On Fri, Feb 02, 2018 at 01:34:58PM -0500, Steven Sistare wrote: > Actually, I take back my take back. I suspect the primary benefit > of random selection is that it breaks up resonance states where > CPUs that are busy tend to stay busy, and CPUs that are idle tend > to stay idle, which is reinforced by starting the search at target = > last cpu ran.
Which, according to there here patches: https://lkml.kernel.org/r/20180130104555.4125-1-mgor...@techsingularity.net is a good thing, because of power management.