MPI_T_pvar_get_num.openmpi3
Usage
C Syntax
#include <mpi.h> int MPI_T_pvar_get_num(int *num_pvar)
MPI_T_pvar_get_num — Query the number of performance variables
Output parameters
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num_pvar: Current number of performance variables.
Overview
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:
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MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized
Releases
5 releases since Debian 9 (Stretch); the text changed 4 times.