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SubjectRe: [PATCH] cpufreq_ondemand
From
Hi,

On Mon, Oct 18, 2004 at 08:35:49AM +1000, Con Kolivas wrote:
> Alexander Clouter wrote:
> >>3. (major) the scaling up and down of the cpufreq is now smoother. I
> >>found
> > it really nasty that if it tripped < 20% idle time that the freq was
> > set to 100%. This code smoothly increases the cpufreq as well as
> > doing a better job of decreasing it too
>
> I'd much prefer it shot up to 100% or else every time the cpu usage went
> up there'd be an obvious lag till the machine ran at it's capable speed.
> I very much doubt the small amount of time it spent at 100% speed with
> the default design would decrease the battery life significantly as well.
>

I'm almost ok with your words, but the amd64 do have unacceptable
latency between min and max freq transition, due to the step-by-step
requirements (200MHz IIRC).
Alexander's governor may be then OK for those kind of processors.

--
Bruno Ducrot

-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.
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