[Bug 177713] Re: 2.6.24-2: Regression with idle cpu cycle handling

[dhaval]

On 1/20/08, DanaGoyette <DanaGoyette at gmail.com> wrote:
> Well, if this is by design, then I guess I need a new method of running
> folding at home -- whether I run it as root or as a new user, even at
> IDLEPRIO and +19, the folding at home process still slows down other things
> on the system.  The input lag is no longer present, and the process does
> show up as 'nice', but Compiz drops to half its framerate.  It seems odd
> to me that a process cannot simply yield its CPU cycles to other
> processes regardless of user.  Will I now have to arbitrarily assign a
> CPU time percentage to the user?
>

If you run it as a different user, you can reduce the weight that
group has by changing the value of /sys/kernel/uids/<uid of
folding at home>/cpu_share

nice should retain behaviour within a group.

Dhaval

-- 
2.6.24-2: Regression with idle cpu cycle handling
https://bugs.launchpad.net/bugs/177713
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