diff --git a/src/dmabuf.c b/src/dmabuf.c
index 3de7530..40b3d9c 100644
--- a/src/dmabuf.c
+++ b/src/dmabuf.c
@@ -25,6 +25,7 @@
 #include "dmabuf.h"
 #include "wlr-export-dmabuf-unstable-v1.h"
 #include "render.h"
+#include "usdt.h"
 
 static void dmabuf_close_fds(struct dmabuf_capture* self)
 {
@@ -100,6 +101,8 @@ static void dmabuf_frame_ready(void* data,
 	struct dmabuf_capture* self = data;
 	struct frame_capture* fc = data;
 
+	DTRACE_PROBE1(wayvnc, dmabuf_frame_ready, self);
+
 	dmabuf_capture_stop(fc);
 
 	fc->status = CAPTURE_DONE;
@@ -115,6 +118,8 @@ static void dmabuf_frame_cancel(void* data,
 	struct dmabuf_capture* self = data;
 	struct frame_capture* fc = data;
 
+	DTRACE_PROBE1(wayvnc, dmabuf_frame_cancel, self);
+
 	dmabuf_capture_stop(fc);
 	fc->status = reason == ZWLR_EXPORT_DMABUF_FRAME_V1_CANCEL_REASON_PERMANENT
 		     ? CAPTURE_FATAL : CAPTURE_FAILED;
@@ -137,6 +142,8 @@ static int dmabuf_capture_start(struct frame_capture* fc,
 		.cancel = dmabuf_frame_cancel,
 	};
 
+	DTRACE_PROBE1(wayvnc, dmabuf_capture_start, self);
+
 	self->zwlr_frame =
 		zwlr_export_dmabuf_manager_v1_capture_output(self->manager,
 							     fc->overlay_cursor,