multiplex1.c File Reference

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Macros
#define	TOTAL_EVENTS   6

Functions
static void	init_papi (int *out_events, int *len)
int	case1 (void)
int	case2 (void)
int	case3 (void)
int	case4 (void)
int	case5 (void)
int	main (int argc, char **argv)

Variables
int	solaris_preset_PAPI_events [TOTAL_EVENTS]
int	power6_preset_PAPI_events [TOTAL_EVENTS]
int	preset_PAPI_events [TOTAL_EVENTS]
static int	PAPI_events [TOTAL_EVENTS] = { 0, }
static int	PAPI_events_len = 0

Macro Definition Documentation

TOTAL_EVENTS

#define TOTAL_EVENTS   6

Definition at line 23 of file multiplex1.c.

Function Documentation

case1()

int case1

(

void

)

Definition at line 102 of file multiplex1.c.

{
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

    PAPI_events_len = 2;
    init_papi( PAPI_events, &PAPI_events_len );

    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++ ) {
        char out[PAPI_MAX_STR_LEN];

        retval = PAPI_add_event( EventSet, PAPI_events[i] );
        if ( retval != PAPI_OK )
            test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
        PAPI_event_code_to_name( PAPI_events[i], out );
        if ( !TESTS_QUIET )
            printf( "Added %s\n", out );
    }

    do_stuff(  );

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        test_print_event_header( "case1:", EventSet );
        printf( TAB2, "case1:", values[0], values[1] );
    }
    retval = PAPI_cleanup_eventset( EventSet ); /* JT */
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_cleanup_eventset", retval );

    PAPI_shutdown(  );
    return ( SUCCESS );
}

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case2()

int case2

(

void

)

Definition at line 151 of file multiplex1.c.

{
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

    PAPI_events_len = 2;
    init_papi( PAPI_events, &PAPI_events_len );

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

    /* In Component PAPI, EventSets must be assigned a component index
       before you can fiddle with their internals.
       0 is always the cpu component */
    retval = PAPI_assign_eventset_component( EventSet, 0 );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_assign_eventset_component", retval );

    retval = PAPI_set_multiplex( EventSet );
        if ( retval == PAPI_ENOSUPP) {
       test_skip(__FILE__, __LINE__, "Multiplex not supported", 1);
    }
    else if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_set_multiplex", retval );

    for ( i = 0; i < PAPI_events_len; i++ ) {
        char out[PAPI_MAX_STR_LEN];

        retval = PAPI_add_event( EventSet, PAPI_events[i] );
        if ( retval != PAPI_OK )
            test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
        PAPI_event_code_to_name( PAPI_events[i], out );
        if ( !TESTS_QUIET )
            printf( "Added %s\n", out );
    }

    do_stuff(  );

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        test_print_event_header( "case2:", EventSet );
        printf( TAB2, "case2:", values[0], values[1] );
    }

    retval = PAPI_cleanup_eventset( EventSet );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_cleanup_eventset", retval );

    PAPI_shutdown(  );
    return ( SUCCESS );
}

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case3()

int case3

(

void

)

Definition at line 215 of file multiplex1.c.

{
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

    PAPI_events_len = 2;
    init_papi( PAPI_events, &PAPI_events_len );

    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++ ) {
        char out[PAPI_MAX_STR_LEN];

        retval = PAPI_add_event( EventSet, PAPI_events[i] );
        if ( retval != PAPI_OK )
            test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
        PAPI_event_code_to_name( PAPI_events[i], out );
        if ( !TESTS_QUIET )
            printf( "Added %s\n", out );
    }

    retval = PAPI_set_multiplex( EventSet );
        if ( retval == PAPI_ENOSUPP) {
       test_skip(__FILE__, __LINE__, "Multiplex not supported", 1);
    } else if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_set_multiplex", retval );

    do_stuff(  );

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        test_print_event_header( "case3:", EventSet );
        printf( TAB2, "case3:", values[0], values[1] );
    }

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

    PAPI_shutdown(  );
    return ( SUCCESS );
}

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case4()

int case4

(

void

)

Definition at line 274 of file multiplex1.c.

{
    int retval, i, EventSet = PAPI_NULL;
    long long values[4];
    char out[PAPI_MAX_STR_LEN];

    PAPI_events_len = 2;
    init_papi( PAPI_events, &PAPI_events_len );

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

    i = 0;
    retval = PAPI_add_event( EventSet, PAPI_events[i] );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
    PAPI_event_code_to_name( PAPI_events[i], out );
    if (!TESTS_QUIET) printf( "Added %s\n", out );

    retval = PAPI_set_multiplex( EventSet );
        if ( retval == PAPI_ENOSUPP) {
       test_skip(__FILE__, __LINE__, "Multiplex not supported", 1);
    }
    else if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_set_multiplex", retval );

    i = 1;
    retval = PAPI_add_event( EventSet, PAPI_events[i] );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
    PAPI_event_code_to_name( PAPI_events[i], out );
    if (!TESTS_QUIET) printf( "Added %s\n", out );

    do_stuff(  );

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        test_print_event_header( "case4:", EventSet );
        printf( TAB2, "case4:", values[0], values[1] );
    }

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

    PAPI_shutdown(  );
    return ( SUCCESS );
}

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case5()

int case5

(

void

)

Definition at line 336 of file multiplex1.c.

{
  int retval, i, j, EventSet = PAPI_NULL;
    long long start_values[4] = { 0,0,0,0 }, values[4] = {0,0,0,0};
    char out[PAPI_MAX_STR_LEN];

    PAPI_events_len = 2;
    init_papi( PAPI_events, &PAPI_events_len );

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

    /* In Component PAPI, EventSets must be assigned a component index
       before you can fiddle with their internals.
       0 is always the cpu component */

    retval = PAPI_assign_eventset_component( EventSet, 0 );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_assign_eventset_component", retval );

    retval = PAPI_set_multiplex( EventSet );
        if ( retval == PAPI_ENOSUPP) {
       test_skip(__FILE__, __LINE__, "Multiplex not supported", 1);
    }
    else if ( retval != PAPI_OK ) {
        test_fail(__FILE__,__LINE__, "PAPI_set_multiplex", retval );
    }

    /* Add 2 events... */

    i = 0;
    retval = PAPI_add_event( EventSet, PAPI_events[i] );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
    PAPI_event_code_to_name( PAPI_events[i], out );
    if (!TESTS_QUIET) printf( "Added %s\n", out );
    i++;
    retval = PAPI_add_event( EventSet, PAPI_events[i] );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_add_event", retval );
    PAPI_event_code_to_name( PAPI_events[i], out );
    if (!TESTS_QUIET) printf( "Added %s\n", out );
    i++;

    do_stuff(  );

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

    retval = PAPI_read( EventSet, start_values );
    if ( retval != PAPI_OK )
        test_fail(__FILE__,__LINE__, "PAPI_read", retval );

    do_stuff(  );

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

    for (j=0;j<i;j++) {
        if (!TESTS_QUIET) {
            printf("read @start counter[%d]: %lld\n",
                j, start_values[j]);
            printf("read @stop  counter[%d]: %lld\n",
                j, values[j]);
            printf("difference  counter[%d]: %lld\n ",
                j, values[j]-start_values[j]);
        }
        if (values[j]-start_values[j] < 0LL) {
            test_fail(__FILE__,__LINE__, "Difference in start and stop resulted in negative value!", 0 );
        }
      }

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

    PAPI_shutdown(  );
    return ( SUCCESS );
}

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init_papi()

static void init_papi ( int *  out_events, int *  len  )

static

Definition at line 39 of file multiplex1.c.

{
    int retval;
    int i, real_len = 0;
    int *in_events = preset_PAPI_events;
    const PAPI_hw_info_t *hw_info;

    /* Initialize the library */
    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT ) {
        test_fail(__FILE__,__LINE__, "PAPI_library_init", retval );
    }

    hw_info = PAPI_get_hardware_info(  );
    if ( hw_info == NULL ) {
        test_fail( __FILE__, __LINE__, "PAPI_get_hardware_info", 2 );
    }

    if ( strstr( hw_info->model_string, "UltraSPARC" ) ) {
        in_events = solaris_preset_PAPI_events;
    }

    if ( strcmp( hw_info->model_string, "POWER6" ) == 0 ) {
        in_events = power6_preset_PAPI_events;
        retval = PAPI_set_domain( PAPI_DOM_ALL );
        if ( retval != PAPI_OK )
            test_fail(__FILE__,__LINE__, "PAPI_set_domain", retval );
    }

    retval = PAPI_multiplex_init(  );
    if ( retval == PAPI_ENOSUPP) {
        test_skip(__FILE__, __LINE__, "Multiplex not supported", 1);
    }
    else if ( retval != PAPI_OK ) {
        test_fail(__FILE__,__LINE__, "PAPI_multiplex_init", retval );
    }

    for ( i = 0; in_events[i] != 0; i++ ) {
        char out[PAPI_MAX_STR_LEN];
        /* query and set up the right instruction to monitor */
        retval = PAPI_query_event( in_events[i] );
        if ( retval == PAPI_OK ) {
            out_events[real_len++] = in_events[i];
            PAPI_event_code_to_name( in_events[i], out );
            if ( real_len == *len )
                break;
        } else {
            PAPI_event_code_to_name( in_events[i], out );
            if ( !TESTS_QUIET )
                printf( "%s does not exist\n", out );
        }
    }

    if ( real_len < 1 ) {
        if (!TESTS_QUIET) printf("Trouble adding events\n");
        test_skip(__FILE__,__LINE__, "No counters available", 0 );
    }
    *len = real_len;
}

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main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 420 of file multiplex1.c.

{

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

    if (!TESTS_QUIET) {
        printf( "case1: Does PAPI_multiplex_init() not break regular operation?\n" );
    }
    case1(  );

    if (!TESTS_QUIET) {
        printf( "\ncase2: Does setmpx/add work?\n" );
    }
    case2(  );

    if (!TESTS_QUIET) {
        printf( "\ncase3: Does add/setmpx work?\n" );
    }
    case3(  );

    if (!TESTS_QUIET) {
        printf( "\ncase4: Does add/setmpx/add work?\n" );
    }
    case4(  );

    if (!TESTS_QUIET) {
        printf( "\ncase5: Does setmpx/add/add/start/read work?\n" );
    }
    case5(  );

    test_pass( __FILE__ );

    return 0;
}

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Variable Documentation

PAPI_events

int PAPI_events[TOTAL_EVENTS] = { 0, }

static

Definition at line 35 of file multiplex1.c.

PAPI_events_len

int PAPI_events_len = 0

static

Definition at line 36 of file multiplex1.c.

power6_preset_PAPI_events

int power6_preset_PAPI_events[TOTAL_EVENTS]

Initial value:

= {
    PAPI_TOT_CYC, PAPI_FP_INS, PAPI_L1_DCM, PAPI_L1_ICM, 0
}

Definition at line 28 of file multiplex1.c.

preset_PAPI_events

int preset_PAPI_events[TOTAL_EVENTS]

Initial value:

= {
  PAPI_TOT_CYC, PAPI_FP_INS, PAPI_TOT_INS, PAPI_L1_DCM, PAPI_L1_ICM, 0
}

Definition at line 31 of file multiplex1.c.

solaris_preset_PAPI_events

int solaris_preset_PAPI_events[TOTAL_EVENTS]

Initial value:

= {
  PAPI_TOT_CYC, PAPI_BR_MSP, PAPI_L2_TCM, PAPI_L1_ICM, 0
}

Definition at line 25 of file multiplex1.c.