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papi_attach(3) [centos man page]

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)

Check Out this Related Man Page

PAPI_assign_eventset_component(3)				       PAPI					 PAPI_assign_eventset_component(3)

NAME

       PAPI_assign_eventset_component -

       Assign a component index to an existing but empty EventSet.

SYNOPSIS

Detailed Description
       @par C Interface:
       PAPI_assign_eventset_component( int  EventSet, int  cidx );

       @param EventSet
	   An integer identifier for an existing EventSet.
       @param cidx
	   An integer identifier for a component.
	   By convention, component 0 is always the cpu component.

       @retval PAPI_ENOCMP
	   The argument cidx is not a valid component.
       @retval PAPI_ENOEVST
	   The EventSet doesn't exist.
       @retval PAPI_ENOMEM
	   Insufficient memory to complete the operation.

       PAPI_assign_eventset_component assigns a specific component index,
       as specified by cidx, to a new EventSet identified by EventSet, as obtained
       from PAPI_create_eventset. EventSets are ordinarily automatically bound
       to components when the first event is added. This routine is useful to
       explicitly bind an EventSet to a component before setting component related
       options.

       @par Examples:

       *   int EventSet = PAPI_NULL;
       *   if ( PAPI_create_eventset( &EventSet ) != PAPI_OK )
       *   handle_error( 1 );
       *   // Bind our EventSet to the cpu component
       *   if ( PAPI_assign_eventset_component( EventSet, 0 ) != PAPI_OK )
       *   handle_error( 1 );
       *   // Convert our EventSet to multiplexing
       *   if ( PAPI_set_multiplex( EventSet ) != PAPI_OK )
       *   handle_error( 1 );
       *

       See Also:
	   PAPI_set_opt
	    PAPI_create_eventset
	    PAPI_add_events
	    PAPI_set_multiplex

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

Version 5.2.0.0 						  Tue Jun 17 2014				 PAPI_assign_eventset_component(3)
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