[Mageia-discuss] Cpufreq management
andrewsfarm at gmail.com
Tue Jan 10 15:52:36 CET 2012
On 01/10/2012 06:20 AM, Pierre Jarillon wrote:
> Cpufreq management is not obvious and not easy for a beginner.
> However it is useful to save power and reduce the noise (lower speed of fans).
> It is useful on laptops and also on desktops.
> I use intel procs:
> 4CPU : i5-2500K CPU @ 3.30GHz (mageia 1)
> 2CPU : E7300 @ 2.66GHz (mageia 1 and cauldron)
> On both machines, the lower frequency is 1.60GHz and I have set the governor
> to ondemand.
> In MCC-> services, cpufreq was enabled, but in fact was not working.
> MCC has no tool to configure cpufreq
> The plasmoid "Afficheur de charge système" (what is name?) shows the cpu
> frequency when the cursor is above it.
> IMO, ksysguard should also do that.
> A question: Why is there cpufreq and cpufreqd?
There is also powernowd, which also controls cpufreq and which I haven't
figured out yet. It was written for AMD cpus, but apparently works with
Intel cpus, too.
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