#!/bin/bash
function test () {
  if [ "$3" != "$2" ]; then
    da=`date +%k-%M-%S`
    A=$2
    B=1
    iow_sda=${A#*-}
    ior_sda=${A%-*}
    A=$3
    iow_sdaold=${A#*-}
    ior_sdaold=${A%-*}
    let a=ior_sda-ior_sdaold
    let b=iow_sda-iow_sdaold
    if [ $4 -ne 1 ]; then
      echo -n $da " "
    fi
    printf "%4s %4s %4s " "sda"$1 $a $b
fi
}

function GetData {
  for (( i=0; i<9;i++ ));
  do
    y=`printf "%s%s" $3 $i`
    x=`awk -v disk="$y" '{if ($3==disk) printf "%s-%s",$6,$10}' /proc/diskstats`
    sda[$i]=$x
  done
}
while :; do
  GetData ior_sda1 iow_sda1 "sda"
  B=0
  for (( i=0; i<9;i++ ));
  do
    test $i "${sda[$i]}" "${sdb[$i]}" $B
  done
  sdb=("${sda[@]}")
  if [ $B -eq 1 ]; then
    echo
#    find / -type d \( -path proc -o -path sys \) -prune -cmin -1
#    find / -type d \( -path proc -o -path Volume_2 \) -prune -cmin -1
find / -path /proc -prune -o -path /sys  -prune -o -mmin -1
  fi
  sleep $1
done