Re: [PATCH 2/9] perf/x86/intel: Basic support for metrics counters

From: Peter Zijlstra
Date: Wed May 29 2019 - 12:50:29 EST


On Wed, May 29, 2019 at 10:40:52AM -0400, Liang, Kan wrote:
> On 5/29/2019 3:28 AM, Peter Zijlstra wrote:
> > One way would be to make these 48-51 and put BTS as 52, and then you do
>
> Can we put BTS 47?

Sure, it doesn't matter where you put it. It just needs to be a free bit
position, the rest doesn't matter.