linux-kernel - Re: [PATCH 2/6] perf/x86: Fix data source decoding for Skylake

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Date:   Tue, 6 Jun 2017 06:51:20 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
        linux-kernel@...r.kernel.org, jolsa@...nel.org,
        Andi Kleen <ak@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 2/6] perf/x86: Fix data source decoding for Skylake

> Not too happy about that..
> 
>   P(LVLX, L4) | P(LVLX, REMOTE)
> 
> reads like something that should be PERF_MEM_LVL_REM_CCE1 or something

CCE1? You mean L4?

The two bits seem cleaner to me than enumerating all cases.  But ok.

REM_L4


> This new generic 'REMOTE' has too much overlap with the existing things.

So you want a REM_NA ?

-Andi