[mutter] frame-clock: Add basic tracing

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 6ffdfff9ee07c074de191ce2eb1f36d21a69a8d8
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Mar 25 09:02:12 2020 +0100

    frame-clock: Add basic tracing
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285

 clutter/clutter/clutter-frame-clock.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/clutter/clutter/clutter-frame-clock.c b/clutter/clutter/clutter-frame-clock.c
index 1f3d10926a..e7726dda23 100644
--- a/clutter/clutter/clutter-frame-clock.c
+++ b/clutter/clutter/clutter-frame-clock.c
@@ -20,6 +20,7 @@
 #include "clutter/clutter-frame-clock.h"
 
 #include "clutter/clutter-main.h"
+#include "cogl/cogl-trace.h"
 
 static inline uint64_t
 us (uint64_t us)
@@ -256,13 +257,17 @@ clutter_frame_clock_dispatch (gpointer user_data)
   ClutterFrameClock *frame_clock = user_data;
   ClutterFrameResult result;
 
+  COGL_TRACE_BEGIN_SCOPED (ClutterFrameCLockDispatch, "Frame Clock (dispatch)");
+
   g_source_set_ready_time (frame_clock->source, -1);
 
   frame_clock->state = CLUTTER_FRAME_CLOCK_STATE_DISPATCHING;
 
+  COGL_TRACE_BEGIN (ClutterFrameClockFrame, "Frame Clock (frame)");
   result = frame_clock->listener.iface->frame (frame_clock,
                                                frame_clock->frame_count++,
                                                frame_clock->listener.user_data);
+  COGL_TRACE_END (ClutterFrameClockFrame);
 
   switch (frame_clock->state)
     {