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# PetscMallocGetDebug
Indicates what PETSc memory debugging it is doing. 
## Synopsis
```
#include "petscsys.h" 
PetscErrorCode PetscMallocGetDebug(PetscBool *basic, PetscBool *eachcall, PetscBool *initializenan)
```
Not Collective


## Output Parameters

- ***basic -*** doing basic debugging
- ***eachcall -*** checks the entire memory heap at each `PetscMalloc()`/`PetscFree()`
- ***initializenan -*** initializes memory with `NaN`





## Note
By default, the debug version always does some debugging unless you run with `-malloc_debug no`


## See Also
 `CHKMEMQ()`, `PetscMallocValidate()`, `PetscMallocSetDebug()`, `PetscMalloc()`, `PetscFree()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/memory/mtr.c.html#PetscMallocGetDebug">src/sys/memory/mtr.c</A>


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


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