From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: edward.robbins@domain.hid
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Very high latencies under stress testing
Date: Tue, 19 Oct 2010 22:01:51 +0200 [thread overview]
Message-ID: <4CBDF92F.20403@domain.hid> (raw)
In-Reply-To: <1287496324.10921156@domain.hid>
edward.robbins@domain.hid wrote:
> Having disabled MTRR (and leaving in Phillipes patch) I am not
> getting unreasonable latencies unless I enable graphics acceleration.
> Can I be sure this has solved the issue?
Yes, run a long stress test while running latency. The stress test
should stress anything (drivers, kernel services) you plan to use in the
final system.
The way we do this when validating Xenomai is by running the "dohell"
scripts, which relies on LTP to stress many kernel services.
http://git.xenomai.org/?p=mkrootfs.git;a=blob;f=tests/dohell;h=327a9f20755e23547f960e4c316141652f839bbf;hb=master
--
Gilles.
next prev parent reply other threads:[~2010-10-19 20:01 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-13 14:17 [Xenomai-help] Very high latencies under stress testing edward.robbins
2010-08-13 14:35 ` Gilles Chanteperdrix
2010-08-16 12:13 ` edward.robbins
2010-08-16 12:32 ` Gilles Chanteperdrix
2010-09-03 16:30 ` edward.robbins
2010-09-04 8:51 ` Philippe Gerum
2010-10-15 9:21 ` edward.robbins
2010-10-15 11:54 ` edward.robbins
2010-10-15 13:51 ` Gilles Chanteperdrix
2010-10-15 14:13 ` edward.robbins
2010-10-15 14:25 ` Gilles Chanteperdrix
2010-10-15 14:33 ` Philippe Gerum
2010-10-19 13:52 ` edward.robbins
2010-10-19 20:01 ` Gilles Chanteperdrix [this message]
2010-10-23 11:08 ` edward.robbins
2010-10-23 11:13 ` Gilles Chanteperdrix
2010-10-23 11:22 ` edward.robbins
2010-10-23 11:36 ` Gilles Chanteperdrix
2010-10-23 13:45 ` edward.robbins
2010-10-23 13:51 ` Gilles Chanteperdrix
2010-10-23 13:56 ` edward.robbins
2010-10-23 13:58 ` Gilles Chanteperdrix
2010-10-23 14:32 ` edward.robbins
2010-10-23 14:37 ` Gilles Chanteperdrix
2010-10-23 14:48 ` edward.robbins
2010-10-23 15:16 ` edward.robbins
2010-10-23 14:10 ` Gilles Chanteperdrix
2010-08-13 14:40 ` Philippe Gerum
2010-08-13 16:15 ` Philippe Gerum
-- strict thread matches above, loose matches on Subject: below --
2010-10-23 14:54 edward.robbins
2010-10-23 15:37 ` Gilles Chanteperdrix
2010-10-23 16:21 ` edward.robbins
2010-10-23 16:26 ` edward.robbins
2010-10-23 18:46 ` edward.robbins
2010-10-23 21:52 ` Gilles Chanteperdrix
2010-10-24 15:55 ` edward.robbins
2010-10-23 16:13 ` Gilles Chanteperdrix
2010-10-23 16:22 ` Gilles Chanteperdrix
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