php-doc-en/reference/misc/functions/sys-getloadavg.xml
Daniel Egeberg 96c9d88bad Converted to utf-8
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
2010-03-28 22:10:10 +00:00

75 lines
1.7 KiB
XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.sys-getloadavg" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>sys_getloadavg</refname>
<refpurpose>Gets system load average</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>sys_getloadavg</methodname>
<void/>
</methodsynopsis>
<para>
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.
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an <type>array</type> with three samples (last 1, 5 and 15
minutes).
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <function>sys_getloadavg</function> example</title>
<programlisting role="php">
<![CDATA[
<?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.');
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
&note.no-windows;
</refsect1>
</refentry>
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