linux-kernel - Re: [PATCH 0/5] [GIT PULL] updates for tip/tracing/ftrace

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Date:	Sun, 22 Mar 2009 16:06:57 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 0/5] [GIT PULL] updates for tip/tracing/ftrace


one thing to note is:

 <EOI>  [<ffffffff802b78ad>] ? ftrace_likely_update+0x1f/0x27
 [<ffffffff8022cf88>] ? prepare_ftrace_return+0x3c/0x158
 [<ffffffff8022d070>] ? prepare_ftrace_return+0x124/0x158
 [<ffffffff8020c776>] ? ftrace_graph_caller+0x46/0x6d
 [<ffffffff802a2cd8>] ? jhash+0x9/0x1e6
 [<ffffffff802a30d9>] ? get_tracepoint+0x30/0x7f
 [<ffffffff8020c79d>] ? return_to_handler+0x0/0x73
 [<ffffffff8020db1c>] call_softirq+0x1c/0x28

the branch profiler should be disabled inside ftrace ...

	Ingo
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