linux: Avoid shifting a negative signed on POSIX timer interface
[glibc.git] / benchtests / bench-timing.h
blobb128c94498b367a8d482ca7fe2c8250b38489cf2
1 /* Define timing macros.
2 Copyright (C) 2013-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
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>
28 #define GL(x) _##x
29 #define GLRO(x) _##x
30 typedef hp_timing_t timing_t;
32 #define TIMING_TYPE "hp_timing"
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))
38 #define TIMING_PRINT_MEAN(d_total_s, d_iters) \
39 printf ("\t%g", (d_total_s) / (d_iters))