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Import ntp 4.2.2
2006-06-11 18:57:12 +04:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
<meta name="generator" content="HTML Tidy, see www.w3.org">
<title>ntptime - read kernel time variables</title>
<link href="scripts/style.css" type="text/css" rel="stylesheet">
</head>
<body>
<h3><tt>ntptime</tt> - read kernel time variables</h3>
<p>The turtle has been swimming in the kernel.</p>
<p>Last update: <csobj format="ShortTime" h="25" locale="00000409" region="0" t="DateTime" w="61">18:46</csobj> UTC <csobj format="LongDate" h="25" locale="00000409" region="0" t="DateTime" w="246">Thursday, July 28, 2005</csobj></p>
<br clear="left">
<hr>
<h4>Synopsis</h4>
<tt>ntptime [ -chr ] [ -e <i>est_error</i> ] [ -f <i>frequency</i> ] [ -m <i>max_error</i> ] [ -o <i>offset</i> ] [ -s <i>status</i> ] [ -t <i>time_constant</i>]</tt>
<h4>Description</h4>
<p>This program is useful only with special kernels described in the <a href="kern.html">A Kernel Model for Precision Timekeeping</a> page. It reads and displays time-related kernel variables using the <tt>ntp_gettime()</tt> system call. A similar display can be obtained using the <tt>ntpdc</tt> program and <tt>kerninfo</tt> command.</p>
<h4>Options</h4>
<dl>
<dt><tt>-c</tt>
<dd>Display the execution time of <tt>ntptime</tt> itself.
<dt><tt>-e <i>est_error</i></tt>
<dd>Specify estimated error, in microseconds.
<dt><tt>-f <i>frequency</i></tt>
<dd>Specify frequency offset, in parts per million.
<dt><tt>-h</tt>
<dd>Display help information.
<dt><tt>-m <i>max_error</i></tt>
<dd>Specify max possible errors, in microseconds.
<dt><tt>-o <i>offset</i></tt>
<dd>Specify clock offset, in microseconds.
<dt><tt>-r</tt>
<dd>Display Unix and NTP times in raw format.
<dt><tt>-s <i>status</i></tt>
<dd>Specify clock status. Better know what you are doing.
<dt><tt>-t <i>time_constant</i></tt>
<dd>Specify time constant, an integer in the range 0-10.
</dl>
<hr>
<script type="text/javascript" language="javascript" src="scripts/footer.txt"></script>
</body>
PR/25482 reinstate NTP html pages (sans gif's/img tags). The important man pages are now generated by autogen and thus match again the code again.
2007-01-20 19:50:29 +03:00
</html>