Doug Crompton on 17 Jun 2007 03:02:53 -0000


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Re: [PLUG] Use of dual core


On Sat, 16 Jun 2007, Matthew Rosewarne wrote:

> On Saturday 16 June 2007, Antony P Joseph wrote:
> > I just listed the available governors. "Performance" is governors which
> > always sets frequency to the maximum.
>
> This governor is for systems that don't have continuous scaling, but instead
> only a fixed set of speeds (usually two), such as my P3.  The "performance"
> governor is the counterpart of the "powersave" governor, which always sets
> the frequency to the minimum.  Newer CPUs that support dynamic continuous
> scaling do not need such crude governors and are much better off using an
> intelligent governor such as "ondemand" instead of "performance".  On
> battery, "conservative" is generally used, which actually does sacrifice some
> performance.
>

My system has the governor set to ondemand and there are two speeds -
1862000 1596000 - listed as available. They are also listed as min and
max. It generally sits at the lower speed.

Doug

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