petsc-3.7.3 2016-07-24
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# EventPerfLogActivate

Indicates that a particular event should be logged.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode EventPerfLogActivate(PetscEventPerfLog eventLog, PetscLogEvent event)

Not Collective

### Input Parameters

| eventLog | - The PetscEventPerfLog
| event | - The event

### Usage

          EventPerfLogDeactivate(log, VEC_SetValues);
            [code where you do not want to log VecSetValues()]
          EventPerfLogActivate(log, VEC_SetValues);
            [code where you do want to log VecSetValues()]

### Note

The event may be either a pre-defined PETSc event (found in include/petsclog.h) or an event number obtained with EventRegLogRegister().

### Keywords

log, event, activate

### See Also

PetscLogEventMPEDeactivate(), PetscLogEventMPEActivate(), EventPerfLogDeactivate()

Level:developer
Location: src/sys/logging/utils/eventlog.c
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