diff --git a/src/xrt/compositor/main/comp_renderer.c b/src/xrt/compositor/main/comp_renderer.c
index 28c2a98d8..05fd87c76 100644
--- a/src/xrt/compositor/main/comp_renderer.c
+++ b/src/xrt/compositor/main/comp_renderer.c
@@ -1615,17 +1615,8 @@ comp_renderer_draw(struct comp_renderer *r)
 
 	uint64_t gpu_start_ns, gpu_end_ns;
 	if (render_resources_get_timestamps(&c->nr, &gpu_start_ns, &gpu_end_ns)) {
-		//! @todo submit data to target (pacer).
-		(void)frame_id;
-
-#define TE_BEG(TRACK, TIME, NAME) U_TRACE_EVENT_BEGIN_ON_TRACK_DATA(timing, TRACK, TIME, NAME, PERCETTO_I(frame_id))
-#define TE_END(TRACK, TIME) U_TRACE_EVENT_END_ON_TRACK(timing, TRACK, TIME)
-
-		TE_BEG(pc_gpu, gpu_start_ns, "gpu");
-		TE_END(pc_gpu, gpu_end_ns);
-
-#undef TE_BEG
-#undef TE_END
+		uint64_t now_ns = os_monotonic_get_ns();
+		comp_target_info_gpu(ct, frame_id, gpu_start_ns, gpu_end_ns, now_ns);
 	}
 
 
diff --git a/src/xrt/compositor/main/comp_target.h b/src/xrt/compositor/main/comp_target.h
index 2c20dfedb..9519c998e 100644
--- a/src/xrt/compositor/main/comp_target.h
+++ b/src/xrt/compositor/main/comp_target.h
@@ -213,6 +213,23 @@ struct comp_target
 	 */
 	VkResult (*update_timings)(struct comp_target *ct);
 
+	/*!
+	 * Provide frame timing information about GPU start and stop time.
+	 *
+	 * Depend on when the information is delivered this can be called at any
+	 * point of the following frames.
+	 *
+	 * @param[in] ct           The compositor target.
+	 * @param[in] frame_id     The frame ID to record for.
+	 * @param[in] gpu_start_ns When the GPU work startred.
+	 * @param[in] gpu_end_ns   When the GPU work stopped.
+	 * @param[in] when_ns      When the informatioon collected, nominally
+	 *                         from @ref os_monotonic_get_ns.
+	 *
+	 * @see @ref frame-pacing.
+	 */
+	void (*info_gpu)(
+	    struct comp_target *ct, int64_t frame_id, uint64_t gpu_start_ns, uint64_t gpu_end_ns, uint64_t when_ns);
 
 	/*
 	 *
@@ -452,6 +469,21 @@ comp_target_update_timings(struct comp_target *ct)
 	return ct->update_timings(ct);
 }
 
+/*!
+ * @copydoc comp_target::info_gpu
+ *
+ * @public @memberof comp_target
+ * @ingroup comp_main
+ */
+static inline void
+comp_target_info_gpu(
+    struct comp_target *ct, int64_t frame_id, uint64_t gpu_start_ns, uint64_t gpu_end_ns, uint64_t when_ns)
+{
+	COMP_TRACE_MARKER();
+
+	ct->info_gpu(ct, frame_id, gpu_start_ns, gpu_end_ns, when_ns);
+}
+
 /*!
  * @copydoc comp_target::set_title
  *
diff --git a/src/xrt/compositor/main/comp_target_swapchain.c b/src/xrt/compositor/main/comp_target_swapchain.c
index 3b76fce52..03a3bd345 100644
--- a/src/xrt/compositor/main/comp_target_swapchain.c
+++ b/src/xrt/compositor/main/comp_target_swapchain.c
@@ -971,6 +971,17 @@ comp_target_swapchain_update_timings(struct comp_target *ct)
 	return VK_SUCCESS;
 }
 
+static void
+comp_target_swapchain_info_gpu(
+    struct comp_target *ct, int64_t frame_id, uint64_t gpu_start_ns, uint64_t gpu_end_ns, uint64_t when_ns)
+{
+	COMP_TRACE_MARKER();
+
+	struct comp_target_swapchain *cts = (struct comp_target_swapchain *)ct;
+
+	u_pc_info_gpu(cts->upc, frame_id, gpu_start_ns, gpu_end_ns, when_ns);
+}
+
 
 /*
  *
@@ -1026,5 +1037,6 @@ comp_target_swapchain_init_and_set_fnptrs(struct comp_target_swapchain *cts,
 	cts->base.calc_frame_pacing = comp_target_swapchain_calc_frame_pacing;
 	cts->base.mark_timing_point = comp_target_swapchain_mark_timing_point;
 	cts->base.update_timings = comp_target_swapchain_update_timings;
+	cts->base.info_gpu = comp_target_swapchain_info_gpu;
 	os_thread_helper_init(&cts->vblank.event_thread);
 }