linux-bgq-common.c

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/****************************/
/* THIS IS OPEN SOURCE CODE */
/****************************/

#include "papi.h"
#include "linux-bgq-common.h"

/*******************************************************************************
 ********  BEGIN FUNCTIONS USED INTERNALLY SPECIFIC TO THIS COMPONENT **********
 ******************************************************************************/

void _check_BGPM_error( int err, char* bgpmfunc )
{
    if ( err < 0 ) {
#ifdef DEBUG_BGPM
        printf ( "Error: ret value is %d for BGPM API function '%s'.\n",
                 err, bgpmfunc);
#endif
    }
}


/*
 * Returns all event values from the BGPM eventGroup 
 */
long_long
_common_getEventValue( unsigned event_id, int EventGroup )
{   
    uint64_t value;
    int retval;
    
    retval = Bgpm_ReadEvent( EventGroup, event_id, &value );
    CHECK_BGPM_ERROR( retval, "Bgpm_ReadEvent" );
    
    return ( ( long_long ) value ); 
}


/*
 * Delete BGPM eventGroup and create an new empty one
 */
void
_common_deleteRecreate( int *EventGroup_ptr )
{
#ifdef DEBUG_BGQ
    printf( _AT_ " _common_deleteRecreate: *EventGroup_ptr=%d\n", *EventGroup_ptr);
#endif
    int retval;
    
    // delete previous bgpm eventset
    retval = Bgpm_DeleteEventSet( *EventGroup_ptr );
    CHECK_BGPM_ERROR( retval, "Bgpm_DeleteEventSet" );
    
    // create a new empty bgpm eventset
    *EventGroup_ptr = Bgpm_CreateEventSet();
    CHECK_BGPM_ERROR( *EventGroup_ptr, "Bgpm_CreateEventSet" );

#ifdef DEBUG_BGQ
    printf( _AT_ " _common_deleteRecreate: *EventGroup_ptr=%d\n", *EventGroup_ptr);
#endif  
}


/*
 * Rebuild BGPM eventGroup with the events as it was prior to deletion 
 */
void
_common_rebuildEventgroup( int count, int *EventGroup_local, int *EventGroup_ptr )
{
#ifdef DEBUG_BGQ
    printf( "_common_rebuildEventgroup\n" );
#endif  
    int i, retval;
    
    // rebuild BGPM EventGroup
    for ( i = 0; i < count; i++ ) {
        retval = Bgpm_AddEvent( *EventGroup_ptr, EventGroup_local[i] );
        CHECK_BGPM_ERROR( retval, "Bgpm_AddEvent" );
    
#ifdef DEBUG_BGQ
        printf( "_common_rebuildEventgroup: After emptying EventGroup, event re-added: %d\n",
                EventGroup_local[i] );
#endif
    }
}