Messages in this thread | | | Date | Tue, 24 Apr 2018 14:48:55 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/3] sched: limit cpu search and rotate search window for scalability |
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On Mon, Apr 23, 2018 at 05:41:16PM -0700, subhra mazumdar wrote: > Lower the lower limit of idle cpu search in select_idle_cpu() and also put > an upper limit. This helps in scalability of the search by restricting the > search window. Also rotating the search window with help of next_cpu > ensures any idle cpu is eventually found in case of high load.
So this patch does 2 (possibly 3) things, that's not good.
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