component.c

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#include "papi_test.h"

#define EVT_LINE 80

typedef struct command_flags
{
    int help;
    int details;
    int named;
    char *name;
} command_flags_t;

static void
print_help( char **argv )
{
    printf( "This is the PAPI component avail program.\n" );
    printf( "It provides availability of installed PAPI components.\n" );
    printf( "Usage: %s [options]\n", argv[0] );
    printf( "Options:\n\n" );
    printf( "  --help, -h    print this help message\n" );
    printf( "  -d            print detailed information on each component\n" );
}

static void
parse_args( int argc, char **argv, command_flags_t * f )
{
    int i;

    /* Look for all currently defined commands */
    memset( f, 0, sizeof ( command_flags_t ) );
    for ( i = 1; i < argc; i++ ) {
        if ( !strcmp( argv[i], "-d" ) ) {
            f->details = 1;
        } else if ( strstr( argv[i], "-h" ) )
            f->help = 1;
        else
            printf( "%s is not supported\n", argv[i] );
    }

    /* if help requested, print and bail */
    if ( f->help ) {
        print_help( argv );
        exit( 1 );
    }

}

int
main( int argc, char **argv )
{
    int retval;
    const PAPI_hw_info_t *hwinfo = NULL;
    const PAPI_component_info_t* cmpinfo;
    command_flags_t flags;
    int numcmp, cid;

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

    /* Initialize before parsing the input arguments */
    retval = PAPI_library_init( PAPI_VER_CURRENT );
    if ( retval != PAPI_VER_CURRENT )
        test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );

    parse_args( argc, argv, &flags );

    if ( !TESTS_QUIET ) {
        retval = PAPI_set_debug( PAPI_VERB_ECONT );
        if ( retval != PAPI_OK )
            test_fail( __FILE__, __LINE__, "PAPI_set_debug", retval );
    }

    retval =
        papi_print_header
        ( "Available components and hardware information.\n", &hwinfo );
    if ( retval != PAPI_OK )
        test_fail( __FILE__, __LINE__, "PAPI_get_hardware_info", 2 );


    /* Compiled-in Components */
    numcmp = PAPI_num_components(  );

    printf("Compiled-in components:\n");
    for ( cid = 0; cid < numcmp; cid++ ) {
      cmpinfo = PAPI_get_component_info( cid );

      printf( "Name:   %-23s %s\n", cmpinfo->name ,cmpinfo->description);

      if (cmpinfo->disabled) {
        printf("   \\-> Disabled: %s\n",cmpinfo->disabled_reason);
      }

      if ( flags.details ) {
        printf( "Version:\t\t\t%s\n", cmpinfo->version );
        printf( "Number of native events:\t%d\n", cmpinfo->num_native_events);
        printf( "Number of preset events:\t%d\n", cmpinfo->num_preset_events); 
        printf("\n");
      }
    }

    printf("\nActive components:\n");
    numcmp = PAPI_num_components(  );

    for ( cid = 0; cid < numcmp; cid++ ) {
      cmpinfo = PAPI_get_component_info( cid );
      if (cmpinfo->disabled) continue;

      printf( "Name:   %-23s %s\n", cmpinfo->name ,cmpinfo->description);
      printf( "        %-23s Native: %d, Preset: %d, Counters: %d\n\n", 
          " ", cmpinfo->num_native_events, cmpinfo->num_preset_events,
          cmpinfo->num_cntrs);

      if ( flags.details ) {
        printf( "Version:\t\t\t%s\n", cmpinfo->version );
        printf( "Number of native events:\t%d\n", cmpinfo->num_native_events);
        printf( "Number of preset events:\t%d\n", cmpinfo->num_preset_events); 
        printf("\n");
      }
    }


    printf
      ( "\n--------------------------------------------------------------------------------\n" );
    test_pass( __FILE__, NULL, 0 );
    exit( 0 );
}