PID=$1
RET=0

while [ "$RET" == 0 ]; do
  INP=`ps -o pcpu -p $PID`
  RET=$?
  ARR=($INP)
  echo ${ARR[1]}
  if [ `echo "${ARR[1]}"'>'50 | bc -l` == 1 ]; then
    echo dit
  else
    echo dah
  fi
  sleep 1
done