cpu-governors are broken in most cases for CPUs released over the past 3/4 years. See the discussions about cpufreq, the CPU scheduler, etc. on LWN, for example: http://lwn.net/Articles/571414/ ----- Original Message ----- > 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? > > -- > -Elad Alfassa. > > -- > desktop mailing list > desktop@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/desktop -- desktop mailing list desktop@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/desktop
