Power saving by default in Fedora Desktop

[Elad Alfassa]

On Thu, Nov 7, 2013 at 4:47 PM, Lennart Poettering <mzerqung at 0pointer.de>wrote:

> On Wed, 06.11.13 16:01, Bill Nottingham (notting at redhat.com) wrote:
>
> > Elad Alfassa (elad at fedoraproject.org) said:
> > > It'd be awesome if we could make sure default Fedora Workstation will
> have
> > > "laptop mode" on by default.
> > > Right now I need to run a script that changes many power tunables (got
> the
> > > list from powertop) to save battery on my laptop. It should be default.
> > > Perhaps detect if the machine is on-battery and if so enable all power
> > > saving features (disable watchdog, increase the
> > > vm_dirty_writeback_centisecs value, and so on)?
> > > Can this be part of upower? Can we have a setting in Settings for that?
> > > (Something like "Enable power saving when on battery (decreases
> > > performance)"?
> >
> > Isn't this the sort of thing that should ship by default? (Whether in a
> > tuned profile or something else.)
>
> The last time I discussed this with Matthew Garrett we came to the
> conclusion that this isn't something we want for the general case. Best
> is to ping him about this.
>
> I am pretty sure that "tuned" is nothing we ever want to ship by
> default. To "tune" something is the opposite of having good defaults. We
> want good defaults, no tuning.
>
> Lennart
>
> --
> Lennart Poettering, Red Hat
> --
> desktop mailing list
> desktop at lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/desktop
>


What about automatically changing the cpu-governor to powersave when
battery is under certain % and the device is unplugged, and then bringing
it back to ondemand when plugging the machine back in?

-- 
-Elad Alfassa.
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