ULE vs. 4BSD in RELENG_7

Josh Carroll josh.carroll at gmail.com
Wed Oct 24 08:46:36 PDT 2007

> kern.sched.steal_thresh is/was one of the more effective tuning sysctls. rev
> 1.205 of sched_ule had a change that was supposed to automatically adjust it
> based on the number of cores. Is this the same 8 core system as the
> other thread? In that case the commit dictates steal_thresh should be set to
> 3. Give that a try.

This is a quad core (single cpu) system. Do these values look proper then?

kern.sched.steal_thresh: 2
kern.sched.steal_idle: 1
kern.sched.steal_htt: 1


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