/*
	$1: 	dev_t
	$2: 	RWBS
	$3:     strlen($2)
*/
BEGIN {
	@last_rw[$1, str($2)] = 0;
}
tracepoint:block:block_rq_complete
{
	$dev = $1;
	if ((int64)args.dev == $1 && !strncmp(args.rwbs, str($2), $3)) {
		$last = @last_rw[$dev, str($2)];
		if ((uint64)args.sector != $last) {
			printf("io_out_of_order: exp %llu actual %llu\n",
				args.sector, $last);
		}
		@last_rw[$dev, str($2)] = (args.sector + args.nr_sector);
	}
	@ios = count();
}

END {
	clear(@last_rw);
}