From mboxrd@z Thu Jan  1 00:00:00 1970
From: Francesco Poli <frx@firenze.linux.it>
Subject: Re: Weird behaviour (cpufreq-2.4.21-2)
Date: Tue, 22 Jul 2003 01:12:20 +0200
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To: CpuFreq <cpufreq@www.linux.org.uk>

On Sat, 19 Jul 2003 08:45:28 +0200 Dominik Brodowski wrote:

> > The question is: what's wrong? What did I messed up with?
> 
> Hmmm... might it be that the BIOS meddles with the CPU frequency, too?
> You could compare the output of the "bogomips" tool to detect
> frequency changes, for example.

Here's a session log (I used bogomips v1.2 from the Debian Woody
sysutils package)


# alias ETEMP='cat /proc/acpi/thermal_zone/THRM/temperature'
# ETEMP
temperature:             62 C
# ETEMP
temperature:             62 C
# cat /proc/cpufreq
          minimum CPU frequency  -  maximum CPU frequency  -  policy
CPU  0       500000 kHz ( 35 %)  -    1400000 kHz (100 %)  - 
performance# ETEMP
temperature:             62 C
# on_ac_power
# echo $?
0
# on_ac_power
# echo $?
1
# ETEMP
temperature:             62 C
# bogomips
Calibrating delay loop.. ok - 1394.00 BogoMips
# on_ac_power
# echo $?
0
# ETEMP
temperature:             78 C
# ETEMP
temperature:             79 C
# bogomips
Calibrating delay loop.. ok - 1394.00 BogoMips
# ETEMP
temperature:             76 C
# bogomips
Calibrating delay loop.. ok - 1394.00 BogoMips
# ETEMP
temperature:             75 C
# ETEMP
temperature:             74 C
# ETEMP
temperature:             74 C
# bogomips
Calibrating delay loop.. ok - 1394.00 BogoMips
# ETEMP
temperature:             73 C
# ETEMP
temperature:             73 C
# ETEMP
temperature:             73 C
# ETEMP
temperature:             72 C
# bogomips 
Calibrating delay loop.. ok - 1384.00 BogoMips
# ETEMP
temperature:             73 C
# ETEMP
temperature:             72 C
# ETEMP
temperature:             72 C
# ETEMP
temperature:             72 C


It seems that the CPU clock frequency stays pretty fixed, doesn't it?

Any ideas?

-- 
    Francesco Poli       <frx AT firenze.linux.it>
======================================================
You're compiling a program and, all of a sudden, boom!
  -- from APT HOWTO, version 1.8.0