outlook-throttle.sh

#!/usr/local/bin/bash

declare -A cfg
cfg['app']='com.microsoft.Outlook'
cfg['limit']='20'

proc_pid=$(lsappinfo info ${cfg['app']} -only pid | cut -d '=' -f2)

if [[ -z ${proc_pid} ]]; then
  echo "Unable to find Outlook running" 1>&2
  exit 1
fi

echo "Found app for ${cfg['app']} (pid ${proc_pid})"
#lsappinfo info ${proc_pid}


ps aux | grep "[c]puthrottle ${proc_pid}"  &>/dev/null

if [[ $? -ne 0 ]]; then
  echo -n "Found some existing cputhrottle processes for PID ${proc_pid} - Killing processes... "
  ps -a -o pid,args | grep "[c]puthrottle ${proc_pid}" | cut -d' ' -f1 | xargs sudo kill -9 &>/dev/null

  if [[ $? -ne 0 ]]; then
    echo "Failed to kill existing cputhrottle processes." 1>&2
    exit 1
  fi
  echo "Done"
fi

echo -n "Setting CPU throttle limit for PID ${proc_pid} to ${cfg['limit']}... "

sudo cputhrottle ${proc_pid} ${cfg['limit']} & disown &>/dev/null

if [[ $? -ne 0 ]]; then
  echo "Failed." 1>&2
  exit 1
fi

echo "Done" 

echo -e "\n\nTo monitor the process, try running: sudo htop --pid=${proc_pid}"