profile_twoevents.c

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

/* This file performs the following test: profiling two events */

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

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

#include "do_loops.h"

int
main( int argc, char **argv )
{
    int i, num_tests = 6;
    unsigned long length, blength;
    int num_buckets, mask;
    char title[80];
    int retval;
    const PAPI_exe_info_t *prginfo;
    caddr_t start, end;
    int quiet;

    /* 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 ( ( prginfo = PAPI_get_executable_info(  ) ) == NULL ) {
        test_fail( __FILE__, __LINE__, "PAPI_get_executable_info", 1 );
    }

    mask = prof_events( num_tests );
    start = prginfo->address_info.text_start;
    end = prginfo->address_info.text_end;

    /* Must have at least FP instr or Tot ins */

    if ( ( ( mask & MASK_FP_INS ) == 0 ) && ( ( mask & MASK_TOT_INS ) == 0 ) ) {
        if (!quiet) printf("No events could be added\n");
        test_skip( __FILE__, __LINE__, "No FP or Total Ins. event", 1 );
    }

    if ( start > end )
        test_fail( __FILE__, __LINE__, "Profile length < 0!", 0 );
    length = ( unsigned long ) ( end - start );

    if (!quiet) {
        prof_print_address( "Test case profile: POSIX compatible profiling with two events.\n",
                    prginfo );
        prof_print_prof_info( start, end, THRESHOLD, event_name );
    }

    prof_alloc( 2, length );

    blength =
        prof_size( length, FULL_SCALE, PAPI_PROFIL_BUCKET_16, &num_buckets );
    do_no_profile( quiet );

    if ( !quiet ) {
        printf( "Test type   : \tPAPI_PROFIL_POSIX\n" );
    }
    if ( ( retval =
           PAPI_profil( profbuf[0], ( unsigned int ) blength, start, FULL_SCALE,
                        EventSet, PAPI_event, THRESHOLD,
                        PAPI_PROFIL_POSIX ) ) != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_profil", retval );
    }
    if ( ( retval =
           PAPI_profil( profbuf[1], ( unsigned int ) blength, start, FULL_SCALE,
                        EventSet, PAPI_TOT_CYC, THRESHOLD,
                        PAPI_PROFIL_POSIX ) ) != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_profil", 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[1] ) ) != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_stop", retval );

    if ( !quiet ) {
        printf( TAB1, event_name, ( values[1] )[0] );
        printf( TAB1, "PAPI_TOT_CYC:", ( values[1] )[1] );
    }
    if ( ( retval =
           PAPI_profil( profbuf[0], ( unsigned int ) blength, start, FULL_SCALE,
                        EventSet, PAPI_event, 0,
                        PAPI_PROFIL_POSIX ) ) != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_profil", retval );

    if ( ( retval =
           PAPI_profil( profbuf[1], ( unsigned int ) blength, start, FULL_SCALE,
                        EventSet, PAPI_TOT_CYC, 0,
                        PAPI_PROFIL_POSIX ) ) != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_profil", retval );

    sprintf( title, "   \t\t    %s\tPAPI_TOT_CYC\naddress\t\t\tcounts\tcounts\n",
             event_name );

    if (!quiet) {
        prof_head( blength, PAPI_PROFIL_BUCKET_16, num_buckets, title );
        prof_out( start, 2, PAPI_PROFIL_BUCKET_16, num_buckets, FULL_SCALE );
    }

    remove_test_events( &EventSet, mask );

    retval = prof_check( 2, PAPI_PROFIL_BUCKET_16, num_buckets );

    for ( i = 0; i < 2; i++ ) {
        free( profbuf[i] );
    }

    if ( retval == 0 ) {
        test_fail( __FILE__, __LINE__, "No information in buffers", 1 );
    }

    test_pass( __FILE__ );

    return 0;
}