jimweirich/rake — pull request #261 by jcs (2014-03-25 05:14:37+00:00)
Title: CpuCounter: use count_via_sysctl for all bsd's

FreeBSD, NetBSD, and OpenBSD and all forks that retain "bsd" in the os
name most likely have `sysctl hw.ncpu`, so try count_via_sysctl first