From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 12 May 2008 19:20:48 +0000 (+0200)
Subject: ftrace: enabled tracing by default
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=26994ead1fc8cced63f17e9848edc1771036664e;p=linux-beck.git

ftrace: enabled tracing by default

This patch is the correct way to have tracing enabled by default.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c56fc5e60133..3dc6eac85b11 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -107,7 +107,7 @@ static struct trace_array	max_tr;
 
 static DEFINE_PER_CPU(struct trace_array_cpu, max_data);
 
-static int			tracer_enabled;
+static int			tracer_enabled = 1;
 static unsigned long		trace_nr_entries = 16384UL;
 
 static struct tracer		*trace_types __read_mostly;
@@ -2268,6 +2268,8 @@ __init static int tracer_alloc_buffers(void)
 	int ret = -ENOMEM;
 	int i;
 
+	global_trace.ctrl = tracer_enabled;
+
 	/* Allocate the first page for all buffers */
 	for_each_possible_cpu(i) {
 		data = global_trace.data[i] = &per_cpu(global_trace_cpu, i);