How about allowing adding an option to dump the current settings (good/bad) to a JSON file. There could be another option to read in the settings from a JSON file, and an option that makes it apply the settings and quit.
We could then do: powertop --write-tunables=tunables.txt --exit-immediately edit the file to make change the good/bad settings then: powertop --read-tunables=tunables.txt --exit-immediately Cheers, Keean. On 14 February 2011 23:23, Auke Kok <[email protected]> wrote: > 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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