Re: [patch] sched-2.6.0-test1-G6, interactivity changes

[Mike Galbraith <efault@gmx.de>]

At 11:45 PM 7/27/2003 -0700, Andre Hedrick wrote:

>On Mon, 28 Jul 2003, Mike Galbraith wrote:
>
> > At 09:18 PM 7/27/2003 +0200, Felipe Alfaro Solana wrote:
> > >On Sun, 2003-07-27 at 15:40, Ingo Molnar wrote:
> > > > my latest scheduler patchset can be found at:
> > > >
> > > >       redhat.com/~mingo/O(1)-scheduler/sched-2.6.0-test1-G6
> > > >
> > > > this version takes a shot at more scheduling fairness - i'd be 
> interested
> > > > how it works out for others.
> > >
> > >This -G6 patch is fantastic, even without nicing the X server. I didn't
> > >even need to tweak any kernel scheduler knob to adjust for maximum
> > >smoothness on my desktop. Response times are impressive, even under
> > >heavy load. Great!
> >
> > Can you try the following please?
> >
> > This one I just noticed:
> > 1.  start top.
> > 2.  start dd if=/dev/zero | dd of=/dev/null
> > 3.  wiggle a window very briefly.
> > Here, X becomes extremely jerky, and I think this is due to two
> > things.  One, X uses it's sleep_avg very quickly, and expires.  Two, the
> > piped dd now is highly interactive due to the ns resolution clock (uhoh).
>
>What kind of LAME test is this?  If "X becomes extremely jerky" ?

Huh?  The point is that piped cpu hogs just became high priority.

>Sheesh, somebody come up with a build class solution.
>
>CONFIG_SERVER
>CONFIG_WORKSTATION
>CONGIG_IAMAGEEKWHOPLAYSGAMES
>CONFIG_GENERIC_LAMER
>
>Determining quality of the scheduler based on how a mouse responds is ...
>
>Sorry but this is just laughable, emperical subjective determination
>based on a random hardware combinations for QA/QC for a test?
>
>Don't bother replying cause last thing I want to know is why.

Oh, I see, you just felt like doing some mindless flaming.

         -Mike