Re: SCHED_ULE on desktop system

From: Marc Fonvieille <blackend_at_freebsd.org>
Date: Mon, 1 Oct 2007 22:07:00 +0200
On Mon, Oct 01, 2007 at 12:51:59PM -0700, David E. Thiel wrote:
> On Mon, Oct 01, 2007 at 08:54:54PM +0200, Marc Fonvieille wrote:
> > I use nvidia or nv driver (nvidia one is a bit less worse).  The lag can
> > even appears with 4% of CPU usage according to top(1).
> > Thanks to your remarks and my tests, I'm now sure it's scheduler
> > independent.  It seems 7-CURRENT is slower than 6.X regarding I/O :(
> > For info the box is a 1.2GHz Athlon with 1GB of RAM and swap is never
> > used.
> 
> This may sound like a silly question, but what terminal emulator are you
> using? I found that xfce's Terminal gave me awful performance, taking a
> really long time to redraw, but xterm and roxterm sped things up a lot. I
> think for me part of this is related to the nvidia driver breakage with
> the new Xorg. Can you see if you can duplicate that behavior with xterm?
>

I use x11/rxvt-devel but the lag also exists on Xorg 7.2.  I feel it has
nothing to do with Xorg.
On other hand, it's true any GTK based application is most of time worse
in term of performance.  Building a port can freeze or slow down
webpages loading in Firefox...

-- 
Marc
Received on Mon Oct 01 2007 - 18:07:20 UTC

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