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