Re: [RFD] Automatic suspend

Oliver Neukum
2009-02-17T10:12:59Z

Am Tuesday 17 February 2009 00:23:30 schrieb Matthew Garrett:
> On Tue, Feb 17, 2009 at 12:19:38AM +0100, Rafael J. Wysocki wrote:
>
> > This, again, seems to be a bit x86-centric. :-) The Android people are telling
> > us that on the hardware they deal with it does make sense to put the entire
> > system to sleep even for relatively short periods of time, since the latencies
> > involved are not too bad.
>
> Arve said that the power state was equivalent in idle and suspend, but
> that they preferred suspend because it stopped any periodic timers. I'd
> be more interested in making sure that unnecessary timers aren't running
> than focusing on automatically entering system-wide suspend - Nokia have
> been managing this since 2005 with good results.

I agree. For a general purpose system it would be very hard to call
some timers unnecessary and others necessary.

Regards
Oliver