Power consumption with Fedora

Kevin Fenzi kevin at scrye.com
Tue Dec 2 22:23:26 UTC 2014


On Tue, 02 Dec 2014 14:44:59 -0700
"Nathanael D. Noblet" <nathanael at gnat.ca> wrote:

> On Tue, 2014-12-02 at 21:47 +0100, Jan Kratochvil wrote:
> > On Tue, 02 Dec 2014 06:30:57 +0100, Nathanael d. Noblet wrote:
> > > I don't know much about it but I hate how bad my battery life is
> > > on my laptop...
> > 
> > My 3 years old Lenovo X220 lasts for 12 hours (powertop reports so)
> > on Fedora 20 x86_64 with powertop --auto-tune.  According to
> > powertop approx. 5.5W is display backlight and 1W is the rest of
> > system.
> > 
> > Just to give a reply that Fedora is not bad on all configs/hardware.
> 
> Well until yesterday I didn't know that Fedora didn't install /
> configure any of these packages. I've installed tlp and powertop, I
> didn't know powertop did anything other than monitor. I'll see what
> powertop --auto-tune does. I don't even know if the tlp package has
> enabled anything either. I wonder if having tlp installed and running
> powertop --auto-tune will conflict / fight each other...
> 
> Time to try stuff out.

You might also look at tuned... 

(I think it was mentioned early in the thread). 

tuned-adm profile powersave

Also: 

https://docs.fedoraproject.org/en-US/Fedora/20/html-single/Power_Management_Guide/index.html

Of course it would be nice if this stuff just did the right thing and
you didn't have to run any commands or read any guides. 

kevin
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