Em Wed, Jan 28, 2009 at 02:58:28PM +0100, Frédéric Weisbecker escreveu: > 2009/1/28 Frank Ch. Eigler <f...@redhat.com>: > > Frederic Weisbecker <fweis...@gmail.com> writes: > > > >> [...] > >> Speaking about a global syscall tracer, I made a patch to trace only the > >> syscalls > >> with the function-graph-tracer. > >> http://lkml.org/lkml/2008/12/30/267 This low-level part can easily > >> be used by all tracers that would like to inspect syscalls. > >> [...] > >> Just a change is needed: Steven requested that the part inside > >> syscall_trace_enter become a tracepoint, making it totally shareable > >> between tracers and easy to turn on and off. > > > > Alternately, you could just rely on utrace's hooks. They were thought > > out more fully with respect to parameter access, manipulation, and > > programmatic control befitting even a debugger. > > > > > > - FChE > > > > I don't know much it. But I will soon have some time to look at your > patch which uses ftrace from utrace. > Anyway, are there some plans about utrace to be merged? Unless I > couldn't be able to use > it...
Well, one of the reasons for utrace not to be merged, IIRC, was that there would be no users in-kernel. With Frank's ftrace plugin that is not true anymore. - Arnaldo
