papi_get_overflow_event_index(3) [centos man page]

PAPI_get_overflow_event_index(3)				       PAPI					  PAPI_get_overflow_event_index(3)

NAME

       PAPI_get_overflow_event_index -

       converts an overflow vector into an array of indexes to overflowing events

SYNOPSIS

Detailed Description
       @param EventSet
	   an integer handle to a PAPI event set as created by PAPI_create_eventset
       @param overflow_vector
	   a vector with bits set for each counter that overflowed.
	   This vector is passed by the system to the overflow handler routine.
       @param *array
	   an array of indexes for events in EventSet.
	   No more than *number indexes will be stored into the array.
       @param *number
	   On input the variable determines the size of the array.
	   On output the variable contains the number of indexes in the array.

       @retval PAPI_EINVAL
	   One or more of the arguments is invalid. This could occur if the overflow_vector is empty (zero), if the array or number pointers are NULL, if the value of number is less than one, or if the EventSet is empty.
       @retval PAPI_ENOEVST
       The EventSet specified does not exist.
       @par Examples

	       void handler(int EventSet, void *address, long_long overflow_vector, void *context){
	       int Events[4], number, i;
	       int total = 0, retval;
	       printf("Overflow #%d Handler(%d) Overflow at %p! vector=0x%llx0,
	       total, EventSet, address, overflow_vector);
	       total++;
	       number = 4;
	       retval = PAPI_get_overflow_event_index(EventSet,
	       overflow_vector, Events, &number);
	       if(retval == PAPI_OK)
	       for(i=0; i<number; i++) printf("Event index[%d] = %d", i, Events[i]);}
       *

       @see PAPI_overflow

Author
       Generated automatically by Doxygen for PAPI from the source code.

Version 5.2.0.0 						  Tue Jun 17 2014				  PAPI_get_overflow_event_index(3)

PAPI_attach(3)							       PAPI							    PAPI_attach(3)

NAME

       PAPI_attach -

       Attach PAPI event set to the specified thread id.

SYNOPSIS

Detailed Description
       @par C Interface:
       int PAPI_attach( int EventSet, unsigned long tid );

       PAPI_attach is a wrapper function that calls PAPI_set_opt to allow PAPI to
       monitor performance counts on a thread other than the one currently executing.
       This is sometimes referred to as third party monitoring.
       PAPI_attach connects the specified EventSet to the specifed thread;
       PAPI_detach breaks that connection and restores the EventSet to the
       original executing thread.

       @param EventSet
	   An integer handle for a PAPI EventSet as created by PAPI_create_eventset.
       @param tid
	   A thread id as obtained from, for example, PAPI_list_threads or PAPI_thread_id.

       @retval PAPI_ECMP
	   This feature is unsupported on this component.
       @retval PAPI_EINVAL
	   One or more of the arguments is invalid.
       @retval PAPI_ENOEVST
	   The event set specified does not exist.
       @retval PAPI_EISRUN
	   The event set is currently counting events.

       @par Examples:

       *   int EventSet = PAPI_NULL;
       *   unsigned long pid;
       *   pid = fork( );
       *   if ( pid <= 0 )
       *   exit( 1 );
       *   if ( PAPI_create_eventset( &EventSet ) != PAPI_OK )
       *   exit( 1 );
       *   // Add Total Instructions Executed to our EventSet
       *   if ( PAPI_add_event( EventSet, PAPI_TOT_INS ) != PAPI_OK )
       *   exit( 1 );
       *   // Attach this EventSet to the forked process
       *   if ( PAPI_attach( EventSet, pid ) != PAPI_OK )
       *   exit( 1 );
       *

       See Also:
	   PAPI_set_opt

	   PAPI_list_threads

	   PAPI_thread_id

	   PAPI_thread_init

Author
       Generated automatically by Doxygen for PAPI from the source code.

Version 5.2.0.0 						  Tue Jun 17 2014						    PAPI_attach(3)