/*

 * File:    all_native_events.c

 * Author:  Haihang You <you@cs.utk.edu>

 */

/* This test tries to add all native events from all components */

/* This file hardware info and performs the following test:

		- Start and stop all native events.

    This is a good preliminary way to validate native event tables.

	In its current form this test also stresses the number of

	events sets the library can handle outstanding.

*/

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "papi.h"

#include "papi_test.h"

static int

check_event( int event_code, char *name, int quiet )

{

	int retval;

	long long values;

	int EventSet = PAPI_NULL;

	/* Possibly there was an older issue with the	*/

	/* REPLAY_EVENT:BR_MSP on Pentium4 ???		*/

	/* Create an eventset */

	retval = PAPI_create_eventset( &EventSet );

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );

	}

	/* Add the event */

	retval = PAPI_add_event( EventSet, event_code );

	if ( retval != PAPI_OK ) {

		if (!quiet) printf( "Error adding %s %d\n", name, retval );

		return retval;

	}

	/* Start the event */

	retval = PAPI_start( EventSet );

	if ( retval != PAPI_OK ) {

		PAPI_perror( "PAPI_start" );

	} else {

		retval = PAPI_stop( EventSet, &values );

		if ( retval != PAPI_OK ) {

			PAPI_perror( "PAPI_stop" );

			return retval;

		} else {

			if (!quiet) printf( "Added and Stopped %s successfully.\n", name );

		}

	}

	/* Cleanup the eventset */

	retval=PAPI_cleanup_eventset( EventSet );

	if (retval != PAPI_OK ) {

		test_fail( __FILE__, __LINE__, "PAPI_cleanup_eventset", retval);

	}

	/* Destroy the eventset */

	retval=PAPI_destroy_eventset( &EventSet );

	if (retval != PAPI_OK ) {

		test_fail( __FILE__, __LINE__, "PAPI_destroy_eventset", retval);

	}

	return PAPI_OK;

}

int

main( int argc, char **argv )

{

	int i, k, add_count = 0, err_count = 0;

	int retval;

	PAPI_event_info_t info, info1;

	const PAPI_hw_info_t *hwinfo = NULL;

	const PAPI_component_info_t* cmpinfo;

	int event_code;

	int numcmp, cid;

	int quiet;

	/* Set quiet variable */

	quiet=tests_quiet( argc, argv );

	/* Init PAPI library */

	retval = PAPI_library_init( PAPI_VER_CURRENT );

	if ( retval != PAPI_VER_CURRENT ) {

		test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );

	}

	if (!quiet) {

		printf("Test case ALL_NATIVE_EVENTS: Available "

				"native events and hardware "

				"information.\n");

	}

	hwinfo=PAPI_get_hardware_info();

	if ( hwinfo == NULL ) {

		test_fail( __FILE__, __LINE__, "PAPI_get_hardware_info", 2 );

	}

	numcmp = PAPI_num_components(  );

	/* Loop through all components */

	for( cid = 0; cid < numcmp; cid++ ) {

		cmpinfo = PAPI_get_component_info( cid );

		if (cmpinfo  == NULL) {

			test_fail( __FILE__, __LINE__, "PAPI_get_component_info", 2 );

		}

		/* Skip disabled components */

		if (cmpinfo->disabled) {

			if (!quiet) {

				printf( "Name:   %-23s %s\n",

					cmpinfo->name ,cmpinfo->description);

				printf("   \\-> Disabled: %s\n",

					cmpinfo->disabled_reason);

			}

			continue;

		}

		/* For platform independence, always ASK FOR the first event */

		/* Don't just assume it'll be the first numeric value */

		i = 0 | PAPI_NATIVE_MASK;

		retval = PAPI_enum_cmp_event( &i, PAPI_ENUM_FIRST, cid );

		do {

			retval = PAPI_get_event_info( i, &info );

			/* We used to skip OFFCORE and UNCORE events  */

			/* Why? */

			/* Enumerate all umasks */

	  k = i;

	  if ( PAPI_enum_cmp_event(&k, PAPI_NTV_ENUM_UMASKS, cid )==PAPI_OK ) {

	     do {

		retval = PAPI_get_event_info( k, &info1 );

		event_code = ( int ) info1.event_code;

		if ( check_event( event_code, info1.symbol, quiet ) == PAPI_OK ) {

		   add_count++;

		}

		else {

		   err_count++;

		}

	     } while ( PAPI_enum_cmp_event( &k, PAPI_NTV_ENUM_UMASKS, cid ) == PAPI_OK );

	  } else {

	    /* Event didn't have any umasks */

	    event_code = ( int ) info.event_code;

	    if ( check_event( event_code, info.symbol, quiet ) == PAPI_OK) {

	       add_count++;

	    }

	    else {

	       err_count++;

	    }

	  }

       } while ( PAPI_enum_cmp_event( &i, PAPI_ENUM_EVENTS, cid ) == PAPI_OK );

    }

	if (!quiet) {

		printf( "\n\nSuccessfully found and added %d events "

			"(in %d eventsets).\n",

			add_count , add_count);

	}

	if ( err_count ) {

		if (!quiet) printf( "Failed to add %d events.\n", err_count );

	}

	if ( add_count <= 0 ) {

		test_fail( __FILE__, __LINE__, "No events added", 1 );

	}

	test_pass( __FILE__ );

	return 0;

}