Re: Xorg eats my CPU
On Sun, 8 Jan 2006 14:21:08 +0100
Kevin Glynn <kevin.glynn@gmail.com> wrote:
> Hi,
>
> I am running (up to date) Debian unstable on my laptop, it has a
> Radeon IGP 340M graphics chip. For the last month or so I am seeing
> the Xorg process gradually gobble up more and more CPU, up to 30/40%
> and in some cases 99%.
I saw some of this behavior too. Also, big memory munching by Xorg. Finally switched away from metacity (still gdm) and that problem is GONE.
>
> Even X on its own seems a little sluggish, e.g. when I change windows
> the gnome icons take a fraction of a second to appear in the new
> window.
>
> But the big CPU problems are seen when I run mozilla-firefox, since
> usually when I kill firefox Xorg recovers. I don't see any messages
> in logs that might explain the behaviour and I can't find any related
> bugs filed against Xorg.
Do you leave firefox up all the time? seems to eat memory. Also many tabs means more memory usage. Can't understand the CPU hit from firefox though, unless its got some REALLY heavy pages open with java script and stuff?
A
>
> Here is the output from the top of top:
>
>
> top - 12:41:40 up 2:56, 4 users, load average: 0.87, 0.45, 0.99
> Tasks: 98 total, 3 running, 95 sleeping, 0 stopped, 0 zombie
> Cpu(s): 40.7% us, 4.8% sy, 0.1% ni, 52.8% id, 1.2% wa, 0.1% hi, 0.3% si
> Mem: 744112k total, 731812k used, 12300k free, 134736k buffers
> Swap: 997880k total, 108k used, 997772k free, 239776k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 13112 keving 17 0 130m 50m 16m R 34.7 7.0 2:04.21 firefox-bin
> 12761 root 5 -10 65052 13m 8108 S 10.1 1.9 1:12.19 Xorg
> 12933 keving 15 0 31756 13m 8596 S 0.2 1.9 0:18.06 gnome-terminal
> 12935 keving 15 0 44704 7344 5864 S 0.2 1.0 0:02.15 gnome-cups-icon
>
> (Hope that shows up OK)
>
> Does anyone have any idea what bug this might be? Or clues on how I can
> track it down further? I don't really have enough information to file
> a bug report yet ....
>
> Thanks for any advice / help
>
> Kevin
>
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