Radio stops Rx stream prior to stop and benchmark prompts RF metrics

lib/src/radio/radio.cc

@@ -241,6 +241,12 @@ bool radio::is_init()
 
 void radio::stop()
 {
+  // Stop Rx streams as soon as possible to avoid Overflows
+  if (radio_is_streaming) {
+    for (srslte_rf_t& rf_device : rf_devices) {
+      srslte_rf_stop_rx_stream(&rf_device);
+    }
+  }
   if (zeros) {
     free(zeros);
     zeros = NULL;

lib/src/radio/test/benchmark_radio.cc

@@ -281,6 +281,7 @@ int main(int argc, char** argv)
   srslte_dft_plan_t      dft_plan = {}, idft_plan = {};
   srslte_agc_t           agc[SRSLTE_MAX_RADIOS] = {};
   phy_dummy              phy;
+  srslte::rf_metrics_t   rf_metrics = {};
 
   rf_buffer_t rf_buffers[SRSLTE_MAX_RADIOS] = {};
 
@@ -523,7 +524,13 @@ int main(int argc, char** argv)
     nof_samples -= frame_size;
   }
 
-  printf("Finished streaming with %d gaps...\n", nof_gaps);
+  radio_h[0]->get_metrics(&rf_metrics);
+
+  printf("Finished streaming with %d gaps, %d late timestamps, %d overflows, %d underflow...\n",
+         nof_gaps,
+         rf_metrics.rf_l,
+         rf_metrics.rf_o,
+         rf_metrics.rf_u);
 
   ret = SRSLTE_SUCCESS;