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Subject: [Bug 220816] kevent timer is not precise
Date: Tue, 18 Jul 2017 04:56:05 +0000
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: CURRENT
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X-Bugzilla-Severity: Affects Only Me
X-Bugzilla-Who: panjie@arraynetworks.com.cn
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220816

            Bug ID: 220816
           Summary: kevent timer is not precise
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: panjie@arraynetworks.com.cn

hi=EF=BC=8CI encounter a issue about kevent, I register a timer event(EVFIL=
T_TIMER) in
kevent with timeout 500ms, but it is not very precise, kevent() often return
after more than 500ms, sometimes even more than 1 second, is it a known iss=
ue
on FreeBSD 7.0?

Please help, thanks.

FYI:

SQ3-2F-APV8600-YW-external-01# uname -a
FreeBSD SQ3-2F-APV8600-YW-external-01 7.0-RELEASE FreeBSD 7.0-RELEASE #0: M=
on
Mar 13 17:38:00 CST 2017   amd64

--=20
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