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-rw-r--r--kernel/trace/trace_sysprof.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 91fd19c2149..f6693969287 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -203,7 +203,8 @@ static void start_stack_timer(void *unused)
hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
hrtimer->function = stack_trace_timer_fn;
- hrtimer_start(hrtimer, ns_to_ktime(sample_period), HRTIMER_MODE_REL);
+ hrtimer_start(hrtimer, ns_to_ktime(sample_period),
+ HRTIMER_MODE_REL_PINNED);
}
static void start_stack_timers(void)
@@ -321,11 +322,7 @@ static const struct file_operations sysprof_sample_fops = {
void init_tracer_sysprof_debugfs(struct dentry *d_tracer)
{
- struct dentry *entry;
- entry = debugfs_create_file("sysprof_sample_period", 0644,
+ trace_create_file("sysprof_sample_period", 0644,
d_tracer, NULL, &sysprof_sample_fops);
- if (entry)
- return;
- pr_warning("Could not create debugfs 'sysprof_sample_period' entry\n");
}