Messages in this thread | | | Date | Tue, 19 Oct 2004 20:22:24 +0200 | Subject | Re: [PATCH] cpufreq_ondemand | From | Bruno Ducrot <> |
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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
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