freebsd-dev/contrib/ntp/html/ntptime.html

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<h3><tt>ntptime</tt> - read and set kernel time variables</h3>
<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>
<p>The turtle has been swimming in the kernel.</p>
<p>Last update:
  <!-- #BeginDate format:En2m -->11-Sep-2010  05:55<!-- #EndDate -->
  UTC</p>
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<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></dt>
  <dd>Display the execution time of <tt>ntptime</tt> itself.</dd>
  <dt><tt>-e <i>est_error</i></tt></dt>
  <dd>Specify estimated error, in microseconds.</dd>
  <dt><tt>-f <i>frequency</i></tt></dt>
  <dd>Specify frequency offset, in parts per million.</dd>
  <dt><tt>-h</tt></dt>
  <dd>Display help information.</dd>
  <dt><tt>-m <i>max_error</i></tt></dt>
  <dd>Specify max possible errors, in microseconds.</dd>
  <dt><tt>-o <i>offset</i></tt></dt>
  <dd>Specify clock offset, in microseconds.</dd>
  <dt><tt>-r</tt></dt>
  <dd>Display Unix and NTP times in raw format.</dd>
  <dt><tt>-s <i>status</i></tt></dt>
  <dd>Specify clock status. Better know what you are doing.</dd>
  <dt><tt>-t <i>time_constant</i></tt></dt>
  <dd>Specify time constant, an integer in the range 0-10.</dd>
</dl>
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Virgin import of ntpd 4.2.0 2004-07-20 15:01:56 +00:00			`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">`
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Vendor import ntp 4.2.8. Reviewed by: roberto Security: VUXML: 4033d826-87dd-11e4-9079-3c970e169bc2 Security: http://www.kb.cert.org/vuls/id/852879 Security: CVE-2014-9293 Security CVE-2014-9294 Security CVE-2014-9295 Security CVE-2014-9296 2014-12-20 22:52:39 +00:00			`<head>`
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			`<title>ntptime - read and set kernel time variables</title>`
			`<link href="scripts/style.css" type="text/css" rel="stylesheet">`
			`</head>`
			`<body>`
			`<h3><tt>ntptime</tt> - read and set kernel time variables</h3>`
			`<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>`
			`<p>The turtle has been swimming in the kernel.</p>`
			`<p>Last update:`
			`<!-- #BeginDate format:En2m -->11-Sep-2010 05:55<!-- #EndDate -->`
			`UTC</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></dt>`
			`<dd>Display the execution time of <tt>ntptime</tt> itself.</dd>`
			`<dt><tt>-e <i>est_error</i></tt></dt>`
			`<dd>Specify estimated error, in microseconds.</dd>`
			`<dt><tt>-f <i>frequency</i></tt></dt>`
			`<dd>Specify frequency offset, in parts per million.</dd>`
			`<dt><tt>-h</tt></dt>`
			`<dd>Display help information.</dd>`
			`<dt><tt>-m <i>max_error</i></tt></dt>`
			`<dd>Specify max possible errors, in microseconds.</dd>`
			`<dt><tt>-o <i>offset</i></tt></dt>`
			`<dd>Specify clock offset, in microseconds.</dd>`
			`<dt><tt>-r</tt></dt>`
			`<dd>Display Unix and NTP times in raw format.</dd>`
			`<dt><tt>-s <i>status</i></tt></dt>`
			`<dd>Specify clock status. Better know what you are doing.</dd>`
			`<dt><tt>-t <i>time_constant</i></tt></dt>`
			`<dd>Specify time constant, an integer in the range 0-10.</dd>`
			`</dl>`
			`<hr>`
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