/*@
MPI_T_pvar_handle_alloc - Allocate a handle for a performance variable
Input Parameters:
+ session - identifier of performance experiment session (handle)
. pvar_index - index of performance variable for which handle is to be allocated (integer)
- obj_handle - reference to a handle of the MPI object to which this variable is supposed to be bound (pointer)
Output Parameters:
+ handle - allocated handle (handle)
- count - number of elements used to represent this variable (integer)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_SESSION
.N MPI_T_ERR_INVALID_INDEX
.N MPI_T_ERR_OUT_OF_HANDLES
@*/
int MPI_T_pvar_handle_alloc(MPI_T_pvar_session session, int pvar_index,
void *obj_handle, MPI_T_pvar_handle *handle, int *count)
{
int mpi_errno = MPI_SUCCESS;
pvar_table_entry_t *entry;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
/* Validate parameters */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_PVAR_SESSION(session, mpi_errno);
MPIR_ERRTEST_PVAR_INDEX(pvar_index, mpi_errno);
MPIR_ERRTEST_ARGNULL(count, "count", mpi_errno);
MPIR_ERRTEST_ARGNULL(handle, "handle", mpi_errno);
/* Do not test obj_handle since it may be NULL when no binding */
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
entry = (pvar_table_entry_t *) utarray_eltptr(pvar_table, pvar_index);
if (!entry->active) {
mpi_errno = MPI_T_ERR_INVALID_INDEX;
goto fn_fail;
}
mpi_errno = MPIR_T_pvar_handle_alloc_impl(session, pvar_index, obj_handle, handle, count);
if (mpi_errno) goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_T_PVAR_HANDLE_ALLOC);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_pvar_handle_alloc", "**mpi_t_pvar_handle_alloc %p %d %p %p %p", session, pvar_index, obj_handle, handle, count);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_T_pvar_get_info - Get the inforamtion about a performance variable
Input/Output Parameters:
+ name_len - length of the string and/or buffer for name (integer)
- desc_len - length of the string and/or buffer for desc (integer)
Input Parameters:
. pvar_index - index of the performance variable to be queried between 0 and num_pvar-1 (integer)
Output Parameters:
+ name - buffer to return the string containing the name of the performance variable (string)
. verbosity - verbosity level of this variable (integer)
. var_class - class of performance variable (integer)
. datatype - MPI type of the information stored in the performance variable (handle)
. enumtype - optional descriptor for enumeration information (handle)
. desc - buffer to return the string containing a description of the performance variable (string)
. binding - type of MPI object to which this variable must be bound (integer)
. readonly - flag indicating whether the variable can be written/reset (integer)
. continuous - flag indicating whether the variable can be started and stopped or is continuously active (integer)
- atomic - flag indicating whether the variable can be atomically read and reset (integer)
.N ThreadSafe
.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_T_ERR_INVALID_INDEX
@*/
int MPI_T_pvar_get_info(int pvar_index, char *name, int *name_len, int *verbosity,
int *var_class, MPI_Datatype *datatype, MPI_T_enum *enumtype, char *desc,
int *desc_len, int *binding, int *readonly, int *continuous, int *atomic)
{
int mpi_errno = MPI_SUCCESS;
const pvar_table_entry_t *entry;
const pvar_table_entry_t *info;
MPID_MPI_STATE_DECL(MPID_STATE_MPI_T_PVAR_GET_INFO);
MPIR_ERRTEST_MPIT_INITIALIZED(mpi_errno);
MPIR_T_THREAD_CS_ENTER();
MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_T_PVAR_GET_INFO);
/* Validate parameters */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS
{
MPIR_ERRTEST_PVAR_INDEX(pvar_index, mpi_errno);
/* Do not do _TEST_ARGNULL for other arguments, since this is
* allowed or will be allowed by MPI_T standard.
*/
}
MPID_END_ERROR_CHECKS
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
entry = (pvar_table_entry_t *) utarray_eltptr(pvar_table, pvar_index);
if (!entry->active) {
mpi_errno = MPI_T_ERR_INVALID_INDEX;
goto fn_fail;
}
info = (pvar_table_entry_t *) utarray_eltptr(pvar_table, pvar_index);
MPIR_T_strncpy(name, info->name, name_len);
MPIR_T_strncpy(desc, info->desc, desc_len);
if (verbosity != NULL)
*verbosity = info->verbosity;
if (var_class != NULL)
*var_class = info->varclass;
if (datatype != NULL)
*datatype = info->datatype;
if (enumtype != NULL)
*enumtype = info->enumtype;
if (binding != NULL)
*binding = info->bind;
if (readonly != NULL)
*readonly = info->flags & MPIR_T_PVAR_FLAG_READONLY;
if (continuous != NULL)
*continuous = info->flags & MPIR_T_PVAR_FLAG_CONTINUOUS;
if (atomic != NULL)
*atomic = info->flags & MPIR_T_PVAR_FLAG_ATOMIC;
/* ... end of body of routine ... */
fn_exit:
MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_T_PVAR_GET_INFO);
MPIR_T_THREAD_CS_EXIT();
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_t_pvar_get_info", "**mpi_t_pvar_get_info %d %p %p %p %p %p %p %p %p %p %p %p %p",
pvar_index, name, name_len, verbosity, var_class, datatype, enumtype, desc, desc_len,
binding, readonly, continuous, atomic);
}
# endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}