1/* Define timing macros.
2 Copyright (C) 2013-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#undef attribute_hidden
20#define attribute_hidden
21#ifdef USE_CLOCK_GETTIME
22# include <sysdeps/generic/hp-timing.h>
23#else
24# include <hp-timing.h>
25#endif
26#include <stdint.h>
27
28#define GL(x) _##x
29#define GLRO(x) _##x
30typedef hp_timing_t timing_t;
31
32#define TIMING_TYPE "hp_timing"
33
34#define TIMING_NOW(var) HP_TIMING_NOW (var)
35#define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
36#define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
37
38#define TIMING_PRINT_MEAN(d_total_s, d_iters) \
39 printf ("\t%g", (d_total_s) / (d_iters))
40

source code of glibc/benchtests/bench-timing.h