Re: [PATCH V2 16/25] perf/x86: Register hybrid PMUs
From: Andi Kleen
Date: Thu Mar 11 2021 - 12:54:56 EST
> AFAICT we could register them all here. That instantly fixes that
> CPU_STARTING / CPU_DEAD fail elsewhere in this patch.
This would mean a system that only has Atoms or only has big cores
would still show the other CPU's PMU. We expect those to exist.
-Andi