linux-kernel - [PATCH v3 0/3] tracing: signaling large duration and delay

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Message-Id: <1416184918-10471-1-git-send-email-byungchul.park@lge.com>
Date:	Mon, 17 Nov 2014 09:41:55 +0900
From:	byungchul.park@....com
To:	rostedt@...dmis.org, mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org, seungho1.park@....com,
	jolsa@...hat.com, Byungchul Park <byungchul.park@....com>
Subject: [PATCH v3 0/3] tracing: signaling large duration and delay

From: Byungchul Park <byungchul.park@....com>

Changes from v2 to v3
* use inline function instead of macro
* enhance readablity

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                 |   19 +++++++++++++++++++
 kernel/trace/trace_functions_graph.c |   28 ++++++++++++++++++----------
 kernel/trace/trace_output.c          |   20 +++++++++++++++-----
 4 files changed, 59 insertions(+), 18 deletions(-)

-- 
1.7.9.5

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