Re: [PATCH 2/6] perf: Support branch events logging

From: Peter Zijlstra
Date: Fri Apr 14 2023 - 12:10:07 EST


On Fri, Apr 14, 2023 at 11:56:41AM -0400, Liang, Kan wrote:
> > If it were to only support 4, then
> > we're in counter scheduling contraint hell again
>
> Unfortunately, yes.
>
> > and we need to somehow
> > group all these things together with the LBR event.
>
> Group will bring many limits for the usage. For example, I was told
> there could be someone wants to use it with multiplexing.

You can create two groups, each with an LBR event, no?