Re: [RFC PATCH 3/4] sched/topology: remove smt_gain

From: Peter Zijlstra
Date: Fri Sep 07 2018 - 08:43:00 EST


On Wed, Aug 29, 2018 at 03:08:38PM +0100, Qais Yousef wrote:
> It was hard to track the history of this and *why* it's needed.

Yeah, my bad..

So at some point I wanted to do dynamic capacity and dynamic smt gain by
using the x86 APERF/MPERF stuff. But it never quite worked and we got
stuck with the remnants.