Hi!
> Imagine for a moment that we solve time-warp somehow. Any other
> problems?
>
> Well, a user-level daemon have to process a lot of data just to detect user
> interaction. Considering that the trackpad bandwidth is nearly 5KB/sec,
> probably would be better to leave my panel alone... :-/
Ok, so we may want to introduce something like "tell me if some data
came from last time"... Actually, 5KB/sec is pretty much okay, and you
probably could get around actually reading that data.
When you know user is moving the touchpad, you could just sleep for 5
seconds (assuming user activity) and only then start monitoring it
again?
> I'd really like to get "is user idle" solved, but it really should not be in
> kernel unless it _has_ to. And time-warp probably causes problems not only
> for your daemon.
>
> IMHO signal the user-space is a kernel duty and no user-space daemon will ever
> make it better. There are plenty of PM daemons out there, but Linux still lacks
Well, I do not think your kernel code is mergeable. But bits to enable
similar functionality in userspace probably would be mergeable.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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