omptough.c File Reference

Include dependency graph for omptough.c:

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Defines
#define	NITER   (100000)
Functions
int	main (int argc, char *argv[])

---

Define Documentation

#define NITER   (100000)

Definition at line 9 of file omptough.c.

---

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 12 of file omptough.c.

{
    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__, NULL, 0 );
    exit( 1 );
}

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