papi_hw_info.c

int main()
{
  const PAPI_hw_info_t *hwinfo = NULL;
  int retval;

  /***************************************************************************
   *  This part initializes the library and compares the version number of the*
   * header file, to the version of the library, if these don't match then it *
   * is likely that PAPI won't work correctly.If there is an error, retval    *
   * keeps track of the version number.                                       *
   ***************************************************************************/


  if((retval = PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT )
    {
      printf("Library initialization error! \n");
      exit(1);
    }

  /* Get hardware info*/
  if ((hwinfo = PAPI_get_hardware_info()) == NULL)
    {
      printf("PAPI_get_hardware_info error! \n");
      exit(1);
    }
  /* when there is an error, PAPI_get_hardware_info returns NULL */


  printf("%d CPU  at %f Mhz.\n",hwinfo->totalcpus,hwinfo->mhz);
  printf(" model string is %s \n", hwinfo->model_string);

  /* clean up */
  PAPI_shutdown();

  exit(0);

}