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Re: ondemand cpufreq governor



On Tue, 2005-05-24 at 10:26 +0200, thomas bonfort wrote:
> Hello,
> 
>  I've been trying to get the ondemand cpufreq governor to work on my
> ibook g4 1.2.
> when I 
> "echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" 
> 
> I get a "echo: write error: invalid argument"
> the other governors work as specified (userspace. performance, powersave).
> 
> I suspect the error comes from the transition_latency defined for 7447
> cpus, set to CPUFREQ_ETERNAL.
> Does this mean the ondemand governor cannot be made to work on this platform?

I wouldn't recommend it for now. The transition latencies are a bit high
on those machines, I'd rather keep that under control of userland, like
powernowd.

Ben.




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