Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: [RFC] sleepy linux | Date | Thu, 27 Dec 2007 00:15:39 +0100 |
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Am Mittwoch, 26. Dezember 2007 21:32:58 schrieb Pavel Machek: > On Wed 2007-12-26 21:23:37, Oliver Neukum wrote: > > Am Mittwoch, 26. Dezember 2007 21:17:22 schrieb Pavel Machek:
> > > Is there an easy way to tell if all the devices are runtime suspended? > > > > Do you really want to know whether they are suspended or whether they > > could be suspended? > > If they are suspended. > > My plan is: let the drivers autosuspend on their own. If I see all of > them are autosuspended, then it looks like great time to put whole > system into s2ram...
Your calculation of cost/benefit will be wrong. A driver will have timeouts based on the cost of a suspend/resume cycle of that device only. You'd have to calculate of keeping the whole system awake against that.
Regards Oliver
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