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)
{
sysprof_trace = tr;
+ tracing_start_cmdline_record();
+
mutex_lock(&sample_timer_lock);
start_stack_timers();
tracer_enabled = 1;
static void stack_trace_reset(struct trace_array *tr)
{
+ tracing_stop_cmdline_record();
stop_stack_trace(tr);
}
return cnt;
}
-static struct file_operations sysprof_sample_fops = {
+static const struct file_operations sysprof_sample_fops = {
.read = sysprof_sample_read,
.write = sysprof_sample_write,
};
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 'dyn_ftrace_total_info' entry\n");
}