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Date: Fri, 22 Aug 2008 16:33:59 -0400 (EDT)
From: Steven Rostedt <rostedt@goodmis.org>
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To: Pavel Machek <pavel@suse.cz>
cc: Marcin Slusarz <marcin.slusarz@gmail.com>, Ingo Molnar <mingo@elte.hu>,
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       LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: ftraced and suspend to ram
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On Fri, 22 Aug 2008, Pavel Machek wrote:
> 
> Does ftrace hook itself onto _all_ the functions? Or all .c functions?

It hooks into all .c functions that are not annotated with "notrace"
or the files have not been marked in the Makefile like:

  CFLAGS_REMOVE_<file>.o = -pg


> 
> I guess low-level suspend code needs to be exempt from
> tracing. Certainly all the assembly functions.

I'm looking into that now too. Are the functions in arch/x86/power/cpu*.c 
the suspend to ram code?

Thanks,

-- Steve

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