On Thu, 11 Oct 2018 23:00:21 -0400 Steven Rostedt <rost...@goodmis.org> wrote:
> A while ago I posted an RFC patchset for dynamic function based > events. But Masami pointed out that this could be done with kprobes > with minimal changes. He posted a patch set back in March > http://lkml.kernel.org/r/152049860385.7289.14079393589900496424.stgit@devbox > I've pulled this in locally, but haven't had the time until recently > to look at it seriously. I even plan to talk about these changes in > my talk at Open Source Summit in Edinburgh less than two weeks away > (talk about conference driven development!). > Anyway, the one patch that really needs external approval is the one > that creates a new architecture dependent API to retrieve function > arguments from pt_regs if the ip is at the start of the function call > (via a breakpoint or ftrace fentry). That's this patch. > > Anyone have any issues with it? If not, I'm going to start doing some > serious testing of this code and try to get it into the next merge > window. You can also play with the full repo here: git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git branch: ftrace/kprobes -- Steve
