cpufreq in the power manager

[Auke Kok]

Brian J. Tarricone wrote:
> On 09/14/2009 03:05 PM, Liviu Andronic wrote:
>> Dear Ali
>> This is related to the CPU frequency features in the power manager.
>> One of the features present in 0.6.* and that I miss most in 0.8.*
>> concerns the ability to choose the governors. I know that some
>> consider the governors as time-waste, but I believe that they are
>> potentially important to many users (among others, for controlling the
>> heating of laptops).
> 
> On what information is this belief founded?  Regardless, why should
> these problems be "solved" by a userspace GUI app?

totally agreed. If there are issues with the kernel governors, please 
contact me on e.g. the powertop mailinglist and we can discuss the issue :)

> (If your laptop is getting too hot because your CPU is running at a high
> frequency too often, it's probably because the kernel or SMC chip or
> whatever is doing a poor job of controlling your fan.  Putting a band
> aid on the problem by throttling the CPU is not the solution.)
> 
>> I wanted to ask whether you would consider (re-)implementing a CPU
>> frequency tab in both "On AC" and "On Battery", in which users could
>> select the desired governor. A nice addition would be an option to
>> select the minimum and maximum frequency that the current governor can
>> choose.
> 
> Featuritis...
> 
>> Also, "Information" could report battery as well as current
>> governor/frequency information.
> 
> Displaying the current freq could be nice.

this would really belong in something like powertop, or a separate 
application. In itself not an uninteresting project, but you're 
duplicating what's done in powertop already, and powertop shows much more.

Cheers,

Auke