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Subject: Re: [PATCH][GIT PULL] tracing: Fix compile issue for
 trace_sched_wakeup.c
From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Jason Baron <jbaron@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        2nddept-manager@sdl.hitachi.co.jp
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Date: Thu, 21 Oct 2010 08:45:39 -0400
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On Thu, 2010-10-21 at 13:03 +0200, Peter Zijlstra wrote:
> On Thu, 2010-10-21 at 07:01 -0400, Steven Rostedt wrote:

> Possibly, but wouldn't it make sense to batch up the work and simply
> call stop_machine only once? I mean, if you already know you're going to
> do this...

That has actually been talked about. By adding some sort of
trace_point_batch_enable(). But this is not the usual normal case.

-- Steve