From: Matthias Meier <matthias.j.meier@gmx.net>
To: Christoph Mathys <eraserix@gmail.com>,
Linux RT Users <linux-rt-users@vger.kernel.org>
Subject: Re: [4.1.7-rt8][report] Very high cyclictest latency during glmark2 on i915 gpu
Date: Wed, 14 Oct 2015 09:51:12 +0200 [thread overview]
Message-ID: <561E0970.8050007@gmx.net> (raw)
In-Reply-To: <CALqGcGpLJ+x_Gg7i4W4UCe4+GJEfdFNo-UryyOyQZJ1q5AAWJQ@mail.gmail.com>
> When running cyclictest and the opengl benchmark tool glmark2 I see
> pretty severe latency spikes of about 1.8 milliseconds with kernel
> 4.1.7-rt8.
is there a high interrupt rate on '/proc/interrupts' during glmark2
running compared to the other kernels?
Regards
Matthias
next prev parent reply other threads:[~2015-10-14 7:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 15:35 [4.1.7-rt8][report] Very high cyclictest latency during glmark2 on i915 gpu Christoph Mathys
2015-10-14 7:51 ` Matthias Meier [this message]
2015-10-14 8:42 ` Christoph Mathys
2015-10-14 9:08 ` Christoph Mathys
2015-10-16 20:36 ` Josh Cartwright
2015-10-17 10:59 ` Thomas Gleixner
2015-12-21 13:19 ` Christoph Mathys
2015-12-22 15:37 ` Sebastian Andrzej Siewior
2015-12-23 12:40 ` Christoph Mathys
2016-01-05 14:38 ` [Intel-gfx] " Daniel Vetter
2016-01-05 14:41 ` Daniel Vetter
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