#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "papi.h"

char *get_offcore_event(char *event, int size) {

	const PAPI_hw_info_t *hwinfo;

	hwinfo = PAPI_get_hardware_info();

	if ( hwinfo == NULL ) {

		return NULL;

	}

	if (hwinfo->vendor == PAPI_VENDOR_INTEL) {

		if ( hwinfo->cpuid_family == 6) {

			switch(hwinfo->cpuid_model) {

			case 26:

			case 30:

			case 31: /* Nehalem */

			case 46: /* Nehalem EX */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:LOCAL_DRAM",size);

			return event;

			break;

			case 37:

			case 44: /* Westmere */

			case 47: /* Westmere EX */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:LOCAL_DRAM",size);

			return event;

			break;

			case 45: /* SandyBridge EP */

			case 42: /* SandyBridge */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 58: /* IvyBridge */

			case 62: /* Ivy Trail */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 60: /* Haswell */

			case 69:

			case 70:

			case 63: /* Haswell EP */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 61: /* Broadwell */

			case 71:

			case 86:

			case 79: /* Broadwell EP */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 78: /* Skylake */

			case 94:

			case 85: /* Skylake-X */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 142: /* Kabylake */

			case 158:

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			case 87: /* Knights Landing */

			strncpy(event,

			"OFFCORE_RESPONSE_0:DMND_DATA_RD:ANY_RESPONSE",size);

			return event;

			break;

			}

		}

		return NULL;

	}

	else if (hwinfo->vendor == PAPI_VENDOR_AMD) {

		return NULL;

	}

	return NULL;

}

char *get_instructions_event(char *event, int size) {

	const PAPI_hw_info_t *hwinfo;

	hwinfo = PAPI_get_hardware_info();

	if ( hwinfo == NULL ) {

		return NULL;

	}

	if (hwinfo->vendor == PAPI_VENDOR_INTEL) {

		if ( hwinfo->cpuid_family == 6) {

			strncpy(event,"INSTRUCTIONS_RETIRED",size);

			return event;

		}

		if ( hwinfo->cpuid_family == 15) {

			strncpy(event,"INSTR_RETIRED:NBOGUSNTAG",size);

			return event;

		}

		return NULL;

	}

	else if (hwinfo->vendor == PAPI_VENDOR_AMD) {

		strncpy(event,"RETIRED_INSTRUCTIONS",size);

		return event;

	}

	return NULL;

}

char *get_invalid_event_name(char *event, int size) {

	const PAPI_hw_info_t *hwinfo;

	hwinfo = PAPI_get_hardware_info();

	if ( hwinfo == NULL ) {

		return NULL;

	}

	if (hwinfo->vendor == PAPI_VENDOR_INTEL) {

		if ( hwinfo->cpuid_family == 6) {

			switch(hwinfo->cpuid_model) {

			case 78: /* Skylake */

			case 94:

			case 85: /* Skylake-X */

			strncpy(event,

			"DTLB_LOAD_MISSES:MISS_CAUSES_A_WALK,DTLB_STORE_MISSES:MISS_CAUSES_A_WALK:u=1",size);

			return event;

			break;

			}

		}

		return NULL;

	}

	else if (hwinfo->vendor == PAPI_VENDOR_AMD) {

		return NULL;

	}

	return NULL;

}