On 02/08/11 03:59, Keean Schupke wrote:
Would it be possible to add a switch to the command line, that would make powertop start,
switch every possible tunable to "Good" and then quit again?
It would be really cool to include this in my boot scripts to make sure all
powersaving features are enabled.
It would also allow people to automatically benefit from new recommendations
added in future versions of powertop?
This has been suggested with the 1.x version before, and, we're really
reluctant to implement this.
It's simple enough to break someone's machine with this ("oops, we just
turned off your keyboard and mouse"), and, you don't want to do this
with some fallback code etc. ("did this fail the last time? skip that
step from now on then").
That just makes this too complicated to safely do, especially at
startup. Which is why we don't.
Powertop is a diagnostics tool. The tool should be used by your
distribution to figure out default-good-out-of-the-box settings and
include those in your distribution by default. That's really where you
need to go and ask in the first place to tweak the knobs at boot time.
Auke
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