On 2022-09-16 17:28:00 [-0300], Danilo Cezar Zanella wrote: > Hi Sebastian, Hi Danilo, please don't lose the list. > > No, not as far I can tell. > It sounds good. ;-) > > > It looks like the function_graph tracer is busted in v4.19 even without the PREEMPT_RT patch. > It sounds bad... :-( > > I'm new in LKM development and even more in Kernel tracing. > I've tested 'nop' and 'function' tracing, both seem to work. Do you > know when this issue was solved? Perhaps could I do a backport of > it(if it is easy, of course)? I managed to reproduce it on v4.19 but on v6.0-rcX. So it must have been fixed somehow in between. I browsed the history but I did not notice anything obvious. So someone needs to dig deeper… > Thank you again > > Danilo Sebastian
