/****************************/

/* THIS IS OPEN SOURCE CODE */

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/**

 * @file    example_multiple_components.c

 * @author  Vince Weaver

 *	    vweaver1@eecs.utk.edu

 * test if multiple components can be used at once

 *

 *

 * @brief

 *  This tests to see if the CPU component and Example component

 *   can be used simultaneously.

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "papi.h"

#include "papi_test.h"

#define NUM_EVENTS 1

int main (int argc, char **argv)

{

        int retval;

	int EventSet1 = PAPI_NULL, EventSet2 = PAPI_NULL;

	long long values1[NUM_EVENTS];

	long long values2[NUM_EVENTS];

	const PAPI_component_info_t *cmpinfo = NULL;

	int numcmp,cid,example_cid=-1;

	int code;

	int quiet=0;

        /* Set TESTS_QUIET variable */

        quiet=tests_quiet( argc, argv );

	/* PAPI Initialization */

	retval = PAPI_library_init( PAPI_VER_CURRENT );

	if ( retval != PAPI_VER_CURRENT ) {

	   test_fail(__FILE__, __LINE__,"PAPI_library_init failed\n",retval);

	}

	if (!quiet) {

	   printf( "Testing simultaneous component use with PAPI %d.%d.%d\n",

			PAPI_VERSION_MAJOR( PAPI_VERSION ),

			PAPI_VERSION_MINOR( PAPI_VERSION ),

			PAPI_VERSION_REVISION( PAPI_VERSION ) );

	}

	/* Find our component */

	numcmp = PAPI_num_components();

	for( cid=0; cid

	   if ( (cmpinfo = PAPI_get_component_info(cid)) == NULL) {

	      test_fail(__FILE__, __LINE__,

                           "PAPI_get_component_info failed\n", 0);

	   }

	   if (!quiet) {

	      printf("\tComponent %d - %d events - %s\n", cid,

		     cmpinfo->num_native_events,

		     cmpinfo->name);

	   }

	   if (strstr(cmpinfo->name,"example")) {

	      /* FOUND! */

	      example_cid=cid;

	   }

	}

	if (example_cid<0) {

	   test_skip(__FILE__, __LINE__,

		     "Example component not found\n", 0);

	}

	if (!quiet) {

	  printf("\nFound Example Component at id %d\n",example_cid);

	}

	/* Create an eventset for the Example component */

	retval = PAPI_create_eventset( &EventSet1 );

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "PAPI_create_eventset() failed\n", retval );

	}

	retval = PAPI_event_name_to_code("EXAMPLE_CONSTANT", &code);

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "EXAMPLE_ZERO not found\n",retval );

	}

	retval = PAPI_add_event( EventSet1, code);

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "PAPI_add_events failed\n", retval );

	}

	/* Create an eventset for the CPU component */

	retval = PAPI_create_eventset( &EventSet2 );

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "PAPI_create_eventset() failed\n", retval );

	}

	retval = PAPI_event_name_to_code("PAPI_TOT_CYC", &code);

	if ( retval != PAPI_OK ) {

	  test_skip( __FILE__, __LINE__,

		      "PAPI_TOT_CYC not available\n",retval );

	}

	retval = PAPI_add_event( EventSet2, code);

	if ( retval != PAPI_OK ) {

	   test_skip( __FILE__, __LINE__,

		      "NO CPU component found\n", retval );

	}

	if (!quiet) printf("\nStarting EXAMPLE_CONSTANT and PAPI_TOT_CYC at the same time\n");

	/* Start CPU component event */

	retval = PAPI_start( EventSet2 );

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "PAPI_start failed\n",retval );

	}

	/* Start example component */

	retval = PAPI_start( EventSet1 );

	if ( retval != PAPI_OK ) {

	   test_fail( __FILE__, __LINE__,

		      "PAPI_start failed\n",retval );

	}

	/* Stop example component */

	retval = PAPI_stop( EventSet1, values1 );

	if ( retval != PAPI_OK ) {

	   test_fail(  __FILE__, __LINE__, "PAPI_stop failed\n", retval);

	}

	/* Stop CPU component */

	retval = PAPI_stop( EventSet2, values2 );

	if ( retval != PAPI_OK ) {

	   test_fail(  __FILE__, __LINE__, "PAPI_stop failed\n", retval);

	}

	if (!quiet) printf("Stopping EXAMPLE_CONSTANT and PAPI_TOT_CYC\n\n");

	if (!quiet) printf("Results from EXAMPLE_CONSTANT: %lld\n",values1[0]);

	if (values1[0]!=42) {

	   test_fail(  __FILE__, __LINE__, "Result should be 42!\n", 0);

	}

	if (!quiet) printf("Results from PAPI_TOT_CYC: %lld\n\n",values2[0]);

	if (values2[0]<1) {

	   test_fail(  __FILE__, __LINE__, "Result should greater than 0\n", 0);

	}

	/* Cleanup EventSets */

	retval = PAPI_cleanup_eventset(EventSet1);

	if (retval != PAPI_OK) {

	   test_fail(  __FILE__, __LINE__, "PAPI_cleanup_eventset!\n", retval);

	}

	retval = PAPI_cleanup_eventset(EventSet2);

	if (retval != PAPI_OK) {

	   test_fail(  __FILE__, __LINE__, "PAPI_cleanup_eventset!\n", retval);

	}

	/* Destroy EventSets */

	retval = PAPI_destroy_eventset(&EventSet2);

	if (retval != PAPI_OK) {

	   test_fail(  __FILE__, __LINE__, "PAPI_destroy_eventset!\n", retval);

	}

	test_pass( __FILE__ );

	return 0;

}