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// timestamp tapset
// Copyright (C) 2005-2006 Red Hat Inc.
// Copyright (C) 2006 Intel Corporation.
//
// 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.
%{
#include <linux/time.h>
%}
// return processor cycle counter (if any)
function get_cycles:long () %{ /* pure */
cycles_t c = get_cycles();
THIS->__retvalue = (int64_t) c;
%}
// return in microseconds since epoch
function gettimeofday_us:long () %{ /* pure */
/* NOTE: we can't use do_gettimeofday because we could be called from a
* context where xtime_lock is already held. See bug #2525. */
THIS->__retvalue = _stp_gettimeofday_us();
%}
// return in milliseconds since epoch
function gettimeofday_ms:long () {
return gettimeofday_us() / 1000;
}
// return in seconds since epoch
function gettimeofday_s:long () {
return gettimeofday_us() / 1000000;
}
// likewise jiffies, monotonic_clock ...
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