SYS_GETLOADAVG(3) 1 SYS_GETLOADAVG(3)
sys_getloadavg - Gets system load average
SYNOPSIS
array sys_getloadavg (void )
DESCRIPTION
Returns three samples representing the average system load (the number of processes in the system run queue) over the last 1, 5 and 15
minutes, respectively.
RETURN VALUES
Returns an array with three samples (last 1, 5 and 15 minutes).
EXAMPLES
Example #1
A sys_getloadavg(3) example
<?php
$load = sys_getloadavg();
if ($load[0] > 80) {
header('HTTP/1.1 503 Too busy, try again later');
die('Server too busy. Please try again later.');
}
?>
NOTES
Note
This function is not implemented on Windows platforms.
PHP Documentation Group SYS_GETLOADAVG(3)