Date: Thu, 2 Dec 2010 21:46:40 -0800 From: Artem Belevich <fbsdlist@src.cx> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: DTrace: Sending ^C while running script produces no output Message-ID: <AANLkTikGYJiiqbx6v7xMtNpj4%2Bcom1i3ivDtyOegA4DZ@mail.gmail.com> In-Reply-To: <AANLkTikmxpRQY_nOD6SB32-nd7YTTgysv2zWgzv7ozYy@mail.gmail.com> References: <AANLkTikmxpRQY_nOD6SB32-nd7YTTgysv2zWgzv7ozYy@mail.gmail.com>
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On Thu, Dec 2, 2010 at 9:20 PM, Brandon Gooch <jamesbrandongooch@gmail.com> wrote: > I've been tinkering with DTrace a bit, and I've notice something > peculiar on each system I've tried it on. > > Sending ^C from the keyboard in the terminal (console, XTerm, Konsole) > produces no output [1]. > > For example, while trying out a one-liner (from > http://www.brendangregg.com/DTrace/dtrace_oneliners.txt): I've got two boxes, both running stable-8/amd64. stable/8 r215749 (+cyclic patch) - reliably produces output, though for some reason does not count anything for 32-bit apps. stable/8 r215546 - seems to have the problem you've described. I did get normal output once out of 10 or so attempts. Given that a recent version seems to be working, it may be worth it to update FreeBSD and try again. --Artem
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