On Monday 16 February 2009, Pavel Machek wrote: > Hi! > > > The recent descussion about the Android PM patches sent by Arve shows that > > there is a need to introduce a mechanism allowing us to: > > (1) automatically put the system as a whole into a sleep state (eg. suspend to > > RAM) when it is found to be "idle", where the meaning of "idle" has to be > > defined too, > > Well; I'd prefer to keep the interface very minimal. > > If no devices are being used, We'll need some kind of infrastructure to detect such situations. > and next wakeup is far enough in the future, What exactly do you mean by "next wakeup"? > just put system to sleep. Long enough == so far away that suspend/wakeup > is short compared to that... like 20 seconds on PC. Well 10s will be fine on the majority of my test boxes, but that's a detail. > Ok, it probably needs to be opt-in: echo auto-mem > /sys/power/state > should do the trick. Agreed. > This will need either fixing all the applications not to poll, or > maybe someone SIGSTOP-ing apps that are in background and poll too > often. Polling in general is not PM-friendly, so we'll need to deal with it somehow at one point anyway. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
