Re: Status of SCHED_ULE?

On Sunday 28 September 2003 14:38, Matt wrote:
> Morten Rodal wrote:
> > On Sun, Sep 28, 2003 at 01:26:24PM +0100, Matt wrote:
> >>Morten Rodal wrote:
> >>>On Sat, Sep 27, 2003 at 11:31:25PM -0400, Jeff Roberson wrote:
> >>>>On Sat, 27 Sep 2003, Morten Rodal wrote:
> >>>>>It has improved quite a bit lately, and is now also working with KSE.
> >>>>>However, the mouse will get sluggish whenever the computer is under
> >>>>>bursts of load (i.e. a compile)
> >>>>
> >>>>I have not had this experience.  Can you give me details of your
> >>>> machine and the kind of load that causes slugishness?  I'll correct it
> >>>> as soon as I can identify it.
> >>>
> >>>The machine is an dual Pentium 2 300MHz, and I'm running gnome 2.4.
> >>>I do also experience this with my computer at school, a single Pentium3
> >>>733MHz.
> >>>
> >>>The load isn't very complicated, usually just gnome 2.4 and mozilla
> >>>firebird running.  If I then do anything that requires lots of cpu,
> >>>like a compile of a program, the interactivity drops fast.
> >>>
> >>>On the dual machine I have also experienced a *HUGE* increase in the
> >>>time for "portupgrade -ar" to complete.  I am not familiar with how
> >>>portupgrade works, but it seems to spawn a few make's and sort's, but
> >>>I am not sure why it is currently using 3 hours instead of 10 minutes
> >>>to complete! (This was tested when there was no packages to upgrade,
> >>>which shouldn't take long)
> >>>
> >>>Both machines (this dual and the one at school) are running with a
> >>>libmap.conf in order to use libkse, is this perhaps affecting the
> >>>performance of ULE?
> >>>
> >>>I am not sure how useful this is to you, but if you have any other
> >>>pointers as to what I should look at just ask.
> >>
> >>Are you running 5.1-release or 5.1-current?
> >>
> >>I ask because I have used ULE on two different kernels so far on this
> >>box. One was 5.1-release running gnome2, mozilla, xmms. On this the
> >>mouse stutters really badly whenever anything is being compiled.
> >>
> >>However on the 5.1-current kernel this behavior no longer happens and
> >>the mouse is fine.
> >>
> >>I suspect ULE has had a few enhancements between the release and now.
> >
> > I am running 5.1-current
> >
> > Dual machine:
> > FreeBSD slurp.rodal.no 5.1-CURRENT FreeBSD 5.1-CURRENT #3: Thu Sep 25
> > 04:03:23 CEST 2003     root_at_slurp.rodal.no:/usr/obj/usr/src/sys/slurp
> > i386
> >
> > School computer:
> > FreeBSD hauk10.idi.ntnu.no 5.1-CURRENT FreeBSD 5.1-CURRENT #2: Fri Sep 26
> > 09:12:55 CEST 2003 root_at_hauk10.idi.ntnu.no:/usr/obj/usr/src/sys/hauk10 
> > i386
>
> Ahh I tell you the other difference. I had a USB mouse when I tried ULE
> with 5.1-release and it stuttered. It's just a ps2 one on the current
> kernel where it's not stuttering.
>
> Matt.

I have a PS/2 mouse, I run -CURRENT from 2 days ago, and I experience the 
stuttering too.

It happens when compiling stuff, when loading complicated pages in Mozilla 
Firebird, and when logging out of GNOME 2.4 (the 'background fade' animation 
brings my Athlon XP 2000+ to its knees when I use SCHED_ULE).

Arjan