ubuntu-linux-kernel/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c

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2024-04-01 15:06:58 +00:00
/*
* Copyright 2015, Anton Blanchard, IBM Corp.
* Licensed under GPLv2.
*/
#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");
}