diff --git a/ui/gtk.c b/ui/gtk.c
index 3a6832eb1b..7ce73b0798 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -915,6 +915,8 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
     x = (motion->x - mx) / vc->gfx.scale_x * ws;
     y = (motion->y - my) / vc->gfx.scale_y * ws;
 
+    trace_gd_motion_event(ww, wh, gtk_widget_get_scale_factor(widget), x, y);
+
     if (qemu_input_is_absolute(vc->gfx.dcl.con)) {
         if (x < 0 || y < 0 ||
             x >= surface_width(vc->gfx.ds) ||
diff --git a/ui/trace-events b/ui/trace-events
index e6a2894303..69ff22955d 100644
--- a/ui/trace-events
+++ b/ui/trace-events
@@ -28,6 +28,7 @@ gd_ungrab(const char *tab, const char *device) "tab=%s, dev=%s"
 gd_keymap_windowing(const char *name) "backend=%s"
 gd_gl_area_create_context(void *ctx, int major, int minor) "ctx=%p, major=%d, minor=%d"
 gd_gl_area_destroy_context(void *ctx, void *current_ctx) "ctx=%p, current_ctx=%p"
+gd_motion_event(int ww, int wh, int ws, int x, int y) "ww=%d, wh=%d, ws=%d, x=%d, y=%d"
 
 # vnc-auth-sasl.c
 # vnc-auth-vencrypt.c