Re: Limit a process's CPU usage?
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On Fri, Mar 28, 2003 at 12:26:54PM +0100, Joerg Johannes wrote:
> I'm running seti@home on my laptop, but the near 100% CPU usage
> results in my processor fan constatly being on. Is there a way on
> telling seti@home to use the CPU at no more than, say 30%?
No. Seti@Home is designed to sponge as much resources as possible.
There's a reason that everybody made fun of CmdrTaco for running
distributed.net on his laptop in an episode of Geeks In Space. ("Rob
runs dnetc on a battery powered PC," Hemos said while laughing hard
after CmdrTaco bitched about crappy battery life on his laptop).
> I have already set it to nice 19, but this affects only the
> priority, so that an other process can take over the CPU more
> easily, this does not reduce CPU load.
Right. Let the scheduler do it's job. If you don't want your CPU
pegged out, don't run any type of slopsucker process (distributed.net,
seti@home, folding@home, finding the largest prime number, etc).
Slopsucker processes are designed to take up all your background CPU
power for computationally intensive tasks that don't have a time
deadline. Keep that in mind.
- --
.''`. Baloo Ursidae <baloo@ursine.dyndns.org>
: :' : proud Debian admin and user
`. `'`
`- Debian - when you have better things to do than fix a system
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