linux-kernel - Re: [PATCH][RFC] tracing: Enable tracepoints via module parameters

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Message-ID: <87siybk8yl.fsf@rustcorp.com.au>
Date:	Thu, 15 Aug 2013 11:32:10 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Yuanhan Liu <yuanhan.liu@...ux.intel.com>,
	chris <chris@...is-wilson.co.uk>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: Re: [PATCH][RFC] tracing: Enable tracepoints via module parameters

Steven Rostedt <rostedt@...dmis.org> writes:
> But the thing about this that bothers me is that there's no way to say,
> "Enable all tracepoints in this module on load". I would like a way to
> do that, but I don't know of a way to do that without modifying the
> module code. Have any ideas? Basically, I would love to have:
>
> insmod foo tracepoints=all
>
> or something and have all tracepoints enabled.

"without modifying the module code"?  Why?  The code isn't that scary,
and this seems useful.

Cheers,
Rusty.

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