Re: [PATCH -tip v4 12/12] tracing: Show kretprobe unknown indicator only for kretprobe_trampoline
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- To: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
- Subject: Re: [PATCH -tip v4 12/12] tracing: Show kretprobe unknown indicator only for kretprobe_trampoline
- From: Steven Rostedt <rostedt@xxxxxxxxxxx>
- Date: Mon, 22 Mar 2021 11:11:42 -0400
- Cc: Ingo Molnar <mingo@xxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, Daniel Xu <dxu@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, kuba@xxxxxxxxxx, mingo@xxxxxxxxxx, ast@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, kernel-team@xxxxxx, yhs@xxxxxx, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, Abhishek Sagar <sagar.abhishek@xxxxxxxxx>
- In-reply-to: <161639532235.895304.18329540036405219298.stgit@devnote2>
- References: <161639518354.895304.15627519393073806809.stgit@devnote2> <161639532235.895304.18329540036405219298.stgit@devnote2>
On Mon, 22 Mar 2021 15:42:02 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
> ftrace shows "[unknown/kretprobe'd]" indicator all addresses in the
> kretprobe_trampoline, but the modified address by kretprobe should
> be only kretprobe_trampoline+0.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
-- Steve
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