Date: Fri, 03 Jul 1998 14:09:52 +0200 From: Marc van Kempen <marc@bowtie.nl> To: Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE> Cc: freebsd-hackers@freefall.cdrom.com Subject: Re: trace/KTRACE Message-ID: <199807031209.OAA24029@bowtie.nl> In-Reply-To: kuku's message of Fri, 03 Jul 1998 11:24:53 %2B0200. <199807030924.LAA20365@gilberto.physik.RWTH-Aachen.DE>
next in thread | previous in thread | raw e-mail | index | archive | help
> I would like to find out where an application 'hangs' for > some overly long time (possibly a network/socket call or something) > > Recently I grabbed out 'trace-1.6' for a HP-UX machine which is > supposed to be based on the SUN kernel trace interface. > > The problem using the kernel option KTRACE would be > that I cannot watch the application as it performs, instead I can > only trace 'a posteriori'. > > Would the be a way to support this utility and the kernel trace interface > under FreeBSD? > > Or are there any other ways (other than profiling, which is also an a > posteriori method) to 'watch' what an app does? > Can't you use gdb and attach to the running process? gdb 'progname' 'pid' Marc. ---------------------------------------------------- Marc van Kempen BowTie Technology Email: marc@bowtie.nl WWW & Databases tel. +31 40 2 43 20 65 fax. +31 40 2 44 21 86 http://www.bowtie.nl ---------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199807031209.OAA24029>