linux-kernel - Re: [PATCH 5/9] perf/x86/intel: Set correct weight for TopDown metrics events

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Message-ID: <20190528135012.GR2623@hirez.programming.kicks-ass.net>
Date:   Tue, 28 May 2019 15:50:12 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     kan.liang@...ux.intel.com
Cc:     acme@...nel.org, mingo@...hat.com, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, jolsa@...nel.org, eranian@...gle.com,
        alexander.shishkin@...ux.intel.com, ak@...ux.intel.com
Subject: Re: [PATCH 5/9] perf/x86/intel: Set correct weight for TopDown
 metrics events

On Tue, May 21, 2019 at 02:40:51PM -0700, kan.liang@...ux.intel.com wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> The topdown metrics and slots events are mapped to a fixed counter,
> but should have the normal weight for the scheduler.

You forgot the 'why/because' part of that sentence.

> So special case this.