#/bin/bash

num=0
for loop in a b c d e f g h i j k
do
	old[$num]=0
	num=$(($num + 1))
done

row=0

while true; do grep "$1 " /proc/diskstats | awk '{print $4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14}'; sleep 1; done | while read a b c d e f g h i j k
do
	if [ $(($row % 30)) == 0 ]; then
		#echo -e "row\treads\trmerge\trsect\trms\t\twrites\twmerge\twsect\twms\t\tio\tms\tms2"
		echo -e "row\treads\trmerge\trsect\trms\twrites\twmerge\twsect\twms\tio\tms\tms2"
	fi
	row=$(($row + 1))

	num=0
	for loop in a b c d e f g h i j k
	do
		if [ ${old[$num]} == 0 ]; then
			old[$num]=${!loop}
			diff[$num]=0
		else
			diff[$num]=$((${!loop} - ${old[$num]}))
			old[$num]=${!loop}
		fi
		num=$(($num + 1))
	done

	echo -e "$row\t${diff[0]}\t${diff[1]}\t${diff[2]}\t${diff[3]}\t${diff[4]}\t${diff[5]}\t${diff[6]}\t${diff[7]}\t$i\t${diff[9]}\t${diff[10]}"
done