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Date:      Thu, 2 Dec 2010 21:48:51 -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:  <AANLkTi=T21q%2B_N577xcxb755RYP2OmpA3BEJrGnJ5CmD@mail.gmail.com>
In-Reply-To: <AANLkTikGYJiiqbx6v7xMtNpj4%2Bcom1i3ivDtyOegA4DZ@mail.gmail.com>
References:  <AANLkTikmxpRQY_nOD6SB32-nd7YTTgysv2zWgzv7ozYy@mail.gmail.com> <AANLkTikGYJiiqbx6v7xMtNpj4%2Bcom1i3ivDtyOegA4DZ@mail.gmail.com>

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On Thu, Dec 2, 2010 at 9:46 PM, Artem Belevich <fbsdlist@src.cx> wrote:
> 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.

Tried on another box, also amd64:

stable/8 r212650 - works fine.

--Artem



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