On Saturday 01 October 2011 21:30:02 Lukas wrote: > On 1 October 2011 21:36, <plasma-devel-requ...@kde.org> wrote: > > > Something like having Power mode switch: > > > > > > [Performance] [Normal] [Battery stretch] > > > > > > where Normal is current static profile; Performance - temporary > > > disables any limitations; Battery stretch - disables everything, that > > > can be disabled [Wifi, audio, CPU turbo mode etc] > > > > This is actually why we thought about pairing profiles and activities. > > Although your concern is valid, you are likely to require this kind of > > things > > when doing a specific activity, hence you won't need the applet :) On the > > other hand, inhibition might be useful everywhere. > > Not exactly. Those switches was intended to be only temporary changes.
So are activities. > > Lets say you are on the trip on the train using "Plasma development" > activity. Usually, all your development activities are set to average power > usage profile, but since the journey is long, and you are not listening to > music, nor using wifi [Battery stretch] could give you e.g +25% of battery > time. That's a dream-world assumption (like the 25% which pardon me, but it's slightly random). First of all, you can turn off your wi-fi through an hardware switch, which is usually what people do (although, if in the future powerdevil will be able to do that, great). Second, then how you define a "battery stretch?" You would need a dozen of those states to cover all corner cases. > > Other situation, you are giving a presentation on how to make a best of QT, > that requires compiling using the same using "Plasma development" > activity. Performance mode could at the same time disable any screensaver, > as well give green light to use all CPU power, ignoring the battery usage. And that's why the applet is now able to inhibit. CPU is not affected by profiles. > > Both are quite unusual but possible situations, but creating new activity > and moving all files/settings does not pay off. But in both cases, you don't need a separate profile/mode. We thought about much worse corner cases while discussing, and we still need to figure out one which explicitly needs a new profile. > > Also [Performance] and [Battery stretch] power modes could do more by e.g. > preventing any daemons (nepomuk, akonadi, owncloud) from staring background > works - a common complaint, that KDE semantic services starts at a very bad > time and there is no way to prevent them. That's indeed to be fixed inside those daemons - if we were to start thinking like this, KDE would be the land of workarounds. > > Cheers, > > Lukas -- ------------------- Dario Freddi KDE Developer GPG Key Signature: 511A9A3B
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