[Bug 270785] Performance and power efficiency regression due to pthread_cond_timedwait() changes

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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 25 Apr 2023 00:39:10 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270785

--- Comment #19 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=68a69739cb902d083aacdb0974b9b957e0e1353b

commit 68a69739cb902d083aacdb0974b9b957e0e1353b
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-04-15 17:46:12 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2023-04-25 00:27:27 +0000

    umtx: allow to configure minimal timeout (in nanoseconds)

    PR:     270785

    (cherry picked from commit 93ca6ff2958cace3b7b883ed797ea6539881a6a2)

 lib/libc/sys/_umtx_op.2      | 11 +++++++++++
 lib/libthr/libthr.3          |  6 ++++++
 lib/libthr/thread/thr_init.c | 11 +++++++++++
 sys/kern/kern_fork.c         |  1 +
 sys/kern/kern_umtx.c         | 45 ++++++++++++++++++++++++++++++++++++++++++++
 sys/sys/proc.h               |  1 +
 sys/sys/umtx.h               |  2 ++
 7 files changed, 77 insertions(+)

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