Add etf_offset to the histogram's metadata

packet-exchange/src/client.c

@@ -294,10 +294,10 @@ static void print_histograms() {
            "\"units\": [\"us\", \"us\"],"
            "\"props_type\": \"histogram\","
            "\"metadata\": {"
-           "\"i\": \"%dus\", \"duration\": \"%dh%d\""
+           "\"i\": \"%dus\", \"duration\": \"%dh%d\", \"etf_offset\": \"%dus\","
            "},"
            "\"props\": [",
-           interval, duration_hour, duration_minutes);
+           interval, duration_hour, duration_minutes, param->etf_offset);
   } else if (tsn_task == RTT_TASK) {
     printf("{\"measure_sets\": [{"
            "\"measure_type\": \"packet_rtt\","
@@ -305,10 +305,10 @@ static void print_histograms() {
            "\"units\": [\"us\"],"
            "\"props_type\": \"histogram\","
            "\"metadata\": {"
-           "\"i\": \"%dus\", \"duration\": \"%dh%d\""
+           "\"i\": \"%dus\", \"duration\": \"%dh%d\", \"etf_offset\": \"%dus\","
            "},"
            "\"props\": [",
-           interval, duration_hour, duration_minutes);
+           interval, duration_hour, duration_minutes, param->etf_offset);
   }
 
   nb_hists = tsn_task == SEND_PACKET_TASK ? 2 : 1;