FreeBSD Polybar Module - CPU

cpu

#!/usr/local/bin/php
<?php

$iostat_cpu_usr = shell_exec("iostat -c 2 | awk '{print $12}'");
$iostat_cpu_sys = shell_exec("iostat -c 2 | awk '{print $14}'");

$cpu_usr_arr = explode("\n", $iostat_cpu_usr);
$cpu_sys_arr = explode("\n", $iostat_cpu_sys);

$cpu_usr = intval($cpu_usr_arr[3]);
$cpu_sys = intval($cpu_sys_arr[3]);

$cpu_total = $cpu_usr + $cpu_sys;

echo 'CPU: '.$cpu_total.'%';