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

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Date:	Sat, 2 May 2009 15:21:58 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Tim Bird <tim.bird@...sony.com>,
	linux kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
	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


On Sat, 2 May 2009, Uwe Kleine-K?nig wrote:

> 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).

The new MCOUNT_RECORD method means to update scripts/recordmcount.pl. 
There is an "arm" section in that script added by:

 e58918ab9d4cd375f6d842e6d88cf4d7a55cbfcc

-- Steve

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