MPI_T_PVAR_GET_NUM(3)              Open MPI              MPI_T_PVAR_GET_NUM(3)


MPI_T_pvar_get_num -- Query the number of performance variables

SYNTAX
   C Syntax

          #include <mpi.h>

          int MPI_T_pvar_get_num(int *num_pvar)

OUTPUT PARAMETERS

       o num_pvar: Current number of performance variables.

DESCRIPTION
       MPI_T_pvar_get_num can be used to query the current number of
       performance variables. The number of performance variables may increase
       throughout the execution of the process but will never decrease.

ERRORS
       MPI_T_pvar_get_num will fail if:

       o MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

COPYRIGHT
       2003-2024, The Open MPI Community

                                 April 8, 2024           MPI_T_PVAR_GET_NUM(3)