NAME¶

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¶

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 exection of the process but will never decrease.

ERRORS¶

MPI_T_pvar_get_num() will fail if:

[MPI_T_ERR_NOT_INITIALIZED]

The MPI Tools interface not initialized