stfups.sh

function stfups {
  declare -A bundles

  bundles[outlook]="com.microsoft.Outlook"
  bundles[chrome]="com.google.Chrome"
  bundles[vnc]="com.realvnc.vncviewer"

  if [[ -z $1 ]]; then
    echo "Need to specify a bundle - One of: ${!bundles[@]}"
    return 1
  fi

  bundle=${bundles[$1]}
  cpulimit=${2:-"20"}

  if test -z ${bundle}; then
    echo "No bundle name found for ${1}"
    return 1
  fi

  pid=$(lsappinfo info ${bundle} -only pid | cut -d '=' -f2)

  #ps aux | grep "[c]puthrottle ${pid}" | awk '{print \$2}' | xargs sudo kill -9

  if test -z $pid; then
    echo "No PID found for bundle ${bundle}"
    return 1
  fi

  # Kill any existing cputhrottle commands for bundle
  ps aux | grep -s "[c]puthrottle ${pid}"

  if test $? == 0; then
    echo "Killing existing cputhrottle limits"
    ps aux | grep "[c]puthrottle ${pid}" | awk '{print $2}' | xargs sudo kill -9

    if test $? != 0; then
      echo "Failed to kill existing cputhrottle processes"
      return 1
    fi
    if test ${cpulimit} == 0; then 
      echo "no limit"
    else
      echo "limit set"
    fi
    # If the cpulimit is 0, then just remove the throttle
    test ${cpulimit} == 0 && return 0
  fi

  echo "Throttling the CPU usage down for ${bundle} (PID ${pid}) - limit: ${cpulimit}"

  sudo cputhrottle ${pid} 20 & disown

  ret=$?

  if test $? != 0; then
    echo "Error - Return code: ${ret}"
    return ${ret}
  fi

  echo "cputhrottle processes for ${pid}:"
  ps aux | grep "[c]puthrottle ${pid}"
}