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

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Message-ID: <20130814233228.778f25d0@gandalf.local.home>
Date:	Wed, 14 Aug 2013 23:32:28 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
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

On Thu, 15 Aug 2013 11:32:10 +0930
Rusty Russell <rusty@...tcorp.com.au> wrote:

> 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.

I'm not afraid of the code, I'm afraid of you ;-) I hear you have
killer puppies.


OK, then when I get some time, I may cook something up.

Thanks,

-- Steve
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