getrusage

(PHP 3 >= 3.0.7, PHP 4, PHP 5)

getrusage -- Gets the current resource usages

说明

array getrusage ( [int who] )

This is an interface to getrusage(2). It gets data returned from the system call.

参数

who

If who is 1, getrusage will be called with RUSAGE_CHILDREN.

返回值

Returns an associative array containing the data returned from the system call. All entries are accessible by using their documented field names.

范例

例 1. getrusage() example

<?php
$dat
= getrusage();
echo
$dat["ru_nswap"];         // number of swaps
echo $dat["ru_majflt"];        // number of page faults
echo $dat["ru_utime.tv_sec"];  // user time used (seconds)
echo $dat["ru_utime.tv_usec"]; // user time used (microseconds)
?>

注释

注意: 本函数未在 Windows 平台下实现。

参见

Your system's man page on getrusage(2)