linux-kernel - Re: [tip:perf/urgent] trace, documentation: Fix branch profiling location in debugfs

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Message-ID: <1300372241.16880.119.camel@gandalf.stny.rr.com>
Date:	Thu, 17 Mar 2011 10:30:41 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, rientjes@...gle.com, mingo@...e.hu
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/urgent] trace, documentation: Fix branch profiling
 location in debugfs

On Thu, 2011-03-17 at 11:04 +0000, tip-bot for David Rientjes wrote:
> Commit-ID:  13e5befaddcf8d542ae45610b552105490a0010b
> Gitweb:     http://git.kernel.org/tip/13e5befaddcf8d542ae45610b552105490a0010b
> Author:     David Rientjes <rientjes@...gle.com>
> AuthorDate: Wed, 16 Mar 2011 17:17:08 -0700
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Thu, 17 Mar 2011 09:10:45 +0100

Heh, I added this on top of the jump label patches that I'm testing.
I'll just remove it ;)

-- Steve

> 
> trace, documentation: Fix branch profiling location in debugfs
> 
> The debugfs interface for branch profiling is through
> 
> 	/sys/kernel/debug/tracing/trace_stat/branch_annotated
> 	/sys/kernel/debug/tracing/trace_stat/branch_all
> 
> so update the Kconfig accordingly.
> 
> Signed-off-by: David Rientjes <rientjes@...gle.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> LKML-Reference: <alpine.DEB.2.00.1103161716320.11407@...no.kir.corp.google.com>
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
> ---
>  kernel/trace/Kconfig |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index 14674dc..61d7d59f 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -275,7 +275,7 @@ config PROFILE_ANNOTATED_BRANCHES
>  	  This tracer profiles all the the likely and unlikely macros
>  	  in the kernel. It will display the results in:
>  
> -	  /sys/kernel/debug/tracing/profile_annotated_branch
> +	  /sys/kernel/debug/tracing/trace_stat/branch_annotated
>  
>  	  Note: this will add a significant overhead; only turn this
>  	  on if you need to profile the system's use of these macros.
> @@ -288,7 +288,7 @@ config PROFILE_ALL_BRANCHES
>  	  taken in the kernel is recorded whether it hit or miss.
>  	  The results will be displayed in:
>  
> -	  /sys/kernel/debug/tracing/profile_branch
> +	  /sys/kernel/debug/tracing/trace_stat/branch_all
>  
>  	  This option also enables the likely/unlikely profiler.
>  


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