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author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2014-12-02 09:01:21 +0000 |
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committer | <> | 2014-12-04 16:11:25 +0000 |
commit | bdab5265fcbf3f472545073a23f8999749a9f2b9 (patch) | |
tree | c6018dd03dea906f8f1fb5f105f05b71a7dc250a /html/ntptime.html | |
download | ntp-d4b7cd9723cce9561fa15f74b90b85a3a61b5ef8.tar.gz |
Imported from /home/lorry/working-area/delta_ntp/ntp-dev-4.2.7p482.tar.gz.ntp-dev-4.2.7p482
Diffstat (limited to 'html/ntptime.html')
-rw-r--r-- | html/ntptime.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/html/ntptime.html b/html/ntptime.html new file mode 100644 index 0000000..8f14761 --- /dev/null +++ b/html/ntptime.html @@ -0,0 +1,46 @@ +<!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 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> +<script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> +</body> +</html> |