omptough.c

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#include <pthread.h>
#include <stdlib.h>
#include <malloc.h>
#include <unistd.h>
#include <stdio.h>
#include <omp.h>

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

#define NITER (100000)

int
main( int argc, char *argv[] )
{
    int i;
    int ret;
    int nthreads;
    int *evtset;
    int *ctrcode;

    nthreads = omp_get_max_threads(  );
    evtset = ( int * ) malloc( sizeof ( int ) * nthreads );
    ctrcode = ( int * ) malloc( sizeof ( int ) * nthreads );

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

    ret = PAPI_library_init( PAPI_VER_CURRENT );
    if ( ret != PAPI_VER_CURRENT && ret > 0 ) {
        fprintf( stderr, "PAPI library version mismatch '%s'\n",
                 PAPI_strerror( ret ) );
        exit( 1 );
    }

    if ( ret < 0 ) {
        fprintf( stderr, "PAPI initialization error '%s'\n",
                 PAPI_strerror( ret ) );
        exit( 1 );
    }

    if ( ( ret =
           PAPI_thread_init( ( unsigned long ( * )( void ) ) pthread_self ) ) !=
         PAPI_OK ) {
        fprintf( stderr, "PAPI thread initialization error '%s'\n",
                 PAPI_strerror( ret ) );
        exit( 1 );
    }

    for ( i = 0; i < nthreads; i++ ) {
        evtset[i] = PAPI_NULL;

        if ( ( ret = PAPI_event_name_to_code( "PAPI_TOT_INS", &ctrcode[i] ) )
             != PAPI_OK ) {
            fprintf( stderr, "PAPI evt-name-to-code error '%s'\n",
                     PAPI_strerror( ret ) );
        }

    }

    for ( i = 0; i < NITER; i++ ) {
#pragma omp parallel
        {
            int tid;
            int pid;
            tid = omp_get_thread_num(  );

            pid = pthread_self(  );

            if ( ( ret = PAPI_register_thread(  ) ) != PAPI_OK ) {
                if ( !TESTS_QUIET ) {
                    fprintf( stderr,
                             "[%5d] Error in register thread (tid=%d pid=%d) '%s'\n",
                             i, tid, pid, PAPI_strerror( ret ) );
                    test_fail( __FILE__, __LINE__, "omptough", 1 );
                }
            }

            evtset[tid] = PAPI_NULL;
            if ( ( ret = PAPI_create_eventset( &( evtset[tid] ) ) ) != PAPI_OK ) {
                if ( !TESTS_QUIET ) {
                    fprintf( stderr,
                             "[%5d] Error creating eventset (tid=%d pid=%d) '%s'\n",
                             i, tid, pid, PAPI_strerror( ret ) );
                    test_fail( __FILE__, __LINE__, "omptough", 1 );
                }
            }


            if ( ( ret =
                   PAPI_destroy_eventset( &( evtset[tid] ) ) ) != PAPI_OK ) {
                if ( !TESTS_QUIET ) {
                    fprintf( stderr,
                             "[%5d] Error destroying eventset (tid=%d pid=%d) '%s'\n",
                             i, tid, pid, PAPI_strerror( ret ) );
                    evtset[tid] = PAPI_NULL;
                    test_fail( __FILE__, __LINE__, "omptough", 1 );
                }
            }

            if ( ( ret = PAPI_unregister_thread(  ) ) != PAPI_OK ) {
                if ( !TESTS_QUIET ) {
                    fprintf( stderr,
                             "[%5d] Error in unregister thread (tid=%d pid=%d) ret='%s'\n",
                             i, tid, pid, PAPI_strerror( ret ) );
                    test_fail( __FILE__, __LINE__, "omptough", 1 );
                }
            }
        }
    }
    test_pass( __FILE__ );

    return 0;
}