Power consumption with Fedora
Nathanael D. Noblet
nathanael at gnat.ca
Tue Dec 2 23:37:13 UTC 2014
On Tue, 2014-12-02 at 15:23 -0700, Kevin Fenzi wrote:
> 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
> 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.
Oh my I've barely started readind the above and its great... I wish I
knew of this long ago. Thanks for the pointers and mention of tuned.
More information about the devel