multiplex1_pthreads.c

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/*
* File:    multiplex1_pthreads.c
* Author:  Philip Mucci
*          mucci@cs.utk.edu
*/

/* This file tests the multiplex pthread functionality */

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

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

#include "do_loops.h"

#define TOTAL_EVENTS 10

static int solaris_preset_PAPI_events[TOTAL_EVENTS] = {
  PAPI_BR_MSP, PAPI_TOT_CYC, PAPI_L2_TCM, PAPI_L1_ICM, 0
};

static int power6_preset_PAPI_events[TOTAL_EVENTS] = {
    PAPI_FP_INS, PAPI_TOT_CYC, PAPI_L1_DCM, PAPI_L1_ICM, 0
};

static int preset_PAPI_events[TOTAL_EVENTS] = {
    PAPI_FP_INS, PAPI_TOT_INS, PAPI_L1_DCM, PAPI_L1_ICM, 0
};

static int PAPI_events[TOTAL_EVENTS] = { 0, };
static int PAPI_events_len = 0;

static void
init_papi_pthreads( int *out_events, int *len )
{
    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 );
    }

    retval = PAPI_thread_init( ( unsigned long ( * )( void ) ) ( pthread_self ) );
    if (retval != PAPI_OK ) {
        if ( retval == PAPI_ECMP )
            test_skip( __FILE__, __LINE__, "PAPI_thread_init", retval );
        else
            test_fail( __FILE__, __LINE__, "PAPI_thread_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("No counters available\n");
        test_skip(__FILE__, __LINE__, "No counters available", 0 );
    }
    *len = real_len;
}

static int
do_pthreads( void *( *fn ) ( void * ) )
{
    int i, rc, retval;
    pthread_attr_t attr;
    pthread_t id[NUM_THREADS];

    pthread_attr_init( &attr );
#ifdef PTHREAD_CREATE_UNDETACHED
    pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_UNDETACHED );
#endif
#ifdef PTHREAD_SCOPE_SYSTEM
    retval = pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM );
    if ( retval != 0 )
        test_skip( __FILE__, __LINE__, "pthread_attr_setscope", retval );
#endif

    for ( i = 0; i < NUM_THREADS; i++ ) {
        rc = pthread_create( &id[i], &attr, fn, NULL );
        if ( rc )
            return ( FAILURE );
    }
    for ( i = 0; i < NUM_THREADS; i++ )
        pthread_join( id[i], NULL );

    pthread_attr_destroy( &attr );

    return ( SUCCESS );
}

/* Tests that PAPI_multiplex_init does not mess with normal operation. */

static void *
case1_pthreads( void *arg )
{
    ( void ) arg;            /*unused */
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

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

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        printf( "case1 thread %4x:", ( unsigned ) pthread_self(  ) );
        test_print_event_header( "", EventSet );
        printf( "case1 thread %4x:", ( unsigned ) pthread_self(  ) );
        printf( TAB2, "", values[0], values[1] );
    }

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

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

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

    return ( ( void * ) SUCCESS );
}

/* Tests that PAPI_set_multiplex() works before adding events */

static void *
case2_pthreads( void *arg )
{
    ( void ) arg;            /*unused */
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

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

    if ( ( retval = PAPI_create_eventset( &EventSet ) ) != 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 );
    }

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

    if (!TESTS_QUIET) {
        printf( "++case2 thread %4x:", ( unsigned ) pthread_self(  ) );
    }

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        printf( "case2 thread %4x:", ( unsigned ) pthread_self(  ) );
        test_print_event_header( "", EventSet );
        printf( "case2 thread %4x:", ( unsigned ) pthread_self(  ) );
        printf( TAB2, "", values[0], values[1] );
    }

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

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

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

    return ( ( void * ) SUCCESS );
}

/* Tests that PAPI_set_multiplex() works after adding events */

static void *
case3_pthreads( void *arg )
{
    ( void ) arg;            /*unused */
    int retval, i, EventSet = PAPI_NULL;
    long long values[2];

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

    if ( ( retval = PAPI_create_eventset( &EventSet ) ) != 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 );
    }

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

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        printf( "case3 thread %4x:", ( unsigned ) pthread_self(  ) );
        test_print_event_header( "", EventSet );
        printf( "case3 thread %4x:", ( unsigned ) pthread_self(  ) );
        printf( TAB2, "", values[0], values[1] );
    }

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

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

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

    return ( ( void * ) SUCCESS );
}

/* Tests that PAPI_set_multiplex() works before/after adding events */

static void *
case4_pthreads( void *arg )
{
    ( void ) arg;            /*unused */
    int retval, i, EventSet = PAPI_NULL;
    long long values[4];
    char out[PAPI_MAX_STR_LEN];

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

    if ( ( retval = PAPI_create_eventset( &EventSet ) ) != 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 );

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

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

    do_stuff(  );

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

    if ( !TESTS_QUIET ) {
        printf( "case4 thread %4x:", ( unsigned ) pthread_self(  ) );
        test_print_event_header( "", EventSet );
        printf( "case4 thread %4x:", ( unsigned ) pthread_self(  ) );
        printf( TAB2, "", values[0], values[1] );
    }

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

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

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

    return ( ( void * ) SUCCESS );
}

static int
case1( void )
{
    int retval;

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

    retval = do_pthreads( case1_pthreads );

    PAPI_shutdown(  );

    return retval;
}

static int
case2( void )
{
    int retval;

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

    retval = do_pthreads( case2_pthreads );

    PAPI_shutdown(  );

    return retval;
}

static int
case3( void )
{
    int retval;

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

    retval = do_pthreads( case3_pthreads );

    PAPI_shutdown(  );

    return retval;
}

static int
case4( void )
{
    int retval;

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

    retval = do_pthreads( case4_pthreads );

    PAPI_shutdown(  );

    return retval;
}

int
main( int argc, char **argv )
{
    int retval;
    int quiet;

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

    if (!quiet) {
        printf( "%s: Using %d threads\n\n", argv[0], NUM_THREADS );
    }

    /* Case1 */
    if (!quiet) {
        printf ( "case1: Does PAPI_multiplex_init() "
            "not break regular operation?\n" );
    }

    if ( case1() != SUCCESS ) {
        test_fail( __FILE__, __LINE__, "case1", PAPI_ESYS );
    }

    /* Case2 */
    if (!quiet) {
        printf( "case2: Does setmpx/add work?\n" );
    }
    if ( case2(  ) != SUCCESS ) {
        test_fail( __FILE__, __LINE__, "case2", PAPI_ESYS );
    }

    /* Case3 */
    if (!quiet) {
        printf( "case3: Does add/setmpx work?\n" );
    }
    if ( case3(  ) != SUCCESS ) {
        test_fail( __FILE__, __LINE__, "case3", PAPI_ESYS );
    }

    /* Case4 */
    if (!quiet) {
        printf( "case4: Does add/setmpx/add work?\n" );
    }
    if ( case4(  ) != SUCCESS ) {
        test_fail( __FILE__, __LINE__, "case4", PAPI_ESYS );
    }

    /* Finally init PAPI? */
    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT ) {
        test_fail(__FILE__, __LINE__, "PAPI_library_init", retval );
    }

    test_pass( __FILE__ );

    return 0;

}