MPI_T_pvar_session_create(3)

MPI_T_pvar_session_create3

Usage

C Syntax

#include <mpi.h>
int MPI_T_pvar_session_create(MPI_T_pvar_session *session)
int MPI_T_pvar_session_free(MPI_T_pvar_session *session)

MPI_T_pvar_session_create, MPI_T_pvar_session_free - Create/free performance variable session

Overview

MPI_T_pvar_session_create creates a session for accessing performance variables. The new session is returned in the session parameter.

MPI_T_pvar_session_free releases a session allocated by MPI_T_pvar_session_create and sets the session parameter to MPI_T_PVAR_SESSION_NULL.

Errors

MPI_T_pvar_session_create will fail if:

•

MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

•

MPI_T_ERR_MEMORY: Out of memory

•

MPI_T_ERR_OUT_OF_SESSIONS: No more sessions available

MPI_T_pvar_session_free will fail if:

•

MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

•

MPI_T_ERR_INVALID_SESSION: The session parameter is not a valid session

Releases

5 releases since Debian 8 (Jessie); the text changed 4 times.

  1. 8
  2. 9
  3. 10
  4. 12
  5. Arch

From openmpi 5.0.11-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.