RE: [PATCH 01/14] perf/x86: Introduce PERF_RECORD_OVERHEAD

[Liang, Kan]

> 
> On Thu, Nov 24, 2016 at 01:45:28PM +0000, Liang, Kan wrote:
> > > I think we should make this optional/configurable like the rest of
> > > the aux events, like below..
> > >
> >
> > The overhead logging only happens when event is going to be disabled
> > or the task is scheduling out. It should not be much and expensive.
> >
> > Peter,
> >
> > What do you think?
> > Should we make it configurable?
> 
> Is there a downside to having it optional?

NO. There will be no overhead information dumped into perf.data. Just like
current implementation.