[ltp] T40 cpufreq

[Dan Borello]

On Sun, 2003-08-17 at 05:12, Marius Gedminas wrote:
> On Sat, Aug 16, 2003 at 04:04:36PM -0500, Dan Borello wrote:
> > I have apm support in my 2.4.21-ac4 kernel.  I also am using the cpufreq
> > support in the ac patches.  When I insmod the proper module,
> > speedstep_centrino I see a /proc/cpufreq.  I am able to change the
> > values and percentages of this file.  It seems that they do not take
> > affect.  /proc/cpuinfo continues to show the speed at which it was
> > booted with.
> 
> I have a T23.  I've added cpufreq patch from Con Kolivas' page to
> vanilla 2.4.21.  I can change the CPU speed by writing to
> /proc/sys/cpu/0/speed, and see the results there, but /proc/cpuinfo
> always stays the same.
> 
> I assume cpufreq "works", as I see the time regularily jumping backwards
> by several microseconds at 866 MHz, and no such effects at 666 MHz.
> I think /proc/cpuinfo is just not kept up to date by the patch.
> 
> Marius Gedminas

Perhaps it is hitting.  I should try some simple benchmarks.  I am
pretty sure it is not because the battery continues to drain fast :(  I
hope to get more than 2 hours out of my battery.

dan