cvs commit: src/sys/kern sched_4bsd.c

[John Baldwin]

On Monday 28 July 2008 07:12:09 pm Julian Elischer wrote:
> John Baldwin wrote:
> > On Monday 28 July 2008 04:39:21 pm John Baldwin wrote:
> >> jhb         2008-07-28 20:39:21 UTC
> >>
> >>   FreeBSD src repository
> >>
> >>   Modified files:
> >>     sys/kern             sched_4bsd.c 
> >>   Log:
> >>   SVN rev 180937 on 2008-07-28 20:39:21Z by jhb
> >>   
> >>   When choosing a CPU for a thread in a cpuset, prefer the last CPU that 
the
> >>   thread ran on if there are no other CPUs in the set with a shorter 
per-CPU
> >>   runqueue.
> 
> would this help teh case where we set up a cpu set with all CPUs?
> 
> in other words shouldn't we just drop the single cpu runqueue
> and have this always turned on?

I'm not sure.  I think that fundamentally changes 4BSD a lot (much more like 
ULE) and it's useful to keep around for comparison.

-- 
John Baldwin