On Thu, Aug 12, 2010 at 04:25:21AM +0300, Felipe Contreras wrote: > On Thu, Aug 12, 2010 at 4:06 AM, Paul E. McKenney > <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Aug 12, 2010 at 03:28:00AM +0300, Felipe Contreras wrote: > >> On Thu, Aug 12, 2010 at 1:28 AM, Paul E. McKenney > >> <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > >> > On Wed, Aug 11, 2010 at 10:18:51PM +0300, Felipe Contreras wrote: > >> >> On Mon, Aug 9, 2010 at 9:16 PM, Paul E. McKenney > >> >> <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > >> >> > But wouldn't an office suite run as a power-oblivious application on an > >> >> > Android device? After all, office applications do not need to run when > >> >> > the screen is turned off, so these the applications do not need to use > >> >> > suspend blockers. > >> >> > >> >> Ideally the system would be suspended even when the screen is on. If > >> >> there are no "trusted" applications running at the same time, then > >> >> openoffice wouldn't load at all. Right? > >> > > >> > My understanding is that Android systems in fact do not suspend when > >> > the screen is on, and that most (perhaps all) other systems do not > >> > opportunistically suspend at all. There has been some speculation about > >> > what a hypothetical Android having a non-volatile display might do, > >> > but as far as I know, this is just speculation. > >> > >> I have a desktop system in mind. If opportunistic suspend is only > >> triggered when the display is off, then it's no good for normal usage, > >> and therefore dynamic PC needs to get its act together... specially > >> for laptops. > > > > If I understand you correctly, you are saying that both opportunistic > > suspend and dynamic power control should be used together, with dynamic > > power control being used for short non-busy periods (as in between > > keystrokes) and opportunistic suspend being used for longer non-busy > > periods (as in while grabbing a coffee). That combination of usage > > sounds promising to me. > > No. In the future x86 will be fixed, but for now let's imagine an ARM laptop. Hmmm... OK... > > That said, I don't know that anyone has really sat down and thought > > through how one might apply suspend blockers to a desktop system. > > I suspect that there are several ways to go about it. > > Think in terms of an ARM laptop. What good is opportunistic suspend if > it's not going to help when the laptop is being used? For when the laptop is not being used, presumably. Thanx, Paul _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
