gettimeofday test

gettimeofday.c

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/time.h>
#include <signal.h>

static long couter = 0;

void sigalarm(int sig)
{   
    printf("Sum: %ld\n", couter);
    exit(1);
}

int main()
{   
    struct timeval now;
    signal(SIGALRM, sigalarm);
    alarm(1);
    while (1) {
        gettimeofday(&now, NULL);
        couter++;
    }

    return 0;
}

On 2.4 GHz Intel Core 2 Duo ===> Sum: 17685931

ON Pentium(R) Dual-Core CPU E5800 @ 3.20GHz ====> Sum: 4006721