On Thu, Apr 15, 2021 at 07:30:32PM -0400, Steven Rostedt wrote: > On Thu, 15 Apr 2021 23:49:43 +0200 > Jiri Olsa <jolsa@xxxxxxxxxx> wrote: > > > > right, I quickly checked on that and it looks exactly like > > the thing we need > > > > I'll try to rebase that on the current code and try to use > > it with the bpf ftrace probe to see how it fits > > > > any chance you could plan on reposting it? ;-) > > I'm currently working on cleaning up code for the next merge window, > but I did go ahead and rebase it on top of my for-next branch. I didn't > event try to compile it, but at least it's rebased ;-) > > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git > > Branch: ftrace/fgraph-multi works nicely (with small compilation fixes) I added support to call bpf program on the function exit using fgraph_ops and it seems to work now, it looks like the fgraph_ops entry callback does not have access to registers.. once we have that, we could store arguments for the exit callback and have all in place.. could this be added? ;-) thanks, jirka
