Em Wed, Apr 11, 2012 at 10:42:25PM +0530, Srikar Dronamraju escreveu: > * Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxx> [2012-04-11 11:49:18]: > > Em Wed, Apr 11, 2012 at 07:27:42PM +0530, Srikar Dronamraju escreveu: > > > From: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> > > > > > > - Enhances perf to probe user space executables and libraries. > > > - Enhances -F/--funcs option of "perf probe" to list possible probe points in > > > an executable file or library. > > > - Documents userspace probing support in perf. > > > > > > [ Probing a function in the executable using function name ] > > > perf probe -x /bin/zsh zfree > > > > Can we avoid the need for -x? I.e. we could figure out it is userspace > > and act accordingly. > > To list the functions in the module ipv6, we use "perf probe -F -m ipv6" > So I used the same logic to use -x for specifying executables. > > This is in agreement with probepoint addition where without any > additional options would mean kernel probepoint; m option would mean > module and x option would mean user space executable. > > However if you still think we should change, do let me know. Yeah, if one needs to disambiguate, sure, use these keywords, but for things like: $ perf probe /lib/libc.so.6 malloc I think it is easy to figure out it is userspace. I.e. some regex would figure it out. Anyway this can be done in a follow up patch. - Arnaldo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>