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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)
- session
- Performance experiment session.
- handle
- Performance
variable handle.
MPI_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.
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
MPI_T_pvar_get_info
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