SCHED_ULE should not be the default

[Garrett Wollman]

In article <4EE6295B.3020308 at cran.org.uk>, brucecran.org.uk writes:

>This isn't something that can be fixed by tuning ULE? For example for 
>desktop applications kern.sched.preempt_thresh should be set to 224 from 
>its default.

Where do you get that idea?  I've never seen any evidence for this
proposition (although the claim is repeated often enough).  What are
the specific circumstances that make this useful?  Where did the
number come from?

-GAWollman