From: Chris Wilson <chris@chris-wilson.co.uk>
To: Tvrtko Ursulin <tursulin@ursulin.net>
Cc: Intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH i-g-t] igt/gem_fence_upload: Stabilise the test for CI
Date: Wed, 31 May 2017 13:45:21 +0100 [thread overview]
Message-ID: <20170531124521.GQ23936@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <20170531102807.10755-1-tvrtko.ursulin@linux.intel.com>
On Wed, May 31, 2017 at 11:28:07AM +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@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
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next prev parent reply other threads:[~2017-05-31 12:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 10:28 [PATCH i-g-t] igt/gem_fence_upload: Stabilise the test for CI Tvrtko Ursulin
2017-05-31 12:45 ` Chris Wilson [this message]
2017-05-31 13:30 ` Tvrtko Ursulin
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