Re: ULE nice behavior fixed.

On Thu, 3 Apr 2003, Vallo Kallaste wrote:

> On Wed, Apr 02, 2003 at 07:35:59PM -0500, Jeff Roberson
> <jroberson_at_chesapeake.net> wrote:
>
> > Do you know of any problem other than idlepri breakage?  I just fixed
> > that.  I'm about to get on a plane so I don't have time to benchmark it.
> > If you have a chance I'd love to see how the most recent fixes effect your
> > buildworld time.
> >
> > I still have to microoptimize the code a bit to get rid of switch
> > statements etc, but it all works.
>
> Interactivity is still worse under ULE. It's quite noticeable and I
> tested it on two SMP boxes by running two simple loops in kind of:
> for ((;;)); do let $((4+4)); done # this is bash specific
>
> The loops ran under nice +20. Typing in the xterm is jerky,
> characters will not show up immediately, but in small "bursts". I
> mean that about three characters typed in will show up immediately,
> then small pause happens and a burst of characters (which queued up
> in the pause) will show up. This is annoying. Starting up xterm
> takes more time as well, but I can live with that.
> --

This is strange, I am not seeing any of this behavior.  What is the
version of your sched_ule.c?  I made more changes very recently.

Thanks,
Jeff