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

[email protected] Tue, 18 Apr 2023 23:23:29 +0000

Newsgroups	gmane.os.freebsd.devel.threading
Message-ID	<[email protected]/bugzilla/>

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

--- Comment #17 from [email protected] ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=93ca6ff2958cace3b7b883ed797ea6539881a6a2

commit 93ca6ff2958cace3b7b883ed797ea6539881a6a2
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2023-04-15 17:46:12 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2023-04-18 23:22:28 +0000

    umtx: allow to configure minimal timeout (in nanoseconds)

    PR:     270785
    Reviewed by:    markj, mav
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D39584

 lib/libc/sys/_umtx_op.2      | 11 +++++++++++
 lib/libthr/libthr.3          |  6 ++++++
 lib/libthr/thread/thr_init.c | 11 +++++++++++
 sys/kern/kern_thread.c       |  4 ++--
 sys/kern/kern_umtx.c         | 45 ++++++++++++++++++++++++++++++++++++++++++++
 sys/sys/proc.h               |  1 +
 sys/sys/umtx.h               |  2 ++
 7 files changed, 78 insertions(+), 2 deletions(-)

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