These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / tools / testing / selftests / powerpc / benchmarks / gettimeofday.c
1 /*
2  * Copyright 2015, Anton Blanchard, IBM Corp.
3  * Licensed under GPLv2.
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;
16
17         gettimeofday(&tv_start, NULL);
18
19         for(i = 0; i < 100000000; i++) {
20                 gettimeofday(&tv_end, NULL);
21         }
22
23         printf("time = %.6f\n", tv_end.tv_sec - tv_start.tv_sec + (tv_end.tv_usec - tv_start.tv_usec) * 1e-6);
24
25         return 0;
26 }
27
28 int main(void)
29 {
30         return test_harness(test_gettimeofday, "gettimeofday");
31 }