# PetscMallocLogRequestedSizeSet
Whether to log the requested or aligned memory size 
## Synopsis
```
#include "petscsys.h" 
PetscErrorCode PetscMallocLogRequestedSizeSet(PetscBool flg)
```
Not Collective


## Input Parameter

- ***flg -*** `PETSC_TRUE` to log the requested memory size



## Options Database Key

- ***-malloc_requested_size <bool> -*** Sets this flag





## See Also
 `PetscMallocLogRequestedSizeGet()`, `PetscMallocViewSet()`

## Level
developer

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