/usr/share/systemtap/tapset/dyninst/tzinfo.stp is in systemtap-common 2.3-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | // timezone tapset
// Copyright (C) 2013 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.
// NB: functionally equivalent to linux/tzinfo.stp
function tz_gmtoff()
%{ /* pure */ /* unprivileged */
STAP_RETVALUE = stp_session_attributes()->tz_gmtoff;
%}
function tz_name()
%{ /* pure */ /* unprivileged */
strlcpy(STAP_RETVALUE, stp_session_attributes()->tz_name, MAXSTRINGLEN);
%}
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