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  • Committer: Bazaar Package Importer
  • Author(s): Matt Zimmerman
  • Date: 2004-10-11 16:10:27 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20041011161027-icyjbji8ujym633o
Tags: 1:4.2.0a-10ubuntu2
Use ntp.ubuntulinux.org instead of pool.ntp.org

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html/ntptime.html
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
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<html>
 
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    <head>
 
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        <meta name="generator" content="HTML Tidy, see www.w3.org">
 
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        <title>ntptime - read kernel time variables</title>
 
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        <link href="scripts/style.css" type="text/css" rel="stylesheet">
 
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    </head>
 
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    <body>
 
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        <h3><tt>ntptime</tt> - read kernel time variables</h3>
 
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        <img src="pic/pogo5.gif" alt="gif" align="left"><a href="http://www.eecis.udel.edu/~mills/pictures.html">from <i>Pogo</i>, Walt Kelly</a>
 
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        <p>The turtle has been swimming in the kernel.</p>
 
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        <p>Last update: <csobj format="ShortTime" h="24" locale="00000409" region="0" t="DateTime" w="50">20:19</csobj> UTC <csobj format="LongDate" h="24" locale="00000409" region="0" t="DateTime" w="257">Monday, December 02, 2002</csobj></p>
 
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        <br clear="left">
 
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        <hr>
 
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        <h4>Synopsis</h4>
 
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        <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>
 
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        <h4>Description</h4>
 
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        <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>
 
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        <h4>Options</h4>
 
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        <dl>
 
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            <dt><tt>-c</tt>
 
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            <dd>Display the execution time of <tt>ntptime</tt> itself.
 
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            <dt><tt>-e <i>est_error</i></tt>
 
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            <dd>Specify estimated error, in microseconds.
 
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            <dt><tt>-f <i>frequency</i></tt>
 
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            <dd>Specify frequency offset, in parts per million.
 
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            <dt><tt>-h</tt>
 
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            <dd>Display help information.
 
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            <dt><tt>-m <i>max_error</i></tt>
 
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            <dd>Specify max possible errors, in microseconds.
 
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            <dt><tt>-o <i>offset</i></tt>
 
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            <dd>Specify clock offset, in microseconds.
 
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            <dt><tt>-r</tt>
 
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            <dd>Display Unix and NTP times in raw format.
 
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            <dt><tt>-s <i>status</i></tt>
 
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            <dd>Specify clock status. Better know what you are doing.
 
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            <dt><tt>-t <i>time_constant</i></tt>
 
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            <dd>Specify time constant, an integer in the range 0-10.
 
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        </dl>
 
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        <hr>
 
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        <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script>
 
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    </body>
 
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</html>
 
 
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