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

On Tue, 14 Jul 2026 10:42:10 -0400
Steven Rostedt <[email protected]> wrote:

> 
> 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/

Oops, thanks for reminding. Let me check.

> 
> -- Steve
> 
> 
> On Sat, 28 Oct 2023 12:34:12 +0900
> "Masami Hiramatsu (Google)" <[email protected]> wrote:
> 
> > From: Masami Hiramatsu (Google) <[email protected]>
> > 
> > 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) <[email protected]>
> > ---
> >  .../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
> 


-- 
Masami Hiramatsu (Google) <[email protected]>