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b10n1k/papi_hw_info.c

Created March 9, 2023 06:14
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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);
}
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