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Date: Fri, 21 Nov 2008 15:20:30 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de,
       peterz@infradead.org, tytso@mit.edu, arjan@infradead.org,
       srostedt@redhat.com
Subject: Re: [PATCH 4/4] trace: profile all if conditionals
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On Fri, 21 Nov 2008 02:12:17 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:

> --- a/include/linux/compiler.h
> +++ b/include/linux/compiler.h
>
> ...
>
> +#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) :		\

wheee...

Now how are you going to profile ?:, while, for(;expr;), etc? ;)