Re: [PATCH v4] [RFC] trace: Add kprobe on tracepoint

From: Steven Rostedt
Date: Thu Aug 12 2021 - 00:06:36 EST

On Thu, 12 Aug 2021 10:27:35 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> I like to prohibit latter one. It is my feeling, but I think it is
> natural that the eprobe is only for the static events, and I also think
> dereferencing a pointer-type field in raw-event is more reliable than
> dereferencing a digit value passed to the synthetic event.

Although I believe we need to attach eprobes to synthetic events, for
the reasons I stated in my previous email. I'm perfectly happy to
forbid them from attaching to kprobe or uprobe events. Because,
honestly, eprobes do not give you anything that a kprobe nor uprobe can
give you.

-- Steve