Re: [patch] "HT scheduler", sched-2.5.63-B3

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Mar 06 2003 - 13:49:57 EST


On Thu, 2003-03-06 at 17:11, Ingo Molnar wrote:
> X is special. Especially in Andrew's wild-window-dragging experiment X is
> a pure CPU-bound task that just eats CPU cycles no end. There _only_ thing
> that makes it special is that there's a human looking at the output of the
> X client. This is information that is simply not available to the kernel.

Just like a streaming video server
Just like a 3D game using DRI

X isnt special at all. Research OS people have done stuff like time transfers
but I've not seen that in a production OS. In that situation an interactive
task blocking on a server hands on some of its interactiveness to whoever
services the request.

Thats not a trivial Linux addition however

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Mar 07 2003 - 22:00:32 EST