Just a quick success report - kern/120138 does indeed solve the Phenom
X3 SCHED_ULE problem.
Attached patch against recent -STABLE in case someone else runs into
it in the near future:
--- sys/kern/sched_ule.c.orig 2008-12-08 05:07:30.000000000 +0100
+++ sys/kern/sched_ule.c 2009-03-11 00:09:43.000000000 +0100
@@ -1399,7 +1399,7 @@
* prevents excess thrashing on large machines and excess idle on
* smaller machines.
*/
- steal_thresh = min(ffs(mp_ncpus) - 1, 4);
+ steal_thresh = min(fls(mp_ncpus) - 1, 4);
affinity = SCHED_AFFINITY_DEFAULT;
#endif
}
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