if(current_time < rrd.live_head->last_up ||
(current_time == rrd.live_head->last_up &&
(long)current_time_usec <= (long)rrd.live_head->last_up_usec)) {
- rrd_set_error("illegal attempt to update using time %ld when "
+ rrd_set_error("%s: illegal attempt to update using time %ld when "
"last update time is %ld (minimum one second step)",
- current_time, rrd.live_head->last_up);
+ filename, current_time, rrd.live_head->last_up);
free(step_start);
break;
}