PAPI_get_multiplex (3)

C Interface:

#include <papi.h>

int PAPI_get_multiplex( int EventSet );

Fortran Interface:

#include fpapi.h

PAPIF_get_multiplex( C_INT EventSet, C_INT check )

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_ENOEVST The EventSet specified does not exist.

PAPI_EISRUN The EventSet is currently counting events.

PAPI_ENOMEM Insufficient memory to complete the operation.

PAPI_get_multiplex tests the state of the PAPI_MULTIPLEXING flag in the specified event set, returning TRUE if a PAPI event set is multiplexed, or FALSE if not.

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\n.")
*   if (ret == FALSE) printf("This event set is not enabled for multiplexing\n.")
*   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 enabled\n");
*   else if (ret != PAPI_OK) handle_error(ret);
*

See Also:

PAPI_multiplex_init

PAPI_set_opt

PAPI_create_eventset

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