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Date: Thu, 27 Dec 2007 00:15:39 +0100 From: Oliver Neukum <oliver@...kum.org> To: Pavel Machek <pavel@....cz> Cc: kernel list <linux-kernel@...r.kernel.org>, Linux-pm mailing list <linux-pm@...ts.osdl.org>, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: [RFC] sleepy linux 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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