Calculate function execution time

time-it.c

#include <time.h>
#include "lib/dbg.h"

void my_function() {
    
}

int main (int argc, char const* argv[]) {
    clock_t begin, end;
    double time_spent;

    begin = clock();
    my_function();
    end = clock();

    time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
    log_info("function exec time: %f", time_spent);

    return 0;
}