Re: [PATCH] selftests/ftrace: Add test case for a symbol in a module without module name

[Steven Rostedt <rostedt@goodmis.org>]

Is this still a think, or can we remove it from patchwork?

  https://patchwork.kernel.org/project/linux-trace-kernel/patch/169846405196.88147.17766692778800222203.stgit@devnote2/

-- Steve


On Sat, 28 Oct 2023 12:34:12 +0900
"Masami Hiramatsu (Google)" <mhiramat@kernel.org> wrote:

> From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> 
> Add a test case for probing on a symbol in a module without module name.
> When probing on a symbol in a module, ftrace accepts both the syntax that
> <MODNAME>:<SYMBOL> and <SYMBOL>. Current test case only checks the former
> syntax. This adds a test for the latter one.
> 
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> ---
>  .../ftrace/test.d/kprobe/kprobe_module.tc          |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
> index 7e74ee11edf9..4b32e1b9a8d3 100644
> --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
> +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc
> @@ -13,6 +13,12 @@ fi
>  MOD=trace_printk
>  FUNC=trace_printk_irq_work
>  
> +:;: "Add an event on a module function without module name" ;:
> +
> +echo "p:event0 $FUNC" > kprobe_events
> +test -d events/kprobes/event0 || exit_failure
> +echo "-:kprobes/event0" >> kprobe_events
> +
>  :;: "Add an event on a module function without specifying event name" ;:
>  
>  echo "p $MOD:$FUNC" > kprobe_events