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Date: Mon, 20 Apr 2009 08:37:19 +0800
From: Li Zefan <lizf@cn.fujitsu.com>
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To: Frederic Weisbecker <fweisbec@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
       Zhaolei <zhaolei@cn.fujitsu.com>, Tom Zanussi <tzanussi@gmail.com>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] tracing/core: Add current context on tracing recursion
 warning
References: <1240117295-6873-1-git-send-email-fweisbec@gmail.com> <49EAC15E.7080702@cn.fujitsu.com> <20090419123430.GA5967@nowhere> <20090419134927.GA6262@nowhere> <20090419172837.GA5992@nowhere>
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> Now I can reproduce it. It seems to happen when I set a filter,

Right, you said filter seems to be broken, so I tried to set a filter
and enabled the trace event, and got this warning.

> but also on other situations:
> 
> Bisected back to:
> 
> commit 261842b7c9099f56de2eb969c8ad65402d68e00e
> tracing: add same level recursion detection
> 
> It might be caused by a bug in this patch or
> by real tracing recursions on some places.