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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: 嵌入式工程师 <ericvic@163.com>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] x86 with xenomai patch
Date: Wed, 08 Jan 2014 09:17:24 +0100	[thread overview]
Message-ID: <52CD0994.9050303@xenomai.org> (raw)
In-Reply-To: <45f0b39a.14947.1436fa4b0b8.Coremail.ericvic@163.com>

On 01/08/2014 03:18 AM, 嵌入式工程师 wrote:
> I use kernal-3.4.6 and kernal-3.8.13 with xenomai-2.6.3 x86 patches .
> (...)
> Kernel has been compiled. But when I use xenomai source package
> generates real-time testing tools to test.The latency tools works
> well with no load. But when I start the opengl tools gfxgears the
> real-time will be very bad  with kernal mode priority  99  100us。 I
> do not kenow where I have been wrong.

If you are using the graphic chip integrated into Intel processors, 
this has only be fixed recently in the kernel (it works on 3.10, but 
not on older kernel). If you want to stay with 3.4, see:

http://www.xenomai.org/documentation/xenomai-2.6/html/TROUBLESHOOTING/#_the_latency_test_shows_high_latencies

-- 
                                                                Gilles.


  reply	other threads:[~2014-01-08  8:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-08  2:18 [Xenomai] x86 with xenomai patch 嵌入式工程师
2014-01-08  8:17 ` Gilles Chanteperdrix [this message]
2014-01-10  5:10   ` 嵌入式工程师
2014-01-08  9:23 ` Philippe Gerum
2014-09-04  8:35   ` eric
2014-09-04  8:38   ` eric

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