MPI_T_pvar_start(3) Open MPI MPI_T_pvar_start(3)
NAME
MPI_T_pvar_start, MPI_T_pvar_stop - Start/stop a performance variable
SYNTAX
C Syntax
#include <mpi.h>
int MPI_T_pvar_start(MPI_T_pvar_session session, MPI_T_pvar_handle handle)
int MPI_T_pvar_stop(MPI_T_pvar_session session, MPI_T_pvar_handle handle)
INPUT PARAMETERS
session Performance experiment session.
handle Performance variable handle.
DESCRIPTION
MPI_T_pvar_start starts the performance variable with the handle speci-
fied in handle. The special value MPI_T_PVAR_ALL_HANDLES can be passed
in handle to start all non-continuous handles in the session specified
in session.
MPI_T_pvar_stop stops the performance variable with the handle speci-
fied in handle. The special value MPI_T_PVAR_ALL_HANDLES can be passed
in handle to stop all non-continuous handles in the session specified
in session.
Continuous performance variables can neither be started nor stopped.
ERRORS
MPI_T_pvar_start() and MPI_T_pvar_stop() will fail if:
[MPI_T_ERR_NOT_INITIALIZED]
The MPI Tools interface not initialized
[MPI_T_ERR_INVALID_SESSION]
Session parameter is not a valid session
[MPI_T_ERR_INVALID_HANDLE]
Invalid handle or handle not associated with the session
[MPI_T_ERR_PVAR_NO_STARTSTOP]
The variable cannot be started or stopped
SEE ALSO
MPI_T_pvar_get_info
4.1.2 Nov 24, 2021 MPI_T_pvar_start(3)
Generated by dwww version 1.14 on Mon Jan 27 11:10:15 CET 2025.