linux-kernel - Re: [PATCH 2/2] ftrace: add function-graph tracer support for ARM v2

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Message-ID: <20090502151515.GA10418@pengutronix.de>
Date:	Sat, 2 May 2009 17:15:15 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Tim Bird <tim.bird@...sony.com>,
	linux kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>,
	Russell King <rmk@....linux.org.uk>
Subject: Re: [PATCH 2/2] ftrace: add function-graph tracer support for ARM
	v2

Hello,

> Also I wonder how far we are from the dynamic ftrace support, which seems
> half implemented or broken or not tested for a while?
Commit 07c4cc1cdaa08fcb6c0275dd7be49eae37260169 suggests that "the new
MCOUNT_RECORD method" needs to be implemented.  I don't know the
details, though (yet).

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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