* cpufreq throttling driver
@ 2007-05-16 19:36 Matthieu CASTET
2007-05-17 17:35 ` Wes Felter
0 siblings, 1 reply; 2+ messages in thread
From: Matthieu CASTET @ 2007-05-16 19:36 UTC (permalink / raw)
To: cpufreq
Hi,
I have a desktop cpu supporting only throttling (no C-state and no P-state
(acpi-cpufreq refuse to load)).
Does it make sense to use throttling to save some power ?
If yes why aren't there a cpufreq driver for managing throttling ?
That way governor could be used with throttling.
Does it make sense ?
Thanks
Matthieu
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: cpufreq throttling driver
2007-05-16 19:36 cpufreq throttling driver Matthieu CASTET
@ 2007-05-17 17:35 ` Wes Felter
0 siblings, 0 replies; 2+ messages in thread
From: Wes Felter @ 2007-05-17 17:35 UTC (permalink / raw)
To: cpufreq
Matthieu CASTET wrote:
> Hi,
>
> I have a desktop cpu supporting only throttling (no C-state and no P-state
> (acpi-cpufreq refuse to load)).
>
> Does it make sense to use throttling to save some power ?
Not really. You can save a little power but you will lose a lot of
performance, making your system less energy-efficient.
> If yes why aren't there a cpufreq driver for managing throttling ?
It's called p4-clockmod. Don't use it. If you want to save power, get a
new CPU.
Wes Felter - wesley@felter.org
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-05-16 19:36 cpufreq throttling driver Matthieu CASTET
2007-05-17 17:35 ` Wes Felter
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