linux-kernel - Re: [PATCH v8 5/5] selftests/ftrace: Add selftest for testing duplicate eprobes and kprobes

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Date:   Fri, 20 Aug 2021 10:13:18 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-trace-devel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Tzvetomir Stoyanov" <tz.stoyanov@...il.com>,
        Tom Zanussi <zanussi@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v8 5/5] selftests/ftrace: Add selftest for testing
 duplicate eprobes and kprobes

On Fri, 20 Aug 2021 09:53:59 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> Hmm, can you also remove kprobe event dependency from this test case?
> The event probe depends on CONFIG_PROBE_EVENTS meta config, but that
> is enabled both of CONFIG_KPROBE_EVENTS and CONFIG_UPROBE_EVENTS.
> This means if the kernel configs CONFIG_KPROBE_EVENTS=n and
> CONFIG_UPROBE_EVENTS=y, this will be executed but should fail.

I'll add a check if kprobes are available before testing the kprobes.

-- Steve