Re: [RFC] ftrace: Add support to keep some functions out of ftrace

Steven Rostedt
2022-07-22T16:37:50Z

On Fri, 22 Jul 2022 18:26:09 +0200
Jiri Olsa <olsajiri@gmail.com> wrote:

> > So, why not mark it as notrace? That will prevent ftrace from looking at it.
>
> there's still needs to be the instrument jump generated
> in order to use bpf_arch_text_poke on that

Can you explain the background on this. Why is bpf doing text_poke on
function entries? What was the direct use case for?

-- Steve