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# PetscMPIDump
Dumps a listing of incomplete MPI operations, such as sends that have never been received, etc. 
## Synopsis
```
#include "petscsys.h" 
PetscErrorCode PetscMPIDump(FILE *fd)
```
Collective on `PETSC_COMM_WORLD`


## Input Parameter

- ***fp -*** file pointer.  If fp is `NULL`, `stdout` is assumed.



## Options Database Key

- ***-mpidump -*** Dumps MPI incompleteness during call to PetscFinalize()





## See Also
 `PetscMallocDump()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/utils/mpitr.c.html#PetscMPIDump">src/sys/utils/mpitr.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/utils/mpitr.c)


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[Index of all manual pages](/manualpages/singleindex.md)  
