linux-kernel - Re: [PATCH v2 0/3] tracing: signaling large duration and delay

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Message-ID: <20141105074228.GC3393@byungchulpark-X58A-UD3R>
Date:	Wed, 5 Nov 2014 16:42:28 +0900
From:	Byungchul Park <byungchul.park@....com>
To:	rostedt@...dmis.org, mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org, seungho1.park@....com,
	jolsa@...hat.com
Subject: Re: [PATCH v2 0/3] tracing: signaling large duration and delay

On Wed, Nov 05, 2014 at 04:16:46PM +0900, byungchul.park@....com wrote:
> From: Byungchul Park <byungchul.park@....com>
> 
> Changes from v1 to v2
> * update Document/trace/ftrace.txt
> * seperate the implementation as a macro
> * apply the implementation to delay printing, too
> 
> Hello.
> 
> When I analysis the exit_mm() function to find out the reason why the
> function spends much time occasionally, this patch was very useful.
> I thought this patch cannot be useful only for me, but can be also
> useful for anybody who want to be signaled for very large function
> execution time, so I decided to submit this patchset.
> 
> Nobody who have such a demand? :)
> 
> Thanks,
> Byungchul.
> 
> Byungchul Park (3):
>   tracing, function_graph: fix micro seconds notation in comment
>   tracing, function_graph: add additional marks to signal very large
>     function execution time
>   tracing: add additional marks to signal very large delay
> 
>  Documentation/trace/ftrace.txt       |   10 +++++++---
>  kernel/trace/trace.h                 |   14 ++++++++++++++
>  kernel/trace/trace_functions_graph.c |   23 +++++++++++++----------
>  kernel/trace/trace_output.c          |   15 ++++++++++-----
>  4 files changed, 44 insertions(+), 18 deletions(-)
> 
> -- 
> 1.7.9.5
> 
> --
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REALLY REALLY SORRY for sending cover-letter twice. :(
I will be carefull.

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