what is 'cpuspeed' for?

[Dave Jones]

On Mon, Jan 03, 2005 at 09:54:00PM -0600, Satish Balay wrote:
 > On Mon, 3 Jan 2005, Trevor Smith wrote:
 > 
 > > I took someone's advice (from this list) and downloaded "powernowd"
 > > (sorry, can't recall the link; try google) and *it* works as
 > > advertised, unlike cpuspeed (at least on my machine) and actually
 > > throttles the cpu speed up and down, according to usage.
 > 
 > 'cpuspeed' needs to support '--ignore-intermediate-frequencies' option
 > to speed up the transtiton between max & min speeds.

It can't. Some implementations of speed scaling can't handle
huge leaps, and need to be 'stepped'. Some of the drivers do this
internally anyway, so even if you removed it from cpuspeed, the
multiple transitions would still be occuring.

		Dave