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106 lines
3.4 KiB
HTML
106 lines
3.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Get process times</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.posix-times" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_times</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_times</span> — <span class="dc-title">Get process times</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-times-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>posix_times</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Gets information about the current CPU usage.
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.posix-times-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns a hash of strings with information about the current
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process CPU usage. The indices of the hash are:
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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ticks - the number of clock ticks that have elapsed since
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reboot.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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utime - user time used by the current process.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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stime - system time used by the current process.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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cutime - user time used by current process and children.
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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cstime - system time used by current process and children.
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</span>
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</li>
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</ul>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.posix-times-notes">
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<h3 class="title">注释</h3>
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<div class="warning"><strong class="warning">Warning</strong>
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<p class="para">
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This function isn't reliable to use, it may return negative values for
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high times.
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</p>
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</div>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-times-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-4355">
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<p><strong>Example #1 Example use of <span class="function"><strong>posix_times()</strong></span></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$times </span><span style="color: #007700">= </span><span style="color: #0000BB">posix_times</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$times</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array
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(
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[ticks] => 25814410
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[utime] => 1
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[stime] => 1
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[cutime] => 0
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[cstime] => 0
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)
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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</div></div></div></body></html> |