On 01/28/21 18:31, Valentin Schneider wrote: > Hi folks, > > Here is this year's series of misfit changes. On the menu: > > o Patch 1 is an independent active balance cleanup > o Patch 2 adds some more sched_asym_cpucapacity static branches > o Patch 3 introduces yet another margin for capacity to capacity > comparisons > o Patches 4-6 build on top of patch 3 and change capacity comparisons > throughout misfit load balancing > o Patches 7-8 fix some extra misfit issues I've been seeing on "real" > workloads. > > IMO the somewhat controversial bit is patch 3, because it attempts to solve > margin issues by... Adding another margin. This does solve issues on > existing platforms (e.g. Pixel4), but we'll be back to square one the day > some "clever" folks spin a platform with two different CPU capacities less > than > 5% apart.
One more margin is a cause of apprehension to me. But in this case I think it is the appropriate thing to do now. I can't think of a scenario where this could hurt. Thanks -- Qais Yousef
