From: Ian Romanick <idr@us.ibm.com>
To: Linux Kernel M/L <linux-kernel@vger.kernel.org>
Subject: Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48
Date: Wed, 23 May 2007 11:22:51 -0700 [thread overview]
Message-ID: <4654867B.1060509@us.ibm.com> (raw)
In-Reply-To: <1179907115.7699.271.camel@frg-rhel40-em64t-04>
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Xavier Bestel wrote:
> On Wed, 2007-05-23 at 07:23 +0200, Michael Gerdau wrote:
>> For me the huge difference you have for sd to the others increases the
>> likelyhood the glxgears benchmark does not measure scheduling of graphic
>> but something else.
>
> I think some people forget that X11 has its own scheduler for graphics
> operations.
And in the direct-rendering case, this scheduler is not used for OpenGL.
The client-side driver submits rendering commands directly to its
kernel module. It is possible that some kernel modules perform some
sort of scheduling, but none of the open-source drivers implement such a
thing.
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next prev parent reply other threads:[~2007-05-23 18:28 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-19 20:02 Sched - graphic smoothness under load - cfs-v13 sd-0.48 Bill Davidsen
2007-05-19 20:22 ` Ray Lee
2007-05-20 0:44 ` Bill Davidsen
2007-05-20 6:12 ` Michael Gerdau
2007-05-20 6:30 ` Ray Lee
2007-05-20 6:59 ` Michael Gerdau
2007-05-20 7:20 ` Ray Lee
2007-05-20 6:55 ` Ray Lee
2007-05-21 18:27 ` Matt Keenan
2007-05-19 20:36 ` Diego Calleja
2007-05-19 20:55 ` Ray Lee
2007-05-19 23:21 ` Mike Galbraith
2007-05-20 16:29 ` Miguel Figueiredo
2007-05-20 16:44 ` Ray Lee
2007-05-20 16:58 ` Miguel Figueiredo
2007-05-20 17:19 ` Ray Lee
2007-05-22 17:55 ` Bill Davidsen
2007-05-22 20:01 ` Miguel Figueiredo
2007-05-23 0:28 ` Bill Davidsen
2007-05-23 13:10 ` Bill Davidsen
2007-05-23 18:29 ` Miguel Figueiredo
2007-05-23 20:45 ` Bill Davidsen
2007-05-23 21:03 ` Miguel Figueiredo
2007-05-24 0:36 ` Con Kolivas
2007-05-23 4:06 ` William Lee Irwin III
2007-05-23 5:23 ` Michael Gerdau
2007-05-23 7:58 ` Xavier Bestel
2007-05-23 8:21 ` Bill Huey
2007-05-23 18:22 ` Ian Romanick [this message]
2007-05-23 18:43 ` Xavier Bestel
2007-05-23 17:22 ` Bill Davidsen
2007-05-23 16:59 ` Bill Davidsen
2007-05-22 17:22 ` Bill Davidsen
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