Matthew Garrett <mjg59@xxxxxxxxxxxxx> writes: > On Sun, Dec 28, 2008 at 02:59:35PM +0200, Kalle Valo wrote: >> Matthew Garrett <mjg59@xxxxxxxxxxxxx> writes: >> >> > Are we able to estimate the worst-case latency that will be introduced >> > by this? If so, it would be helpful to tie it into the pm_qos framework. >> >> I'm not familiar with pm_qos framework, unfortunately, but there's >> some work to do still to get mac80211 client power save implemention >> into shape and I would like get the basics implemented first. After >> that is done, we could start looking at the pm_qos framework and see >> if it makes sense to use it. > > It allows userspace applications to register their latency requirements. > There's a notifier chain that then allows drivers (or subsystems) to be > notified of the current requirements, the idea being that they can then > limit their deepest power saving mode to one that still satisfies the > userspace constraints. Do these constrainsts also include network latency? Do you have any suggestions for bedtime reading? :) -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html