hi all, I'm pretty much using tags,grep for doing source code tracing, but i had seen super software source inside running on MS windows ,it will give call graph and all its superb but there must some utilities in linux too plz let me know lxr i knew already bye thanks __________________________________ Do you Yahoo!? Vote for the stars of Yahoo!'s next ad campaign! http://advision.webevents.yahoo.com/yahoo/votelifeengine/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/