est module

[Thomas Schlesinger]

Am Samstag, 24. Juni 2006 10:40 schrieb Johannes Hofmann:
> Thomas Schlesinger <schlesinger at xxxxxxxxxxxxx> wrote:
> > Am Samstag, 24. Juni 2006 05:19 schrieb YONETANI Tomokazu:
> >> On Fri, Jun 23, 2006 at 05:44:54PM +0200, Thomas Schlesinger wrote:
> >> > this is the output of your latetest version:
> >> >
> >> > Enhanced SpeedStep (1308 mV)  - unknown CPU or operating
> >> > point(cpu_id:1752x, msr:0x6120d2606000d26).
> >> > module_register_init: MOD_LOAD (est, df467edc, 0) error 45
> >>
> >> Ok, I added an alternate entry for your CPU(updated the source code on
> >> my web server).  Although msr tells the highest and the lowest (freq,
> >> volt) pairs, I used a guess for the second and the third pairs.  It's
> >> very likely that you may have to adjust them.
> >
> > Yonetani,
> >
> > it seems, you've had success ;-) The new version gave me this:
> >
> > Enhanced SpeedStep (1308 mV) 1733 MHz
> > Enhanced SpeedStep frequencies available (MHz): 1729 1333 1067 798
> >
> >
> > How can I control the CPU frequency? I've tried the estctrl hack from
> > Johannes Hofmann
> > (http://leaf.dragonflybsd.org/mailarchive/users/2006-05/msg00069.html),
> > but that didn't work with the  netbsd-based est module:
> >
> > SchlesisNB# ./estctrl
> > estctrl: Error reading supported CPU frequencies: No such file or
> > directory
> >
> > Thanks,
> > Thomas
>
> Hi Thomas,
>
> the sysctl names have been changed to match those from NetBSD so that
> we can use NetBSD estd. Use
>
> http://www.ecademix.com/JohannesHofmann/estd_pkgsrc-1.patch.gz
>
> And call patch -p0 < estd_pkgsrc-1.patch in /usr/pkgsrc, then
> compile and install sysctl/estd.
>
> Alternatively you can manually change the CPU frequency with e.g:
>
> sysctl -w machdep.est.frequency.target=800
>
>  Johannes

Johannes,

thank you very much for your hint to the sysctl-switches and your patch. It's 
very good to be able to cool down my CPU on hot summer days and giving my 
notebook a longer run on train rides ;-)

Thomas