%cpu and Xorg - Jaunty

Nigel Ridley nigel at prayingforisrael.net
Fri Apr 3 14:45:11 UTC 2009

Antonio Augusto (Mancha) wrote:
> On Fri, Apr 3, 2009 at 06:11, Nigel Ridley <nigel at prayingforisrael.net> wrote:
>> Nigel Ridley wrote:
>>> I've got Jaunty up-to-date and Xorg is using a lot of cpu cycles.
>>> Running 'top' shows that Xorg runs from a 'low' %cpu 13 to a 'high' %cpu 64.
>>> What is going on? It never used to use so many cpu cycles.
>>> Nigel
>> I should have added that this is a Dell Inspiron 1525 with an Intel GM965 chipset with an X1300
>> graphics card. The 'low' %cpu 13 to a 'high' %cpu 64, is with Desktop effects enabled (just the
>> default ones) and with the Desktop effects turned off, Xorg gives a 'low' of %cpu 9 and a 'high'
>> of %cpu 19 -- which is still way too high.
>> I'm not sure what is causing it but if others notice it then I will file a bug report.
> Not sure the exact numbers, but i was getting some "high" CPU usage by
> xorg as well.
> Plasma also seens to like my cpu a lot :)
> Is thgis default behavior or are we seeing something unusual?
> Running a Dell Vostro 1000 with a radeon Xpress 200 inside, with the
> opensauce drivers. Cpu is a dualcore AMD 64 running at 1.9Ghz.
> Cheers!

Without Desktop effects enabled and the new (today's) updates, Xorg seems to be behaving. If 
however I switch Desktop effects back on then my cpu usage goes back up.



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