Messages in this thread | | | From | Vineeth Pillai <> | Date | Fri, 6 Oct 2023 17:20:41 -0400 | Subject | Re: [PATCH RFC] sched/fair: Avoid unnecessary IPIs for ILB |
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Hi Shrikanth,
> Hi Joel/Vineeth. > > Its an interesting patch. > > Gave this patch a try on powerpc system with 96 CPU. (12 cores SMT8) > Was debugging an issue where ILB count goes up significantly at a specific > busy CPU count. Haven't yet found out why. Its WIP. Was curious if this patch > would address that issue. > Increased SCHED_SOFTIRQ was another problem that we noticed and we have a separate fix for that in the chromeos tree. We were planning to send the patch after a bit more testing. You could try the patch and see if it solves the problem that you are seeing: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/918f229ba2ff720f5dfae4768469acbb6ea39fe2
Thanks
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