# PetscLogStageSetActive
Sets if a stage is used for `PetscLogEventBegin()` and `PetscLogEventEnd()`. 
## Synopsis
```
#include "petscsys.h"   
PetscErrorCode PetscLogStageSetActive(PetscLogStage stage, PetscBool isActive)
```
Not Collective


## Input Parameters

- ***stage    -*** The stage
- ***isActive -*** The activity flag, `PETSC_TRUE` for logging, else `PETSC_FALSE` (defaults to `PETSC_TRUE`)





## Note
If this is set to `PETSC_FALSE` the logging acts as if the stage did not exist


## See Also
 `PetscLogStageRegister()`, `PetscLogStagePush()`, `PetscLogStagePop()`, `PetscLogEventBegin()`, `PetscLogEventEnd()`, `PetscPreLoadBegin()`, `PetscPreLoadEnd()`, `PetscPreLoadStage()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/logging/plog.c.html#PetscLogStageSetActive">src/sys/logging/plog.c</A>


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


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