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: / proc / 2 / root / usr / share / systemtap / tapset /
Filename : tzinfo.stp
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// timezone tapset
// Copyright (C) 2010 Red Hat Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.


/**
 * sfunction tz_ctime - Convert seconds since epoch into human readable date/time string, with local time zone
 *
 * @epochsecs: number of seconds since epoch (as returned by gettimeofday_s())
 *
 * Description: Takes an argument of seconds since the epoch as returned by
 * gettimeofday_s().  Returns a string of the same form as ctime(), but
 * offsets the epoch time for the local time zone, and appends the name of the
 * local time zone.  The string length may vary.  The time zone information is
 * passed by staprun at script startup only.
 */
function tz_ctime(epochsecs) {
   return (ctime(epochsecs - tz_gmtoff()) . " " . tz_name())
}