linux-kernel - Re: selftest/ftrace: Add test results to "-h" help text to ftracetest

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Date:   Mon, 28 Jun 2021 17:08:09 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: selftest/ftrace: Add test results to "-h" help text to ftracetest

On Mon, Jun 28, 2021 at 09:50:15AM -0400, Steven Rostedt wrote:
> +echo "	UNRESOLVED	The test produced indeterminate results. (e.g. interrupted)"
> +echo "	UNSUPPORTED	The test failed because of lack of feature."

So in my case I've seen both these as a result of .config fails.

Specifically test.d/kprobe/kprobe_module.tc returns exit_unresolved when
it can't load the module (because it doesn't exist).

Also, would it be at all possible to, for both these options, always
print the missing CONFIG_symbol ? The above test actually has an echo
for it, but I've never seen the result of that appear.