Date: Mon, 15 Aug 2011 08:59:05 +0800 From: ambrosehuang ambrose <ambrosehua@gmail.com> To: Shrikanth Kamath <shrikanth07@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: DTrace unable to dump typedef'ed argument Message-ID: <CAMwoQQ4WmY1V=_j1oJn46GGu_KA0kMe8ikodSckN_5eRbwu8aQ@mail.gmail.com> In-Reply-To: <CAMwoQQ7i9_zB52U98jx0S2ZzfYTupM8Jfte94Rp3MrfuYApahA@mail.gmail.com> References: <CAEOAkMXqWiO6QZQ8qAxH6ToX%2B2Em9mrTLU6h8Nqa=AUmc_LkYg@mail.gmail.com> <CAMwoQQ7i9_zB52U98jx0S2ZzfYTupM8Jfte94Rp3MrfuYApahA@mail.gmail.com>
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it has been fixed by kern/159064: [dtrace] MFC request for dtrace to fix "invalid probe specifier" 2011/8/14 ambrosehuang ambrose <ambrosehua@gmail.com> > same problem on 8.2-stable > > > 2011/8/10 Shrikanth Kamath <shrikanth07@gmail.com> > >> I found this on a FreeBSD 8.1 box... >> >> %dtrace -l -f rtalloc_fib -v >> >> ... >> Argument Types >> args[0]: struct route * >> args[1]: (unknown) >> >> The function defined in sys/net/route.c: void rtalloc_fib(struct route >> *ro, u_int fibnum) >> u_int is typedef unsigned int >> >> I checked the ctfdump for /boot/kernel/kernel and found u_int is a >> resolved type. >> >> [14077] FUNC (rtalloc_fib) returns: 29 args: (1335, 5) >> >> Checking the CTF table "5" is found to be a resolved typedef. >> >> <4> INTEGER unsigned int encoding=0x0 offset=0 bits=32 >> <5> TYPEDEF u_int refers to 4 >> >> But since it shows unknown with dtrace -l -f o/p, one cannot directly >> use args[1]. >> >> Is this a known problem, any fix or workaround? >> >> >> -- >> Shrikanth R K >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org >> " >> > >
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