all_events.c

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/* This file tries to add,start,stop, and remove all pre-defined events.
 * It is meant not to test the accuracy of the mapping but to make sure
 * that all events in the component will at least start (Helps to
 * catch typos).
 *
 * Author: Kevin London
 *         london@cs.utk.edu
 */
 
#include <stdio.h>
#include <stdlib.h>
 
#include "papi.h"
#include "papi_test.h"
 
int
main( int argc, char **argv )
{
    int retval, i;
    int EventSet = PAPI_NULL, count = 0, err_count = 0;
    long long values;
    PAPI_event_info_t info;
    int quiet=0;
    char error_message[BUFSIZ];
 
    /* Set TESTS_QUIET variable */
    quiet=tests_quiet( argc, argv );
 
    if (!quiet) {
        printf("\nTrying all pre-defined events:\n");
    }
 
    /* Initialize PAPI */
    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT ) {
        test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
    }
 
    /* Create an EventSet */
    retval = PAPI_create_eventset( &EventSet );
    if ( retval != PAPI_OK ) {
        test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
    }
 
    /* Add all preset events */
    for ( i = 0; i < PAPI_MAX_PRESET_EVENTS; i++ ) {
 
        if ( PAPI_get_event_info( PAPI_PRESET_MASK | i, &info ) != PAPI_OK )
            continue;
 
        if ( !( info.count ) )
            continue;
 
        if (!quiet) printf( "Adding %-14s", info.symbol );
 
        retval = PAPI_add_event( EventSet, ( int ) info.event_code );
        if ( retval != PAPI_OK ) {
            if (!quiet) {
                printf("Error adding event %s\n",info.symbol);
                if (retval==PAPI_ECNFLCT) {
                    printf("Probably NMI watchdog related\n");
                }
            }
            if (retval==PAPI_ECNFLCT) {
                sprintf(error_message,"Problem adding %s (probably NMI Watchdog related)",info.symbol);
            }
            else {
                sprintf(error_message,"Problem adding %s",info.symbol);
            }
            test_warn( __FILE__, __LINE__, error_message, retval );
            err_count++;
        } else {
            retval = PAPI_start( EventSet );
            if ( retval != PAPI_OK ) {
                PAPI_perror( "PAPI_start" );
                err_count++;
            } else {
                retval = PAPI_stop( EventSet, &values );
                if ( retval != PAPI_OK ) {
                    PAPI_perror( "PAPI_stop" );
                    err_count++;
                } else {
                    if (!quiet) printf( "successful\n" );
                    count++;
                }
            }
            retval = PAPI_remove_event( EventSet, ( int ) info.event_code );
            if ( retval != PAPI_OK )
                test_fail( __FILE__, __LINE__, "PAPI_remove_event", retval );
        }
    }
    retval = PAPI_destroy_eventset( &EventSet );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_destroy_eventset", retval );
 
    if (!quiet) {
        printf( "Successfully added, started and stopped %d events.\n", count );
    }
 
    if ( err_count ) {
        if (!quiet) printf( "Failed to add, start or stop %d events.\n", err_count );
    }
 
    if (count<=0) {
        test_fail( __FILE__, __LINE__, "No events added", 1 );
    }
 
    test_pass( __FILE__ );
 
    return 0;
 
}