powernowd and laptop mode

Thom May thom at ubuntu.com
Mon Mar 28 14:44:41 CST 2005


* Rui Tiago Matos (tiagomatos at gmail.com) wrote :
> On Mon, 28 Mar 2005 21:02:21 +0100 (BST), Paul Sladen
> <ubuntu at paul.sladen.org> wrote:
> > 
> > Since the CPU speed is always ramped up exactly when it is required
> 
> The problem here, IMHO is this "exactly". If it was exactly I would
> gladly support powernowd. It happens that on my machine (a p4 laptop)
> it isn't exactly when needed, causing all sorts of annoying slowdowns
> (see [1]). If it could be made more responsive (although I don't know
> if this is a problem of the CPU or the daemon) it would be great, as
> it is I have to disable it. Maybe it works better with centrino and
> the like cpus, I don't know.
> 
Yeah, this is just p4 brokeness - p4_clockmod does seem to be entirely a
waste of time, sadly.
I'm inclined to change my mind on turning this on for laptops; no-one seems
convinced it's a win.
-Thom



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