Re: [PATCH 0/3] selftests/tracing: Fix some testcases for recent change

From: Steven Rostedt
Date: Sun Jan 08 2023 - 16:31:43 EST


On Sat, 7 Jan 2023 22:32:08 +0900
"Masami Hiramatsu (Google)" <mhiramat@xxxxxxxxxx> wrote:

> This includes some patches to fix 2 issues on ftrace selftests.
>
> - eprobe filter and eprobe syntax test case were introduced but it
> doesn't check whether the kernel supports eprobe filter. Thus the
> new test case fails on the kernel which has eprobe but not support
> eprobe filter. To solve this issue, add a filter description to
> README file [1/3] and run the filter syntax error test only if the
> description is found in the README file [2/3].
>
> - Recently objtool adds prefix symbols for the function padding nops,
> and the probepoint test case fails because this probepoint test case
> tests whether the kprobe event can probe the target function and the
> functions next to the target function. But the prefix symbols can not
> be probed. Thus these prefix symbols must be skipped [3/3].
>
> Thank you,
>
> ---
>
> Masami Hiramatsu (Google) (3):
> tracing/eprobe: Fix to add filter on eprobe description in README file
> selftests/ftrace: Fix eprobe syntax test case to check filter support
> selftests/ftrace: Fix probepoint testcase to ignore __pfx_* symbols
>
>

Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>

-- Steve