned priorities. Preemption will be occasionally requested, but never succeed! Why won't it ever succeed? By design or because test is targetting

[Intel-gfx] [PATCH 1/7] drm/i915/selftests: Smoketest preemption

2018-09-25 Thread Chris Wilson
Very light stress test to bombard the submission backends with a large stream with requests of randomly assigned priorities. Preemption will be occasionally requested, but never succeed! v2: Include a second pattern with more frequent preemption Signed-off-by: Chris Wilson Cc: MichaƂ Winiarski