+#ifdef HAVE_TRACING
+// COMMENTED BY DAVID
+// xbt_dynar_t route = used_routing->get_route(action->src, action->dst);
+//
+// link_CM02_t link;
+// unsigned int i;
+// xbt_dynar_foreach(route, i, link) {
+// TRACE_surf_link_set_utilization (link->lmm_resource.generic_resource.name,
+// action->generic_action.data, lmm_variable_getvalue(action->variable), now-delta, delta);
+// }
+#endif