/usr/share/systemtap/tapset/tzinfo.stp is in systemtap-common 1.7-1+deb7u1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | // 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_gmtoff - Return local time zone offset
*
* Description: Returns the local time zone offset (seconds west of UTC), as
* passed by staprun at script startup only.
*/
function tz_gmtoff() {
return %{ /* pure */ /* unprivileged */ tz_gmtoff %}
}
/**
* sfunction tz_name - Return local time zone name
*
* Description: Returns the local time zone name, as passed by staprun at
* script startup only.
*/
function tz_name() {
return %{ /* pure */ /* unprivileged */ /* string */ tz_name %}
}
/**
* 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())
}
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