linux-kernel - Re: [PATCH 31/37] perf callchain: Add count fields to struct callchain

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Message-ID: <20151123143528.GC3587@lerouge>
Date:	Mon, 23 Nov 2015 15:35:30 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
	Namhyung Kim <namhyung@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>,
	David Ahern <dsahern@...il.com>,
	Kan Liang <kan.liang@...el.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 31/37] perf callchain: Add count fields to struct
 callchain_node

Namhyung,

On Thu, Nov 19, 2015 at 02:53:17PM -0300, Arnaldo Carvalho de Melo wrote:
> From: Namhyung Kim <namhyung@...nel.org>
> 
> It's to track the count of occurrences of the callchains.

Please explain why you do something like this in the changelog, even just a single
line to tell which feature is going to use this and why.

No need to resend just for that, it's just for future patches.

Thanks.
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