rc_test_time.c

/**
 * @file rc_test_time.c
 * @example    rc_test_time
 *
 * Prints the current version of the robot control library.
 *
 *
 *
 * @author     James Strawson
 * @date       1/29/2018
 */

#include <stdio.h>
#include <inttypes.h> // for PRIu64
#include <rc/time.h>

#define LOOPS 10000

int main()
{
        int i;
        uint64_t a,b,nanos;


        printf("\ntesting rc time functions\n");

        // time rc_nanos_since_epoch
        a=rc_nanos_since_epoch();
        for(i=0;i<LOOPS;i++) b=rc_nanos_since_epoch();
        nanos=(b-a)/LOOPS;
        printf("average time to call rc_nanos_since_epoch: %" PRIu64 "ns\n",nanos);

        // time rc_nanos_since_boot
        a=rc_nanos_since_boot();
        for(i=0;i<LOOPS;i++) b=rc_nanos_since_boot();
        nanos=(b-a)/LOOPS;
        printf("average time to call rc_nanos_since_boot: %" PRIu64 "ns\n",nanos);

        // time rc_nanos_thread_time
        a=rc_nanos_thread_time();
        for(i=0;i<LOOPS;i++) b=rc_nanos_thread_time();
        nanos=(b-a)/LOOPS;
        printf("average time to call rc_nanos_thread_time: %" PRIu64 "ns\n",nanos);

        return 0;
}