#! /bin/sh

# filename killcpu.sh

if [ $# -ne 1 ] ; then

  echo "USAGE: $0 <CPUs>|stop"

  exit 1;

fi

stop()

{

while read LINE

  do

    kill -9 $LINE

    echo "kill $LINE sucessfull"

  done < pid.txt

cat /dev/null > pid.txt

}

start()

{

  echo "u want to cpus is: "$1

  for i in `seq $1`

do

  echo -ne "

i=0;

while true

do

i=i+1;

done" | /bin/sh &

  pid_array[$i]=$! ;

done

for i in "${pid_array[@]}"; do

  echo 'pid is: ' $i ';';

  echo $i >> pid.txt

done

}

case $1 in

  stop)

    stop

  ;;

  *)

  start $1

;;

esac