Messages in this thread | | | Subject | Re: [PATCH v5 1/5] sched/fair: Ignore SIS_UTIL when has idle core | From | Tim Chen <> | Date | Wed, 14 Sep 2022 14:58:44 -0700 |
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On Fri, 2022-09-09 at 13:53 +0800, Abel Wu wrote: > When SIS_UTIL is enabled, SIS domain scan will be skipped if the > LLC is overloaded even the has_idle_core hint is true. Since idle > load balancing is triggered at tick boundary, the idle cores can > stay cold for the whole tick period wasting time meanwhile some > of other cpus might be overloaded. > > Give it a chance to scan for idle cores if the hint implies a > worthy effort.
Reviewed-by: Tim Chen <tim.c.chen@linux.intel.com> >
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