Date: Thu, 8 May 2014 17:00:08 -0600 From: Alan Somers <asomers@freebsd.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, Alan Somers <asomers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, trociny@freebsd.org, Bruce Evans <brde@optusnet.com.au>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r265472 - head/bin/dd Message-ID: <CAOtMX2g5BOjk3vp_sF1M00HFYzXQJ7eUxk3kHj_2U_j--OAsMw@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1405090250540.85974@woozle.rinet.ru> References: <201405062206.s46M6dxW060155@svn.freebsd.org> <20140507113345.B923@besplex.bde.org> <CAOtMX2h_%2B1G18Nv5JvDE0H7_TZ96p81JotOwhq1Jm-dOOeahPw@mail.gmail.com> <alpine.BSF.2.00.1405090250540.85974@woozle.rinet.ru>
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On Thu, May 8, 2014 at 4:55 PM, Dmitry Morozovsky <marck@rinet.ru> wrote: > On Wed, 7 May 2014, Alan Somers wrote: > > [snip] > >> Even if nanosecond resolution isn't useful, monotonicity is. Nobody >> should be using a nonmonotonic clock just to measure durations. I >> started an audit of all of FreeBSD to look for other programs that use >> gettimeofday to measure durations. I haven't finished, but I've >> already found a lot, including xz, ping, hastd, fetch, systat, powerd, >> and others. I don't have time to fix them, though. Would you be >> interested, or do you know anyone else who would? > > From your list, hastd seems to be the most dangerous point to me. > > Adding trociny@ as one of the most active hastd-related committers so the issue > would not be lost in the areas... In hastd's case, the problematic comparison is only used to print debugging info. It happens twice, in primary.c lines 1978 and 2039. > > -- > Sincerely, > D.Marck [DM5020, MCK-RIPE, DM3-RIPN] > [ FreeBSD committer: marck@FreeBSD.org ] > ------------------------------------------------------------------------ > *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** > ------------------------------------------------------------------------
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