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Date:      Fri, 15 May 2020 13:14:13 +0200
From:      Daniel Ebdrup Jensen <debdrup@FreeBSD.org>
To:        freebsd-arch@freebsd.org, FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: [HEADSUP] Disallowing read() of a directory fd
Message-ID:  <20200515111413.f42c4howkre4btnc@nerd-thinkpad.local>
In-Reply-To: <e5a21dd4-6c53-2dca-8fa8-387e2532b7c8@freebsd.org>
References:  <CACNAnaFszg%2BQWPRS0kghsnQMxXc%2B5niPTTNiUPSmK60YyBGCzA@mail.gmail.com> <202005142017.04EKH0aA093503@fire.js.berklix.net> <CAOtMX2i2Z-KX=3rYR2nZ1g1Lb_tF==H3xPKcQMBxJs1Kqr-meQ@mail.gmail.com> <20200514203030.GT82984@trajan.stk.cx> <20200515011258.GW82984@trajan.stk.cx> <e5a21dd4-6c53-2dca-8fa8-387e2532b7c8@freebsd.org>

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On Fri, May 15, 2020 at 11:47:44AM +0200, Stefan E=DFer wrote:
>And I'm convinced that any developer going to work on that part of UFS
>would consider adding debug code to provide or display that information
>(or remove the error return just for local testing) a minor annoyance.
>[SNIP]
>
>Regards, STefan
>_______________________________________________
>freebsd-arch@freebsd.org mailing list
>https://lists.freebsd.org/mailman/listinfo/freebsd-arch
>To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org"

They could also add tracepoints for dtrace, and commit them to the tree so=
=20
everyone can use them. :)

Afterall, there's only +82k tracepoints (on FreeBSD 12.1-RELEASE, probably =
more=20
in -CURRENT), so there's clearly room for improvement, especially when you =
look=20
at the distribution with:
dtrace -l | awk '{ print $2 }' | uniq -c | sort -n

Yours,
Daniel Ebdrup Jensen

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