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I'm sorry, somehow the patchset didn't reach mailing lists and at least some recepients yesterday (I'm digging into why). Resending with a fewer people in the cc list, which probably was the reason. Thanks! On Thu, Sep 16, 2021 at 09:24:45AM -0700, Roman Gushchin wrote: > There is a long history of distro people, system administrators, and > application owners tuning the CFS settings in /proc/sys, which are now > in debugfs. Looking at what these settings actually did, it ended up > boiling down to changing the likelihood of task preemption, or > disabling it by setting the wakeup_granularity_ns to more than half of > the latency_ns. The other settings didn't really do much for > performance. >