Provided by: libpapi-dev_5.6.0-1_amd64 bug

NAME

       PAPI_set_multiplex -

       Convert a standard event set to a multiplexed event set.

SYNOPSIS

Detailed Description

       C Interface:
           #include <papi.h>
            int PAPI_set_multiplex( int  EventSet );

       Parameters:
           EventSet an integer handle for a PAPI event set as created by PAPI_create_eventset

       Return values:
           PAPI_OK
           PAPI_EINVAL -- One or more of the arguments is invalid, or the EventSet is already
           multiplexed.
           PAPI_ENOCMP -- The EventSet specified is not yet bound to a component.
           PAPI_ENOEVST -- The EventSet specified does not exist.
           PAPI_EISRUN -- The EventSet is currently counting events.
           PAPI_ENOMEM -- Insufficient memory to complete the operation.

       PAPI_set_multiplex converts a standard PAPI event set created by a call to
       PAPI_create_eventset into an event set capable of handling multiplexed events. This must
       be done after calling PAPI_multiplex_init, and either PAPI_add_event or
       PAPI_assign_eventset_component, but prior to calling PAPI_start().

       Events can be added to an event set either before or after converting it into a
       multiplexed set, but the conversion must be done prior to using it as a multiplexed set.

       Note:
           Multiplexing can't be enabled until PAPI knows which component is targeted. Due to the
           late binding nature of PAPI event sets, this only happens after adding an event to an
           event set or explicitly binding the component with a call to
           PAPI_assign_eventset_component.

       Example:

           *   int EventSet = PAPI_NULL;
           *   int ret;
           *
           *   // Create an empty EventSet
           *   ret = PAPI_create_eventset(&EventSet);
           *   if (ret != PAPI_OK) handle_error(ret);
           *
           *   // Bind it to the CPU component
           *   ret = PAPI_assign_eventset_component(EventSet, 0);
           *   if (ret != PAPI_OK) handle_error(ret);
           *
           *   // Check  current multiplex status
           *   ret = PAPI_get_multiplex(EventSet);
           *   if (ret == TRUE) printf("This event set is ready for multiplexing.")
           *   if (ret == FALSE) printf("This event set is not enabled for multiplexing.")
           *   if (ret < 0) handle_error(ret);
           *
           *   // Turn on multiplexing
           *   ret = PAPI_set_multiplex(EventSet);
           *   if ((ret == PAPI_EINVAL) && (PAPI_get_multiplex(EventSet) == TRUE))
           *     printf("This event set already has multiplexing enabled0);
           *   else if (ret != PAPI_OK) handle_error(ret);
           *

       See Also:
           PAPI_multiplex_init

           PAPI_get_multiplex

           PAPI_set_opt

           PAPI_create_eventset

Author

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