Re: dynamic-hz

From: Hans Kristian Rosbach
Date: Mon Dec 13 2004 - 06:21:57 EST

On Mon, 2004-12-13 at 12:02, Andrew Morton wrote:
> Con Kolivas <kernel@xxxxxxxxxxx> wrote:
> > The performance benefit, if any, is often lost in noise during
> > benchmarks and when there, is less than 1%. So I was wondering if you
> > had some specific advantage in mind for this patch? Is there some
> > arch-specific advantage? I can certainly envision disadvantages to lower Hz.
> There are apparently some laptops which exhibit appreciable latency between
> the start of ACPI sleep and actually consuming less power. The 1ms wakeup
> frequency will shorten battery life on these machines significantly. (I
> forget the exact numbers - Len will know).

Is there any recommended lower bound setting?
Would there be a point in recommending lower settings for desktops
running only text consoles opposed to X desktops?


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at