sys_getloadavg
(no version information, might be only in CVS)
sys_getloadavg -- Gets system load average
说明
array
sys_getloadavg ( void )
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.
返回值
Returns an array with three samples (last 1, 5 and 15
minutes).
范例
例 1. A sys_getloadavg() 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.');
}
?>
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