[Intel-gfx] [PATCH i-g-t] igt/gem_fence_upload: Stabilise the test for CI

[Chris Wilson]

On Wed, May 31, 2017 at 11:28:07AM +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Most of the subtest were failing on my SKL GT2 and on the
> various CI systems as well. Try to fix that by different
> tweaks per subtests:
> 
> performance:
> 
> We cannot say how big the performance drop will be once the
> fences are contented, just that there will be one, so modify
> the assert accordingly.

No. The goal is that the contention is not noticeable. Asserting that
contention is inevitable is baking in a kernel bug instead of fixing the
kernel.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre