linux-kernel - Re: [PATCH v3 1/3] kasan: switch kunit tests to console tracepoints

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Date:   Wed, 15 Feb 2023 14:33:06 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Marco Elver <elver@...gle.com>
Cc:     Peter Collingbourne <pcc@...gle.com>, andrey.konovalov@...ux.dev,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        kasan-dev@...glegroups.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] kasan: switch kunit tests to console tracepoints

On Wed, 15 Feb 2023 09:57:40 +0100
Marco Elver <elver@...gle.com> wrote:

> Yes, you are right, and it's something I've wondered how to do better
> as well. Let's try to consult tracing maintainers on what the right
> approach is.

I have to go and revisit the config options for CONFIG_FTRACE and
CONFIG_TRACING, as they were added when this all started (back in
2008), and the naming was rather all misnomers back then.

"ftrace" is really for just the function tracing, but CONFIG_FTRACE
really should just be for the function tracing infrastructure, and
perhaps not even include trace events :-/ But at the time it was
created, it was for all the "tracers" (this was added before trace
events).

-- Steve