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
Date: Fri, 21 Nov 2008 15:20:30 -0800 [thread overview]
Message-ID: <20081121152030.7024971e.akpm@linux-foundation.org> (raw)
In-Reply-To: <20081121071328.462456268@goodmis.org>
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? ;)
next prev parent reply other threads:[~2008-11-21 23:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-21 7:12 [PATCH 0/4] trace: profiling branches Steven Rostedt
2008-11-21 7:12 ` [PATCH 1/4] trace: remove extra assign in branch check Steven Rostedt
2008-11-21 7:12 ` [PATCH 2/4] trace: consolidate unlikely and likely profiler Steven Rostedt
2008-11-21 7:12 ` [PATCH 3/4] trace: branch profiling should not print percent without data Steven Rostedt
2008-11-21 7:12 ` [PATCH 4/4] trace: profile all if conditionals Steven Rostedt
2008-11-21 23:20 ` Andrew Morton [this message]
2008-11-21 23:33 ` Steven Rostedt
2008-11-23 12:37 ` Ingo Molnar
2008-11-23 15:48 ` Ingo Molnar
2008-11-23 16:07 ` [PATCH] net/wireless/reg.c: fix Ingo Molnar
2008-11-23 19:43 ` [PATCH 4/4] trace: profile all if conditionals Andi Kleen
2008-11-23 19:56 ` Steven Rostedt
2008-11-23 20:24 ` Andi Kleen
2008-11-23 20:32 ` Steven Rostedt
2008-11-23 20:51 ` Andi Kleen
2008-11-23 21:38 ` Ingo Molnar
2008-11-30 10:58 ` [PATCH 0/4] trace: profiling branches Daniel Walker
2008-11-30 15:19 ` Steven Rostedt
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