Re: Power saving by default in Fedora Desktop
----- Original Message -----
Hi all.
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)"?
I'd check those on a case-by-case basis.
Some of the features are too important to disable or tweak down (mo' battery, or
lose data if the power goes off?), and some of them probably don't do anything much
on non-spinning drives for example.
I'd also be interested to know how many of those give you an actual benefit in terms
of power-saving. Killing application and driver wakeups, and aggressive screen
dimming probably get you more tangible benefits.
slightly off-topic to the main subject of this email, I was
wondering:
perhaps we should make gnome-shell automatically raise the nice and ionice
values (ie. lower the priority) of unfocused windows, so that a focused
window will always get priority for I/O and processor time (thus increasing
the perceived performance of the system)
--
-Elad Alfassa.
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