linux/linux-5.4.31/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c

32 lines
535 B
C

// 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;
gettimeofday(&tv_start, NULL);
for(i = 0; i < 100000000; i++) {
gettimeofday(&tv_end, NULL);
}
printf("time = %.6f\n", tv_end.tv_sec - tv_start.tv_sec + (tv_end.tv_usec - tv_start.tv_usec) * 1e-6);
return 0;
}
int main(void)
{
return test_harness(test_gettimeofday, "gettimeofday");
}