[Bug 256594] AMD Ryzen CPU stutter (responsiveness lag)

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 12 Oct 2024 15:55:20 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256594

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|New                         |Open
                 CC|                            |markj@FreeBSD.org

--- Comment #13 from Mark Johnston <markj@FreeBSD.org> ---
We have fixed a number of race conditions in the scheduler which could cause
high latency when scheduling threads:

https://cgit.freebsd.org/src/commit/?id=6d3f74a14a83b867c273c6be2599da182a9b9ec7
https://cgit.freebsd.org/src/commit/?id=03f868b163ad46d6f7cb03dc46fb83ca01fb8f69
https://cgit.freebsd.org/src/commit/?id=a889a65ba36985dfb31111ac1607be35ca2b2c8c

I wonder if the problem persists on recent releases? i.e., 14.0+, 13.2+.

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