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Commit 26994ead authored by Steven Rostedt's avatar Steven Rostedt Committed by Thomas Gleixner
Browse files

ftrace: enabled tracing by default 



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

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 4eebcc81

kernel/trace/trace.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -107,7 +107,7 @@ static struct trace_array max_tr; 




static DEFINE_PER_CPU(struct trace_array_cpu, max_data);

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 unsigned long		trace_nr_entries = 16384UL;





static struct tracer		*trace_types __read_mostly;

static struct tracer		*trace_types __read_mostly;
@@ -2268,6 +2268,8 @@ __init static int tracer_alloc_buffers(void) 
	int ret = -ENOMEM;

	int ret = -ENOMEM;

	int i;

	int i;





	global_trace.ctrl = tracer_enabled;



	/* Allocate the first page for all buffers */

	/* Allocate the first page for all buffers */

	for_each_possible_cpu(i) {

	for_each_possible_cpu(i) {

		data = global_trace.data[i] = &per_cpu(global_trace_cpu, i);

		data = global_trace.data[i] = &per_cpu(global_trace_cpu, i);