C gettimeofday example

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

int main(int argc, char **argv)
{
  if (argc < 2)
    {
      printf("USAGE: %s loop-iterations\n", argv[0]);
      return 1;
    }

  int iterations = atoi(argv[1]);

  struct timeval start, end;

  gettimeofday(&start, NULL);

  for (int i = 0; i < iterations; i++)
    {
    }

  gettimeofday(&end, NULL);

  printf("%ld\n", ((end.tv_sec * 1000000 + end.tv_usec)
		  - (start.tv_sec * 1000000 + start.tv_usec)));

  return 0;
}

Source: cs.loyola.edu

Similar codes

0 vote321 views1 answer
Enregistrement en c
C
0 vote346 views1 answer
Get file ligne count c
C
2 votes333 views2 answers
Increment and decrement operator
C
6 votes378 views2 answers
Invoke-webrequest download file
C
21 votes358 views3 answers
Random number c
C
0 vote338 views1 answer
Curl ftp upload file to directory
C
0 vote355 views1 answer
Check if string is the same c
C
0 vote321 views1 answer
C ausgabe von variablen
C
3 votes363 views2 answers
MongoDb Create
C
24 votes373 views3 answers
Filing in C
C