[PATCH] smartsched: Tweak the default scheduler intervals

[Mark Kettenis]

> From: Adam Jackson <ajax at redhat.com>
> Date: Tue,  5 Nov 2013 10:41:32 -0500
> 
> A default timeslice of 20ms means a pathological client can ruin up to
> two frames per scheduler tick.  And a fifth of a second is just insane.
> 
> Pick two different numbers out of the hat.  A 5ms slice means you can
> probably keep up with two or three abusive clients, and letting it burst
> to 15ms should give you about all the timeslice you need for a
> fullscreen game (that's doing server-side rendering for some reason).
> I suspect this is about as good as we can do without actually going
> preemptive, which is an entire other nightmare.

What would the consequence of these new timings be on a kernel that
has a "traditional" 10ms timeslice?  I have a suspicion that the new
timings would effectively disable the effects of "smart" scheduling...

> ---
>  dix/dispatch.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)