ring-buffer: Froce rb_update_write_stamp() to be inlined

The function rb_update_write_stamp() is in the hotpath of the ring buffer recording. Make sure that it is inlined as well. There's not many places that call it. Link: http://lkml.kernel.org/r/[email protected] Reported-by: Andi Kleen <[email protected]> Signed-off-by: Steven Rostedt <[email protected]>
zuai · Nov 24, 2016 · babe3fc · babe3fc
1 parent 2289d56
commit babe3fc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
@@ -2486,7 +2486,7 @@ static inline void rb_event_discard(struct ring_buffer_event *event)
 		event->time_delta = 1;
 }
 
-static inline bool
+static __always_inline bool
 rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
 		   struct ring_buffer_event *event)
 {
@@ -2500,7 +2500,7 @@ rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
 		rb_commit_index(cpu_buffer) == index;
 }
 
-static void
+static __always_inline void
 rb_update_write_stamp(struct ring_buffer_per_cpu *cpu_buffer,
 		      struct ring_buffer_event *event)
 {