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Date:      Wed, 28 Jan 2009 15:16:52 +0200
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Vladimir Grebenschikov <vova@parallels.com>
Cc:        gnome <gnome@freebsd.org>, x11@freebsd.org
Subject:   Re: Abnormal CPU load while just usual terminal output
Message-ID:  <49805AC4.2000509@icyb.net.ua>
In-Reply-To: <1233144801.1827.41.camel__48988.0647663542$1233144933$gmane$org@localhost>
References:  <1233144801.1827.41.camel__48988.0647663542$1233144933$gmane$org@localhost>

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on 28/01/2009 14:13 Vladimir Grebenschikov said the following:
> Hi
> 
> After recent Xorg upgrade I've see abnormal CPU load on just:
> nice 20 make buildworld
> 
> and from another terminal:
> nice 20 portupgrade -a
> 
> Surprisingly ~80% of CPU (by top) was eaten by Xorg process.
> 
> both process was run under gnome-terminal.
> 
> Minimizing of terminals does not solve problem, but putting build
> process under screen and open inactive screen page solve problem (xorg
> eats now ~3%).
> (same if open inactive tab of gnome-terminal).
> 
> I've seen something like that before upgrade of X, but it did eat 15-20%
> in worst case.
> 
> Build processes do not produce much output (few lines per second).
> 
> Looks like something seriously broken.
> 
> # uname -a
> FreeBSD vbook.fbsd.ru 8.0-CURRENT FreeBSD 8.0-CURRENT #3: Sun Jan 18
> 00:03:20 MSK 2009     root@vbook.fbsd.ru:/usr/obj/usr/src/sys/VBOOK
> i386
> #
> 
> ULE scheduler

I think that I've seen something very similar with konsole (on 7.1
system with ati X driver). And it is before the upgrade.
Maybe font rendering is at play? (OTOH I configured terminus font for
konsole).

-- 
Andriy Gapon



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