Ubuntu CPU scaling ignoring me more than my daughter does

[Dan Ritter]

On Thu, Mar 10, 2011 at 07:45:29PM -0500, David Kramer wrote:
> On 03/10/2011 09:22 AM, Dan Ritter wrote:
> > On Thu, Mar 10, 2011 at 07:27:59AM -0500, David Kramer wrote:
> >>>> Hmm.  I don't even have that file.
> >>>
> >>> Sounds like you haven't loaded the appropriate module to control
> >>> your CPU's power saving feature.
> >>>
> >>> What CPU? From /proc/cpuinfo, please?
> >>
> >> I thought the problem is it's controlling the speed *too much*.
> >> This is a Dell Latitude D820
> 
> > OK, what does acpitool -c tell you?
> 
> david at lexa:/dload/graphics/tmp$ acpitool -c
>   CPU type               : Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz
>   Min/Max frequency      : 1000/2000 MHz
>   Current frequency      : 2000 MHz
>   Frequency governor     : ondemand
>   Freq. scaling driver   : acpi-cpufreq
>   Usage of state C1      : 53057687 (97.5 %)
>   Usage of state C2      : 1249655 (2.3 %)

The combination of ondemand and that state usage report strongly
suggests that some process is pegging your CPU. Anything obvious
on top?

-dsr-


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