diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c
index e92eff66e3..8605dffd8a 100644
--- a/ui/dbus-listener.c
+++ b/ui/dbus-listener.c
@@ -102,6 +102,8 @@ static void dbus_call_update_gl(DisplayChangeListener *dcl,
 {
     DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
 
+    trace_dbus_update_gl(x, y, w, h);
+
     glFlush();
 #ifdef CONFIG_GBM
     graphic_hw_gl_block(ddl->dcl.con, true);
@@ -212,6 +214,8 @@ static void dbus_scanout_texture(DisplayChangeListener *dcl,
                                  uint32_t x, uint32_t y,
                                  uint32_t w, uint32_t h)
 {
+    trace_dbus_scanout_texture(tex_id, backing_y_0_top,
+                               backing_width, backing_height, x, y, w, h);
 #ifdef CONFIG_GBM
     QemuDmaBuf dmabuf = {
         .width = backing_width,
@@ -421,6 +425,8 @@ static void dbus_gl_gfx_switch(DisplayChangeListener *dcl,
 {
     DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
 
+    trace_dbus_gl_gfx_switch(new_surface);
+
     ddl->ds = new_surface;
     if (ddl->ds) {
         int width = surface_width(ddl->ds);
diff --git a/ui/trace-events b/ui/trace-events
index a71895c479..fe58675163 100644
--- a/ui/trace-events
+++ b/ui/trace-events
@@ -156,6 +156,9 @@ dbus_mouse_set_pos(unsigned int x, unsigned int y) "x=%u, y=%u"
 dbus_mouse_rel_motion(int dx, int dy) "dx=%d, dy=%d"
 dbus_touch_send_event(unsigned int kind, uint32_t num_slot, uint32_t x, uint32_t y) "kind=%u, num_slot=%u, x=%d, y=%d"
 dbus_update(int x, int y, int w, int h) "x=%d, y=%d, w=%d, h=%d"
+dbus_update_gl(int x, int y, int w, int h) "x=%d, y=%d, w=%d, h=%d"
 dbus_clipboard_grab_failed(void) ""
 dbus_clipboard_register(const char *bus_name) "peer %s"
 dbus_clipboard_unregister(const char *bus_name) "peer %s"
+dbus_scanout_texture(uint32_t tex_id, bool backing_y_0_top, uint32_t backing_width, uint32_t backing_height, uint32_t x, uint32_t y, uint32_t w, uint32_t h) "tex_id:%u y0top:%d back:%ux%u %u+%u-%ux%u"
+dbus_gl_gfx_switch(void *p) "surf: %p"