Fighting for the power.

[Nate Lawson]

Ian Smith wrote:
> On Mon, 11 May 2009, Gary Dunn wrote:
>  > On Tue, 2009-05-12 at 02:13 +0300, Alexander Motin wrote:
>  > ...
>  > > 
>  > > What's about general effect, the main idea here is the same as in audio 
>  > > processing: result mostly depends on quality of the worst component. 
>  > > Your system may just have some other consumers which I don't have. For 
>  > > example, desktop CPU instead of mobile, desktop chipset instead of 
>  > > mobile, powerful external video instead of (or even in addition to) 
>  > > built-in, and so on.
>  > > 
>  > 
>  > Interesting point. Is there a power consumption benchmark for evaluating
>  > hardware for use with FreeBSD?
> 
> make buildworld, running on battery? :-)
> 
> More seriously: thanks to Nate's earlier niggling, I've been thinking 
> towards a richer set of power profiles than our {performance,economy} 
> dichotomy for a while, both in terms of various different work/play and 
> AC/battery scenarious, and re specific settings that may be more or less 
> optimal for particular hardware, that could be distributed or advised as 
> more of a basic working set rather than as a series of 'try this' hints.
> 

FYI, Cyrille Szymanski has implemented a patch to add this kind of power
profile support to powerd(8). I'd like to see it finished and committed.

-- 
Nate