[indiana-discuss] b111a: Power Management and nwam-issue ?

Mark Haywood Mark.Haywood at Sun.COM
Sun Apr 26 06:44:47 PDT 2009


Lurie wrote:
>> That's not true.
>> cpupm mode can be changed by pmconfig on the fly.
>>     
>
> Should've been more specific in my reply, so:
>
> % vi /etc/power.conf  # Change to poll-mode
> % pfexec pmconfig
>
> % pfexec powertop # shows proc. always at max speed 
> % pfexec reboot # After the reboot, powertop shows proc. at lower freq.
>   

It is either a bug or your system isn't idle enough for poll-mode to 
lower the freq. either. I have successfully switched event-mode and 
poll-mode many times without a reboot.

Mark





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