Re: [PATCH rfc 0/6] Scheduler BPF
From: Roman Gushchin
Date: Thu Sep 16 2021 - 12:42:14 EST
Hello!
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.
>