Date: Sat, 2 Sep 2023 16:56:12 +0200 From: Mateusz Guzik <mjguzik@gmail.com> To: Alexander Leidinger <Alexander@leidinger.net> Cc: current@freebsd.org Subject: Re: 100% CPU time for sysctl command, not killable Message-ID: <CAGudoHG%2BvS7P-4WEa6NXPhnDp8jW%2BQMVGvqoRAKbfWm40h=n%2Bg@mail.gmail.com> In-Reply-To: <67616bb5b074851832053a0286c3c2fa@Leidinger.net> References: <67616bb5b074851832053a0286c3c2fa@Leidinger.net>
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On 8/20/23, Alexander Leidinger <Alexander@leidinger.net> wrote: > Hi, > > sysctl kern.maxvnodes=1048576000 results in 100% CPU and a non-killable > sysctl program. This is somewhat unexpected... > fixed here https://cgit.freebsd.org/src/commit/?id=32988c1499f8698b41e15ed40a46d271e757bba3 employing basic profiling tooling immediately shows the issue, in this case for example: pmcstat -S inst_retired.any_p -TI > Bye, > Alexander. > > -- > http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF > http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF > > -- Mateusz Guzik <mjguzik gmail.com>
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