|  | -options_view | - Calls PetscOptionsView() | 
|  | -options_left | - Prints unused options that remain in the database | 
|  | -objects_dump [all] | - Prints list of objects allocated by the user that have not been freed, the option all cause all outstanding objects to be listed | 
|  | -mpidump | - Calls PetscMPIDump() | 
|  | -malloc_dump <optional filename> | - Calls PetscMallocDump(), displays all memory allocated that has not been freed | 
|  | -malloc_info | - Prints total memory usage | 
|  | -malloc_view <optional filename> | - Prints list of all memory allocated and where |