From ee08c6eccb7d1295516f7cf420fddf7b14e9146f Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 7 Mar 2009 05:52:59 +0100
Subject: tracing/ftrace: syscall tracing infrastructure, basics

Provide basic callbacks to do syscall tracing.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
LKML-Reference: <1236401580-5758-2-git-send-email-fweisbec@gmail.com>
[ simplified it to a trace_printk() for now. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'kernel/trace/trace.h')

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c5e1d8865fe4..3d49daae47dc 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -30,6 +30,8 @@ enum trace_type {
 	TRACE_GRAPH_ENT,
 	TRACE_USER_STACK,
 	TRACE_HW_BRANCHES,
+	TRACE_SYSCALL_ENTER,
+	TRACE_SYSCALL_EXIT,
 	TRACE_KMEM_ALLOC,
 	TRACE_KMEM_FREE,
 	TRACE_POWER,
-- 
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