Re: instruction cache throttling
On Sat, 2005-05-14 at 21:11 +0000, Joerg Sommer wrote:
> Joerg Sommer <email@example.com> wrote:
> > Benjamin Herrenschmidt <firstname.lastname@example.org> wrote:
> >>> Do you mean the powersave governor should controll this register too?
> >>> > I'm interested to discuss this more. I have been wanting this feature for a
> >>> > while; and even have written some code for it a couple of times, but I tend to
> >>> > get distracted too easily when it comes to hobby code.
> >>> Is your code anywher available?
> >> I would suggest you first write some kind of hack to control it via
> >> sysfs or /proc and do some measurements to see if there is any real
> >> benefit in throttling...
> > Here is the hack http://www.minet.uni-jena.de/~joergs/ictc/. I don't know
> > if its correct, but it doesn't make the kernel oops.
> I used this module today and I don't see any difference to the life
> without. I use 254 because 255 cause very high cpu load.
Did you see a significant difference in battery consumption with
different ictc values ?