Re: CPU Frequency Scaling

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On Mon, 2006-12-04 at 11:38 +0100, Thomas M Steenholdt wrote:
> If the scaling governor is quick enough to detect the need and perform
> the transition, most workloads....

I've had complaint, (and noticed myself) that conservative and ondemand
often take a few hundred ms to "ramp up" to a suitable frequency.
Ordinarily this isn't a problem, but with my dual 1.6Ghz laptop idling
down to 1Ghz, clicking 'Applications' doesn't feel as "snappy" as it
should.

I guess it's a difficult balance between latency and smoothing to avoid
changing the frequency too often.

Richard.


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