1 files changed, 3 insertions, 2 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index cc14a6bc1094..3422489fad5e 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -237,11 +237,11 @@ struct tracer {
         const char              *name;
         void                    (*init)(struct trace_array *tr);
         void                    (*reset)(struct trace_array *tr);
+        void                    (*start)(struct trace_array *tr);
+        void                    (*stop)(struct trace_array *tr);
         void                    (*open)(struct trace_iterator *iter);
         void                    (*pipe_open)(struct trace_iterator *iter);
         void                    (*close)(struct trace_iterator *iter);
-        void                    (*start)(struct trace_iterator *iter);
-        void                    (*stop)(struct trace_iterator *iter);
         ssize_t                 (*read)(struct trace_iterator *iter,
                                         struct file *filp, char __user *ubuf,
                                         size_t cnt, loff_t *ppos);
@@ -282,6 +282,7 @@ struct trace_iterator {
         long                    idx;
 };
 
+int tracing_is_enabled(void);
 void trace_wake_up(void);
 void tracing_reset(struct trace_array *tr, int cpu);
 int tracing_open_generic(struct inode *inode, struct file *filp);