[Intel-gfx] [igt-dev] [PATCH i-g-t 3/3] igt/gem_sync: Exercising waiting while keeping the GPU busy

Chris Wilson chris at chris-wilson.co.uk
Tue Aug 14 18:27:14 UTC 2018


Quoting Antonio Argenziano (2018-08-10 19:11:02)
> 
> 
> On 10/08/18 10:51, Chris Wilson wrote:
> > Quoting Antonio Argenziano (2018-08-10 18:41:22)
> >> How does the test fail if the sync goes wrong? Hang detector on the
> >> queued batch?
> > 
> > We have a hang detector for both missed wakeups and GPU hangs. As tests
> > goes it's fairly tame, but in essence this entire file is about trying
> > to trick the HW+driver into not sending an interrupt back to userspace.
> > Just a very narrow stress test, over and over again from slightly
> > different angles.
> 
> I see.
> 
> Reviewed-by: Antonio Argenziano <antonio.argenziano at intel.com>

Was that a general r-b for the very similar series or just this last
patch?
-Chris


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