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

[Peter Zijlstra]

On Thu, Nov 24, 2016 at 11:02:16AM -0800, Andi Kleen wrote:
> > Sure, but that's a tool thing, totally irrelevant for the kernel.
> 
> It requires enabling the overhead records by default.

by the tool, not the kernel.