Messages in this thread | | | Date | Sun, 4 Oct 2020 17:21:08 +0100 | From | Mel Gorman <> | Subject | Re: [sched/fair] fcf0553db6: netperf.Throughput_Mbps -30.8% regression |
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On Sun, Oct 04, 2020 at 09:27:16PM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed a -30.8% regression of netperf.Throughput_Mbps due to commit: > > > commit: fcf0553db6f4c79387864f6e4ab4a891601f395e ("sched/fair: Remove meaningless imbalance calculation") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >
This commit was the start of a series that made large changes to load balancing. The series was not bisect-safe and has since been reconciled with the NUMA balancing. Any workload with a potential load balancing problem has to be checked against the latest kernel to see if the problem persists there. If it does, then tip/sched/core should be checked or 5.10-rc1 when it comes out as tip has a few more LB changes pending.
-- Mel Gorman SUSE Labs
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