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Subject: Re: [RFC][PATCH 2/2] [PATCH 2/2] tracing: Make event based
 trace_printk()
From: Steven Rostedt <rostedt@goodmis.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
        Andrew Morton <akpm@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Darren Hart <dvhart@linux.intel.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        "jason.wessel" <jason.wessel@windriver.com>,
        "Ted Ts'o" <tytso@mit.edu>
In-Reply-To: <20101118115812.GA27474@Krystal>
References: <20101118035803.453609353@goodmis.org>
	 <20101118040949.782054673@goodmis.org>  <20101118115812.GA27474@Krystal>
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Date: Thu, 18 Nov 2010 07:14:47 -0500
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On Thu, 2010-11-18 at 06:58 -0500, Mathieu Desnoyers wrote:
> * Steven Rostedt (rostedt@goodmis.org) wrote:
> > From: Steven Rostedt <srostedt@redhat.com>
> > 
> > Add the trace_printk() that places the usage in the
> > /debug/tracing/events/printk directory.
> > 
> > Adding a trace_printk() into sched.c at line 2181, we have:
> 
> I'm curious: how do you handle two trace_printk on the same line ?
> 
> It might be OK to let the interface activate both at once, but nothing should
> crash per se.

You get 2181, and 2181-1

-- Steve