1 files changed, 10 insertions, 13 deletions

diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index eaca5ad803ff..91fd19c2149f 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -88,7 +88,7 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
         }
 }
 
-const static struct stacktrace_ops backtrace_ops = {
+static const struct stacktrace_ops backtrace_ops = {
         .warning                = backtrace_warning,
         .warning_symbol         = backtrace_warning_symbol,
         .stack                  = backtrace_stack,
@@ -226,15 +226,6 @@ static void stop_stack_timers(void)
                 stop_stack_timer(cpu);
 }
 
-static void start_stack_trace(struct trace_array *tr)
-{
-        mutex_lock(&sample_timer_lock);
-        tracing_reset_online_cpus(tr);
-        start_stack_timers();
-        tracer_enabled = 1;
-        mutex_unlock(&sample_timer_lock);
-}
-
 static void stop_stack_trace(struct trace_array *tr)
 {
         mutex_lock(&sample_timer_lock);
@@ -247,12 +238,18 @@ static int stack_trace_init(struct trace_array *tr)
 {
         sysprof_trace = tr;
 
-        start_stack_trace(tr);
+        tracing_start_cmdline_record();
+
+        mutex_lock(&sample_timer_lock);
+        start_stack_timers();
+        tracer_enabled = 1;
+        mutex_unlock(&sample_timer_lock);
         return 0;
 }
 
 static void stack_trace_reset(struct trace_array *tr)
 {
+        tracing_stop_cmdline_record();
         stop_stack_trace(tr);
 }
 
@@ -317,7 +314,7 @@ sysprof_sample_write(struct file *filp, const char __user *ubuf,
         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,
 };
@@ -330,5 +327,5 @@ void init_tracer_sysprof_debugfs(struct dentry *d_tracer)
                         d_tracer, NULL, &sysprof_sample_fops);
         if (entry)
                 return;
-        pr_warning("Could not create debugfs 'dyn_ftrace_total_info' entry\n");
+        pr_warning("Could not create debugfs 'sysprof_sample_period' entry\n");
 }