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<getoptini_alter>
Last updated: Thu, 19 May 2005

getrusage

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

getrusage -- Gets the current resource usages

Description

array getrusage ( [int who] )

This is an interface to getrusage(2). It returns an associative array containing the data returned from the system call. If who is 1, getrusage will be called with RUSAGE_CHILDREN.

All entries are accessible by using their documented field names.

Example 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)
?>
See your system's man page on getrusage(2) for more details.

Note: This function is not implemented on Windows platforms.



User Contributed Notes
getrusage
ng4rrjanbiah at rediffmail dot com
17-Nov-2004 04:51
Here is a nice comment on benchmarking PHP codes using getrusage function http://blog.rompe.org/node/85

HTH,
R. Rajesh Jeba Anbiah

<getoptini_alter>
 Last updated: Thu, 19 May 2005
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