Xorg often taking a lot of CPU, whole system slow
drew einhorn
drew.einhorn at gmail.com
Mon Jan 18 16:13:38 UTC 2010
On Mon, Jan 18, 2010 at 1:53 AM, Dotan Cohen <dotancohen at gmail.com> wrote:
> Often, my Kubuntu 9.10 system slows to a crawl. When this happens,
> Xorg is usually the culprit:
>
> top - 10:51:32 up 2:03, 2 users, load average: 0.72, 0.49, 0.29
> Tasks: 168 total, 2 running, 166 sleeping, 0 stopped, 0 zombie
> Cpu(s): 31.1%us, 7.9%sy, 0.0%ni, 61.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Mem: 2060628k total, 1631280k used, 429348k free, 1132k buffers
> Swap: 2931852k total, 0k used, 2931852k free, 692632k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 1206 root 20 0 526m 157m 19m S 45 7.8 26:22.25 Xorg
> 1756 dotancoh 20 0 472m 240m 24m S 18 11.9 29:01.06 firefox
> 1632 dotancoh 20 0 244m 28m 20m S 7 1.4 8:59.91 kwin
>
>
> What is Xorg doing? How can I diagnose this? Thanks!
>
I've seen similar symptoms on a box with an older ati video card.
I assumed it's something quirky with the card or driver,
and haven't gotten around to digging into this problem
The box is a half hour drive from here. If anyone is interested
I can check the exact model, etc., next time I visit there.
--
Drew Einhorn
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