Re: [RFC v1] Tunable sched_mc_power_savings=n

From: Matthew Garrett
Date: Sat Jun 28 2008 - 08:26:15 EST


On Fri, Jun 27, 2008 at 10:06:28AM +0200, Andi Kleen wrote:

> Ok distcc is a special case, but it doesn't apply to a lot of other
> processes (do you really want your CPU to crank up for "updatedb" or
> beagle or some backup job for example?)

If something's CPU-bound, then you almost certainly want to speed the
CPU up. There's no power advantage to leaving it at a low frequency. I'd
be surprised if things like beagle or updatedb are CPU-bound, though.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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