On Thu, Nov 7, 2013 at 5:21 PM, Elad Alfassa <elad@xxxxxxxxxxxxxxxxx> wrote: > > On Thu, Nov 7, 2013 at 4:47 PM, Lennart Poettering <mzerqung@xxxxxxxxxxx> > wrote: >> >> On Wed, 06.11.13 16:01, Bill Nottingham (notting@xxxxxxxxxx) wrote: >> >> > Elad Alfassa (elad@xxxxxxxxxxxxxxxxx) 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@xxxxxxxxxxxxxxxxxxxxxxx >> 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? If "powersave" means "stick at low clocks" that actually eats *more* power then ondemand because the cpu will spend less time being idle. -- desktop mailing list desktop@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/desktop
