1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2015, Anton Blanchard, IBM Corp.
4 */
5
6 #include <sys/time.h>
7 #include <stdio.h>
8
9 #include "utils.h"
10
11 static int test_gettimeofday(void)
12 {
13 int i;
14
15 struct timeval tv_start, tv_end, tv_diff;
16
17 gettimeofday(&tv_start, NULL);
18
19 for(i = 0; i < 100000000; i++) {
20 gettimeofday(&tv_end, NULL);
21 }
22
23 timersub(&tv_start, &tv_end, &tv_diff);
24
25 printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6);
26
27 return 0;
28 }
29
30 int main(void)
31 {
32 return test_harness(test_gettimeofday, "gettimeofday");
33 }
34
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.