2 * Copyright © 2015 Kazunobu Kuriyama <kazunobu.kuriyama@nifty.com>
3 * Ran Benita <ran234@gmail.com>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
34 bench_start(struct bench *bench)
37 (void) gettimeofday(&val, NULL);
38 bench->start = (struct bench_time) {
39 .seconds = val.tv_sec,
40 .microseconds = val.tv_usec,
45 bench_stop(struct bench *bench)
48 (void) gettimeofday(&val, NULL);
49 bench->stop = (struct bench_time) {
50 .seconds = val.tv_sec,
51 .microseconds = val.tv_usec,
56 bench_elapsed(const struct bench *bench, struct bench_time *result)
58 result->seconds = bench->stop.seconds - bench->start.seconds;
59 result->microseconds = bench->stop.microseconds - bench->start.microseconds;
60 if (result->microseconds < 0) {
61 result->microseconds += 1000000;
67 bench_elapsed_str(const struct bench *bench)
69 struct bench_time elapsed;
73 bench_elapsed(bench, &elapsed);
74 ret = asprintf(&buf, "%ld.%06ld", elapsed.seconds, elapsed.microseconds);