Date: Wed, 4 Dec 2013 10:43:03 -0700 From: Michael Harsch <michaelharsch@hotmail.com> To: Prashanth Kumar <pra_udupi@yahoo.co.in> Cc: freebsd-dtrace@freebsd.org Subject: Re: dtrace usdt Message-ID: <CAHfNqiDmAFPF%2BafzQfTfwTQn7M8g8RxrHNd9BcLWV0_ko19GNw@mail.gmail.com> In-Reply-To: <1386152979.40087.YahooMailBasic@web192605.mail.sg3.yahoo.com> References: <1386152979.40087.YahooMailBasic@web192605.mail.sg3.yahoo.com>
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Hi Prashanth, I've reproduced this on 10.0BETA4. It appears to be specific to i386; the same test works fine on amd64. On Wed, Dec 4, 2013 at 3:29 AM, Prashanth Kumar <pra_udupi@yahoo.co.in> wrote: > Hi > Tried running the dtrace usdt example code from freebsd dtrace userland wiki page. > (https://wiki.freebsd.org/DTrace/userland). > > If run standalone the program segfaults. > # ./db > Bus error (core dumped) > > If run with dtrace > > # dtrace -s db.d -c ./db > dtrace: script 'db.d' matched 2 probes > CPU ID FUNCTION:NAME > 0 43245 main:query-start Query: SELECT * FROM apples > > the program hungs after printing the first probe. > > Had to use the following command > # env WITH_DTRACE=1 make > > to build the program. Is there any other steps that i have missed to make the program work?. > This was tested on FreeBSD 10BETA1 - i386. > > regards > Prashanth > _______________________________________________ > freebsd-dtrace@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-dtrace > To unsubscribe, send any mail to "freebsd-dtrace-unsubscribe@freebsd.org" >
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