[ltp] ibm a31 cpufreq

[Grigory Batalov]

On Mon, 24 Nov 2003 08:13:59 +0100
flokno <flokno@gmx.net> wrote:

> >   How do you check this "600 MHz" and how did you get it from 1.5 GHz?
> 
> cat /proc/cpuinfo
> 
> i also have a program: bogomips that calculates the speed. and then i
> can see my cpu going up or down.
> 
> if i don't use cpudynd then
> 
> echo "0%50%50%powersave > /proc/cpufreq" and
> echo "0%100%100%performance > /proc/cpufreq"

  I tried modules speedstep-smi and speedstep-ich with kernel
  2.4.22. But it does not reduce frequency so much:

# cat /proc/cpufreq
          minimum CPU frequency  -  maximum CPU frequency  -  policy
CPU  0      1200000 kHz ( 85 %)  -    1400000 kHz (100 %)  -  performance

# echo "0%50%50%powersave" > /proc/cpufreq

# cat /proc/cpufreq
          minimum CPU frequency  -  maximum CPU frequency  -  policy
CPU  0      1200000 kHz ( 85 %)  -    1200000 kHz ( 85 %)  -  powersave

  Also I tried 'cpufreq=100000-1400000' kernel option.
  What more can I do?