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ftrace: enabled tracing by default

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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>
This commit is contained in:
Steven Rostedt 2008-05-12 21:20:48 +02:00 committed by Thomas Gleixner
parent 4eebcc81a3
commit 26994ead1f
1 changed files with 3 additions and 1 deletions
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4
kernel/trace/trace.c
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@ -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);