<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >getrusage</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="PHP Options&Information" HREF="ref.info.html"><LINK REL="PREVIOUS" TITLE="getopt" HREF="function.getopt.html"><LINK REL="NEXT" TITLE="ini_alter" HREF="function.ini-alter.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.getopt.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ini-alter.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.getrusage" ></A >getrusage</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN181435" ></A ><P > (PHP 3 >= 3.0.7, PHP 4, PHP 5)</P >getrusage -- Gets the current resource usages</DIV ><DIV CLASS="refsect1" ><A NAME="AEN181438" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >getrusage</B > ( [int who] )<BR ></BR ><P > This is an interface to getrusage(2). It gets data returned from the system call. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181447" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >who</CODE ></DT ><DD ><P > If who is 1, getrusage will be called with RUSAGE_CHILDREN. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181456" ></A ><H2 >返回值</H2 ><P > Returns an associative array containing the data returned from the system call. All entries are accessible by using their documented field names. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181459" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN181462" ></A ><P ><B >例 1. <B CLASS="function" >getrusage()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$dat </font><font color="#007700">= </font><font color="#0000BB">getrusage</font><font color="#007700">();<br />echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_nswap"</font><font color="#007700">]; </font><font color="#FF8000">// number of swaps<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_majflt"</font><font color="#007700">]; </font><font color="#FF8000">// number of page faults<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_utime.tv_sec"</font><font color="#007700">]; </font><font color="#FF8000">// user time used (seconds)<br /></font><font color="#007700">echo </font><font color="#0000BB">$dat</font><font color="#007700">[</font><font color="#DD0000">"ru_utime.tv_usec"</font><font color="#007700">]; </font><font color="#FF8000">// user time used (microseconds)<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181466" ></A ><H2 >注释</H2 ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B >本函数未在 Windows 平台下实现。</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181470" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD >Your system's man page on getrusage(2)</TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.getopt.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.ini-alter.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >getopt</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.info.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ini_alter</TD ></TR ></TABLE ></DIV ></BODY ></HTML >