power management experiences with joyride-1572

Tomeu Vizoso tomeu at tomeuvizoso.net
Thu Jan 24 20:12:37 EST 2008


On Fri, 2008-01-25 at 01:45 +0100, Ivan Krstić wrote:
> On Jan 25, 2008, at 1:31 AM, Frank Ch. Eigler wrote:
> > if the all brand new XO-focused software doesn't already do this
> 
> We're building a platform, and have been completely and brutally  
> transparent about our progress. Software built on our platform will  
> keep improving rapidly along a number of axes, power management being  
> one, and even more rapidly if folks jump in and help us with the work.  
> Patches welcome ;)
> 
> > So you may end up needing a tool that applies heuristics and  
> > overrides the CPU
> > requests of poor programs.
> 
> As an anecdote, I spend a non-trivial amount of time working in  
> disconnected environments using battery power on my non-XO laptop, and  
> I've been obtaining noticeable battery life gains by manually  
> SIGSTOPping Firefox when not in use. Now, I usually have about 70-200  
> tabs open -- which may be an edge case, but _shouldn't_ be:  
> programmers need to learn that when I'm not actively using their  
> software, it shouldn't be _doing_ stuff on my machine without a very  
> good reason.

Also, lots of people in the FLOSS world are realizing that their
software needs to run on small devices (mobile/embedded
projects/alliances etc.).

Tomeu




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