From 746a51150bee5bb09b8a53d9d2b3c43a16010cc9 Mon Sep 17 00:00:00 2001
From: gatieme <gatieme@163.com>
Date: Fri, 24 Mar 2017 17:24:06 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E5=96=84=E7=9A=84=E6=B5=8B=E8=AF=95?=
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---
 study/kernel/tools/ftrace_demo/ftrace_demo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/study/kernel/tools/ftrace_demo/ftrace_demo.c b/study/kernel/tools/ftrace_demo/ftrace_demo.c
index 574d09c..0c34fe5 100644
--- a/study/kernel/tools/ftrace_demo/ftrace_demo.c
+++ b/study/kernel/tools/ftrace_demo/ftrace_demo.c
@@ -1,5 +1,7 @@
  /*                                                     
  * ftrace_demo.c 
+ * http://www.ibm.com/developerworks/cn/linux/l-cn-ftrace3/
+ * http://lxr.free-electrons.com/source/include/trace/events/context_tracking.h 貌似没实现
  */                                                    
  #include <linux/init.h> 
  #include <linux/module.h>