[Bug 295043] pf: per-packet microuptime() calls from 0493260115db cause major throughput regression with expensive timecounters
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Date: Thu, 21 May 2026 21:20:10 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295043
--- Comment #1 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=e4130ac13d2fe9c17b8f8e86d39a7b5223fe7b79
commit e4130ac13d2fe9c17b8f8e86d39a7b5223fe7b79
Author: Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2026-05-21 11:31:11 +0000
Commit: Kristof Provost <kp@FreeBSD.org>
CommitDate: 2026-05-21 21:19:50 +0000
pf: switch to getmicro(up)time()
It is reported that micro(up)time() performs poorly in certain
virtualisation scenarios. Absolute accuracy isn't required here, so
switch to the slightly less accurate (as per the man page) get-variants.
PR: 295043
MFC after: 3 weeks
Sponsored by: Rubicon Communications, LLC ("Netgate")
sys/net/pfvar.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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