/* connect all traces relative to hosts */
xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
/* connect all traces relative to hosts */
xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);