On Mon, Feb 05, 2018 at 10:50:41PM -0800, Joel Fernandes wrote: > That's Ok with me. Just that I remember Peter messing with this path > and that it was expensive to scan too much for some systems. The other > thing is you're really doing to do a "fail safe" as you call it search > here with SIS_PROP set. Do you see a difference in perf when doing the > same approach as you took in select_idle_core? > > Peter, are you with the approach Rohit has adopted to pick best > capacity idle CPU in select_idle_cpu? I guess nr--; will bail out > early if we have SIS_PROP set, incase the scan cost gets too much but > then again we might end scanning too few CPUs.
_IF_ you want to consider capacity, I don't think there's much else you can do. And yes, nr-- might have to save the day more often.
