derived.c

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/* This file performs the following test: start, stop with a derived event */

#include <stdio.h>
#include <stdlib.h>

#include "papi.h"
#include "papi_test.h"

#include "do_loops.h"

#define EVENTSLEN 2

unsigned int PAPI_events[EVENTSLEN] = { 0, 0 };
static const int PAPI_events_len = 1;

int
main( int argc, char **argv )
{
    int retval, tmp;
    int EventSet = PAPI_NULL;
    int i;
    PAPI_event_info_t info;
    long long values;
    char event_name[PAPI_MAX_STR_LEN], add_event_str[PAPI_MAX_STR_LEN];
    int quiet=0;

    /* Set TESTS_QUIET variable */
    quiet=tests_quiet( argc, argv );

    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 %s: start, stop with a derived counter.\n",
                 __FILE__ );
        printf( "------------------------------------------------\n" );
        tmp = PAPI_get_opt( PAPI_DEFDOM, NULL );
        printf( "Default domain is: %d (%s)\n", tmp,
                 stringify_all_domains( tmp ) );
        tmp = PAPI_get_opt( PAPI_DEFGRN, NULL );
        printf( "Default granularity is: %d (%s)\n\n", tmp,
                 stringify_granularity( tmp ) );
    }

    i = PAPI_PRESET_MASK;
    do {
        if ( PAPI_get_event_info( i, &info ) == PAPI_OK ) {
            if ( info.count > 1 ) {
                PAPI_events[0] = ( unsigned int ) info.event_code;
                break;
            }
        }
    } while ( PAPI_enum_event( &i, 0 ) == PAPI_OK );

    if ( PAPI_events[0] == 0 ) {
        test_skip(__FILE__, __LINE__, "No events found", 0);
    }

    retval = PAPI_create_eventset( &EventSet );
    if ( retval != PAPI_OK ) {
        test_fail(__FILE__, __LINE__,  "PAPI_create_eventset", retval );
    }

    for ( i = 0; i < PAPI_events_len; i++ ) {
        PAPI_event_code_to_name( ( int ) PAPI_events[i], event_name );
        if ( !quiet ) {
            printf( "Adding %s\n", event_name );
        }
        retval = PAPI_add_event( EventSet, ( int ) PAPI_events[i] );
        if ( retval != PAPI_OK ) {
            test_fail(__FILE__, __LINE__,  "PAPI_add_event", retval );
        }
    }

    retval = PAPI_start( EventSet );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_start", retval );
    }

    if (!quiet) printf( "Running do_stuff().\n" );

    do_stuff(  );

    retval = PAPI_stop( EventSet, &values );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
    }

    if (!quiet) {

        sprintf( add_event_str, "%-12s : \t", event_name );
        printf( TAB1, add_event_str, values );
        printf( "------------------------------------------------\n" );
    }

    retval = PAPI_cleanup_eventset( EventSet ); /* JT */
    if ( retval != PAPI_OK ) {
        test_fail(__FILE__,__LINE__, "PAPI_cleanup_eventset", retval );
    }

    retval = PAPI_destroy_eventset( &EventSet );
    if ( retval != PAPI_OK ) {
        test_fail(__FILE__,__LINE__, "PAPI_cleanup_eventset", retval );
    }

    if (!quiet) printf( "Verification: Does it produce a non-zero value?\n" );

    if ( values != 0 ) {
        if (!quiet) {
            printf( "Yes: " );
            printf( LLDFMT, values );
            printf( "\n" );
        }
    }
    else {
        test_fail(__FILE__,__LINE__, "Validation", 1 );
    }

    test_pass(__FILE__);

    return 0;
}