[Bug 265337] There were annoying microfreezes lasting 0.1-0.2 sec at any work: scrolling through texts, watching videos, playing audio, even moving the window across the screen gave such delays.
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Date: Wed, 20 Jul 2022 13:48:12 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265337
Mark Johnston <markj@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|New |Open
CC| |markj@FreeBSD.org
--- Comment #1 from Mark Johnston <markj@FreeBSD.org> ---
If you are willing to test, please try building and running a kernel from the
main branch (no need to replace anything else) with default settings. A few
race conditions in the scheduler were fixed, which could result in CPUs going
idle with work to do. In some sense, setting steal_thresh=1 can work around
these problems.
> kern.sched.steal_thresh=1
> machdep.idle=mwait
Are both settings needed?
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