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MPI_T_CATEGORY_GET_PVARS(3) Open MPI MPI_T_CATEGORY_GET_PVARS(3)

NAME

MPI_T_category_get_pvars - Query which performance variables are in

MPI_T_category_get_pvars — Query which performance variables are in a category

INPUT PARAMETERS

  • cat_index: Index of the category to be queried.
  • len: The length of the indices array.

OUTPUT PARAMETERS

•
indices: An integer array of size len, indicating performance variable indices.

DESCRIPTION

MPI_T_category_get_pvars can be used to query which performance variables are contained in a particular category. A category contains zero or more performance variables.

ERRORS

MPI_T_category_get_pvars will fail if:

  • MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized
  • MPI_T_ERR_INVALID_INDEX: The category index is invalid

Author

The Open MPI community

Copyright

2003-2026, The Open MPI Community

October 18, 2026