tv_start          790 altq/altq_subr.c 		struct timeval	tv_start, tv_end;
tv_start          794 altq/altq_subr.c 		microtime(&tv_start);
tv_start          800 altq/altq_subr.c 		diff = (u_int64_t)(tv_end.tv_sec - tv_start.tv_sec) * 1000000
tv_start          801 altq/altq_subr.c 		    + tv_end.tv_usec - tv_start.tv_usec;