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MPI_T_pvar_start, MPI_T_pvar_stop - Start/stop a performance
variable
#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 Parameterssession Performance experiment session. handle Performance
variable handle. DescriptionMPI_T_pvar_start starts the performance variable
with the handle specified 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 specified 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. ErrorsMPI_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
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