Messages in this thread | | | From | Josh Don <> | Date | Tue, 1 Mar 2022 16:41:57 -0800 | Subject | Re: [RFC PATCH 0/5] introduce sched-idle balancing |
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On Fri, Feb 25, 2022 at 5:36 AM Abel Wu <wuyun.abel@bytedance.com> wrote: [snip] > > Also place the filter first and do any measurements of any change to > > balancing versus the filter. I'm suggesting placing the filter first > > because it's less controversial than a new balancer. Just be aware that > > the filter alone is not a guarantee of merging as there have been a few > > approaches to filtering and so far all of them had downsides on either cost > > Yes, understood. I will adjust the patches as you suggested and send v2 > together with more tests next week.
+1 to trying the filter rather than introducing a new balance path.
We've found the sched_idle_cpu() checks in the wakeup path to be adequate in allowing non-idle tasks to fully consume cpu resources (but that of course relies on wakeup balancing, and not periodic balancing).
Please cc me on the next series.
Thanks, Josh
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