1*052d159aSCy Schubert<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2*052d159aSCy Schubert<html> 3*052d159aSCy Schubert<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ --> 42b15cb3dSCy Schubert<head> 5*052d159aSCy Schubert<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 6*052d159aSCy Schubert<title>calc_tickadj User’s Manual</title> 7*052d159aSCy Schubert 8*052d159aSCy Schubert<meta name="description" content="calc_tickadj User’s Manual"> 9*052d159aSCy Schubert<meta name="keywords" content="calc_tickadj User’s Manual"> 10*052d159aSCy Schubert<meta name="resource-type" content="document"> 11*052d159aSCy Schubert<meta name="distribution" content="global"> 12*052d159aSCy Schubert<meta name="Generator" content="makeinfo"> 13*052d159aSCy Schubert<link href="#Top" rel="start" title="Top"> 14*052d159aSCy Schubert<link href="dir.html#Top" rel="up" title="(dir)"> 15*052d159aSCy Schubert<style type="text/css"> 16*052d159aSCy Schubert<!-- 17*052d159aSCy Schuberta.summary-letter {text-decoration: none} 18*052d159aSCy Schubertblockquote.indentedblock {margin-right: 0em} 19*052d159aSCy Schubertblockquote.smallindentedblock {margin-right: 0em; 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font-weight: normal} 38*052d159aSCy Schubertspan.sansserif {font-family: sans-serif; font-weight: normal} 39*052d159aSCy Schubertul.no-bullet {list-style: none} 40*052d159aSCy Schubert--> 41*052d159aSCy Schubert</style> 42*052d159aSCy Schubert 43*052d159aSCy Schubert 442b15cb3dSCy Schubert</head> 45*052d159aSCy Schubert 46*052d159aSCy Schubert<body lang="en"> 47*052d159aSCy Schubert<h1 class="settitle" align="center">calc_tickadj User’s Manual</h1> 48*052d159aSCy Schubert 49*052d159aSCy Schubert 50*052d159aSCy Schubert 51*052d159aSCy Schubert 52*052d159aSCy Schubert<a name="Top"></a> 53*052d159aSCy Schubert<div class="header"> 54*052d159aSCy Schubert<p> 55*052d159aSCy SchubertPrevious: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a> </p> 562b15cb3dSCy Schubert</div> 57*052d159aSCy Schubert<a name="calc_005ftickadj-User_0027s-Manual"></a> 58*052d159aSCy Schubert<h1 class="top">calc_tickadj User’s Manual</h1> 592b15cb3dSCy Schubert 60*052d159aSCy Schubert<p>This document describes the use of the NTP Project’s <code>calc_tickadj</code> program. 61*052d159aSCy SchubertThis document applies to version 4.2.8p13 of <code>calc_tickadj</code>. 62*052d159aSCy Schubert</p> 63*052d159aSCy Schubert<a name="SEC_Overview"></a> 64*052d159aSCy Schubert<h2 class="shortcontents-heading">Short Table of Contents</h2> 652b15cb3dSCy Schubert 662b15cb3dSCy Schubert<div class="shortcontents"> 67*052d159aSCy Schubert<ul class="no-bullet"> 68*052d159aSCy Schubert<li><a name="stoc-Invoking-calc_005ftickadj" href="#toc-Invoking-calc_005ftickadj">1 Invoking calc_tickadj</a></li> 692b15cb3dSCy Schubert</ul> 702b15cb3dSCy Schubert</div> 712b15cb3dSCy Schubert 722b15cb3dSCy Schubert 73*052d159aSCy Schubert<table class="menu" border="0" cellspacing="0"> 74*052d159aSCy Schubert<tr><td align="left" valign="top">• calc_tickadj Description:</td><td> </td><td align="left" valign="top">Description 75*052d159aSCy Schubert</td></tr> 76*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-Invocation" accesskey="2">calc_tickadj Invocation</a>:</td><td> </td><td align="left" valign="top">Invoking calc_tickadj 77*052d159aSCy Schubert</td></tr> 78*052d159aSCy Schubert</table> 79*052d159aSCy Schubert 80*052d159aSCy Schubert<hr> 81*052d159aSCy Schubert<a name="calc_005ftickadj-Invocation"></a> 82*052d159aSCy Schubert<div class="header"> 83*052d159aSCy Schubert<p> 84*052d159aSCy SchubertUp: <a href="#Top" accesskey="u" rel="up">Top</a> </p> 852b15cb3dSCy Schubert</div> 86*052d159aSCy Schubert<a name="Invoking-calc_005ftickadj"></a> 87*052d159aSCy Schubert<h2 class="chapter">1 Invoking calc_tickadj</h2> 88*052d159aSCy Schubert<a name="index-calc_005ftickadj"></a> 89*052d159aSCy Schubert<a name="index-Calculates-_0022optimal_0022-value-for-tick-given-ntp-drift-file_002e"></a> 902b15cb3dSCy Schubert 91*052d159aSCy Schubert<p>The <code>calc_tickadj</code> script uses provided ntp drift file to generate optimal 922b15cb3dSCy Schuberttick value. Generally, ntpd can do better job if the drift value is the 932b15cb3dSCy Schubertsmallest possible number. 94*052d159aSCy Schubert</p> 952b15cb3dSCy Schubert<p>The example output of 96*052d159aSCy Schubert</p><div class="example"> 972b15cb3dSCy Schubert<pre class="example">$ ./calc_tickadj 982b15cb3dSCy Schubert81.699 (drift) 992b15cb3dSCy Schubert9999 usec; 9999779 nsec 1002b15cb3dSCy Schubert$ cat /etc/ntp/drift 1012b15cb3dSCy Schubert-23.159 102*052d159aSCy Schubert</pre></div> 103*052d159aSCy Schubert 1042b15cb3dSCy Schubert<p>means the following. If tick on that box is 10,000, by making the value 9999 105*052d159aSCy Schubertwe’ll shift the box from its current drift of -23.159 to a drift of 81.699, and 106*052d159aSCy Schubertin doing so we’ll speed the clock up a little every second instead of slowing 1072b15cb3dSCy Schubertthe clock down a little. 108*052d159aSCy Schubert</p> 109*052d159aSCy Schubert<p>If ’tick’ on that box is 10,000,000 then by setting it to 9999779 the drift 1102b15cb3dSCy Schubertvalue will be somewhere around 0.0. 111*052d159aSCy Schubert</p> 1122b15cb3dSCy Schubert<p><code>calc_tickadj</code> tries to determine the the tick value by using 113*052d159aSCy Schubert<code>tickadj</code> program from ntp package. If this doesn’t work you can specify 1142b15cb3dSCy Schubertcurrent tick manually on command line. 115*052d159aSCy Schubert</p> 1162b15cb3dSCy Schubert 1172b15cb3dSCy Schubert<p>This section was generated by <strong>AutoGen</strong>, 1182b15cb3dSCy Schubertusing the <code>agtexi-cmd</code> template and the option descriptions for the <code>calc_tickadj</code> program. 119*052d159aSCy Schubert</p> 120*052d159aSCy Schubert<table class="menu" border="0" cellspacing="0"> 121*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-usage" accesskey="1">calc_tickadj usage</a>:</td><td> </td><td align="left" valign="top">calc_tickadj help/usage (<samp>--help</samp>) 122*052d159aSCy Schubert</td></tr> 123*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-drift_002dfile" accesskey="2">calc_tickadj drift-file</a>:</td><td> </td><td align="left" valign="top">drift-file option (-d) 124*052d159aSCy Schubert</td></tr> 125*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-tick" accesskey="3">calc_tickadj tick</a>:</td><td> </td><td align="left" valign="top">tick option (-t) 126*052d159aSCy Schubert</td></tr> 127*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-exit-status" accesskey="4">calc_tickadj exit status</a>:</td><td> </td><td align="left" valign="top">exit status 128*052d159aSCy Schubert</td></tr> 129*052d159aSCy Schubert</table> 1302b15cb3dSCy Schubert 131*052d159aSCy Schubert<hr> 132*052d159aSCy Schubert<a name="calc_005ftickadj-usage"></a> 133*052d159aSCy Schubert<div class="header"> 134*052d159aSCy Schubert<p> 135*052d159aSCy SchubertNext: <a href="#calc_005ftickadj-drift_002dfile" accesskey="n" rel="next">calc_tickadj drift-file</a>, Up: <a href="#calc_005ftickadj-Invocation" accesskey="u" rel="up">calc_tickadj Invocation</a> </p> 1362b15cb3dSCy Schubert</div> 137*052d159aSCy Schubert<a name="calc_005ftickadj-help_002fusage-_0028_002d_002dhelp_0029"></a> 138*052d159aSCy Schubert<h3 class="section">1.1 calc_tickadj help/usage (<samp>--help</samp>)</h3> 139*052d159aSCy Schubert<a name="index-calc_005ftickadj-help"></a> 1402b15cb3dSCy Schubert 141*052d159aSCy Schubert<p>This is the automatically generated usage text for calc_tickadj. 142*052d159aSCy Schubert</p> 1432b15cb3dSCy Schubert<p>The text printed is the same whether selected with the <code>help</code> option 144*052d159aSCy Schubert(<samp>--help</samp>) or the <code>more-help</code> option (<samp>--more-help</samp>). <code>more-help</code> will print 1452b15cb3dSCy Schubertthe usage text by passing it through a pager program. 1462b15cb3dSCy Schubert<code>more-help</code> is disabled on platforms without a working 1472b15cb3dSCy Schubert<code>fork(2)</code> function. The <code>PAGER</code> environment variable is 148*052d159aSCy Schubertused to select the program, defaulting to <samp>more</samp>. Both will exit 1492b15cb3dSCy Schubertwith a status code of 0. 150*052d159aSCy Schubert</p> 151*052d159aSCy Schubert<div class="example"> 152*052d159aSCy Schubert<pre class="example">calc_tickadj - Calculates "optimal" value for tick given ntp drift file. - Ver. 4.2.7p467 1532b15cb3dSCy SchubertUSAGE: calc_tickadj [ -<flag> [<val>] | --<name>[{=| }<val>] ]... 1542b15cb3dSCy Schubert 1552b15cb3dSCy Schubert -d, --drift-file=str Ntp drift file to use 1562b15cb3dSCy Schubert -t, --tick=num Tick value of this host 1572b15cb3dSCy Schubert -?, --help Display usage information and exit 1582b15cb3dSCy Schubert --more-help Pass the extended usage text through a pager 1592b15cb3dSCy Schubert 1602b15cb3dSCy SchubertOptions are specified by doubled hyphens and their name or by a single 1612b15cb3dSCy Schuberthyphen and the flag character. 162*052d159aSCy Schubert</pre></div> 163*052d159aSCy Schubert 164*052d159aSCy Schubert<table class="menu" border="0" cellspacing="0"> 165*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-drift_002dfile" accesskey="1">calc_tickadj drift-file</a>:</td><td> </td><td align="left" valign="top"> 166*052d159aSCy Schubert</td></tr> 167*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-tick" accesskey="2">calc_tickadj tick</a>:</td><td> </td><td align="left" valign="top"> 168*052d159aSCy Schubert</td></tr> 169*052d159aSCy Schubert<tr><td align="left" valign="top">• <a href="#calc_005ftickadj-exit-status" accesskey="3">calc_tickadj exit status</a>:</td><td> </td><td align="left" valign="top"> 170*052d159aSCy Schubert</td></tr> 171*052d159aSCy Schubert</table> 172*052d159aSCy Schubert 173*052d159aSCy Schubert<hr> 174*052d159aSCy Schubert<a name="calc_005ftickadj-drift_002dfile"></a> 175*052d159aSCy Schubert<div class="header"> 176*052d159aSCy Schubert<p> 177*052d159aSCy SchubertNext: <a href="#calc_005ftickadj-tick" accesskey="n" rel="next">calc_tickadj tick</a>, Previous: <a href="#calc_005ftickadj-usage" accesskey="p" rel="prev">calc_tickadj usage</a>, Up: <a href="#calc_005ftickadj-usage" accesskey="u" rel="up">calc_tickadj usage</a> </p> 1782b15cb3dSCy Schubert</div> 179*052d159aSCy Schubert<a name="drift_002dfile-option-_0028_002dd_0029"></a> 180*052d159aSCy Schubert<h4 class="subsection">1.1.1 drift-file option (-d)</h4> 181*052d159aSCy Schubert<a name="index-calc_005ftickadj_002ddrift_002dfile"></a> 1822b15cb3dSCy Schubert 183*052d159aSCy Schubert<p>This is the “ntp drift file to use” option. 1842b15cb3dSCy SchubertThis option takes a string argument. 1852b15cb3dSCy SchubertUse the specified drift file for calculations 186*052d159aSCy Schubert</p><hr> 187*052d159aSCy Schubert<a name="calc_005ftickadj-tick"></a> 188*052d159aSCy Schubert<div class="header"> 189*052d159aSCy Schubert<p> 190*052d159aSCy SchubertNext: <a href="#calc_005ftickadj-exit-status" accesskey="n" rel="next">calc_tickadj exit status</a>, Previous: <a href="#calc_005ftickadj-drift_002dfile" accesskey="p" rel="prev">calc_tickadj drift-file</a>, Up: <a href="#calc_005ftickadj-usage" accesskey="u" rel="up">calc_tickadj usage</a> </p> 1912b15cb3dSCy Schubert</div> 192*052d159aSCy Schubert<a name="tick-option-_0028_002dt_0029"></a> 193*052d159aSCy Schubert<h4 class="subsection">1.1.2 tick option (-t)</h4> 194*052d159aSCy Schubert<a name="index-calc_005ftickadj_002dtick"></a> 1952b15cb3dSCy Schubert 196*052d159aSCy Schubert<p>This is the “tick value of this host” option. 1972b15cb3dSCy SchubertThis option takes a number argument. 1982b15cb3dSCy SchubertThe current tick which to adjustment will be calculated 199*052d159aSCy Schubert</p><hr> 200*052d159aSCy Schubert<a name="calc_005ftickadj-exit-status"></a> 201*052d159aSCy Schubert<div class="header"> 202*052d159aSCy Schubert<p> 203*052d159aSCy SchubertPrevious: <a href="#calc_005ftickadj-tick" accesskey="p" rel="prev">calc_tickadj tick</a>, Up: <a href="#calc_005ftickadj-usage" accesskey="u" rel="up">calc_tickadj usage</a> </p> 2042b15cb3dSCy Schubert</div> 205*052d159aSCy Schubert<a name="calc_005ftickadj-exit-status-1"></a> 206*052d159aSCy Schubert<h4 class="subsection">1.1.3 calc_tickadj exit status</h4> 2072b15cb3dSCy Schubert 2082b15cb3dSCy Schubert<p>One of the following exit values will be returned: 209*052d159aSCy Schubert</p><dl compact="compact"> 210*052d159aSCy Schubert<dt>‘<samp>0 (EXIT_SUCCESS)</samp>’</dt> 211*052d159aSCy Schubert<dd><p>Successful program execution. 212*052d159aSCy Schubert</p></dd> 213*052d159aSCy Schubert<dt>‘<samp>1 (EXIT_FAILURE)</samp>’</dt> 214*052d159aSCy Schubert<dd><p>The operation failed or the command syntax was not valid. 215*052d159aSCy Schubert</p></dd> 2162b15cb3dSCy Schubert</dl> 217*052d159aSCy Schubert<hr> 2182b15cb3dSCy Schubert 2192b15cb3dSCy Schubert 220*052d159aSCy Schubert 221*052d159aSCy Schubert</body> 222*052d159aSCy Schubert</html> 223