linux-kernel - Re: [PATCH 07/10] perf, tools: Collapse identically named events in perf stat

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Message-ID: <20161017163017.GN26852@two.firstfloor.org>
Date:   Mon, 17 Oct 2016 09:30:17 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
        jolsa@...nel.org, sukadev@...ux.vnet.ibm.com, eranian@...gle.com,
        linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 07/10] perf, tools: Collapse identically named events in
 perf stat

> this leads to my next question: why this merging should be default?

It's the right default for uncore, and it doesn't do anything for
non uncore because these usually don't have duplicated event aliases
over different PMUs.

-Andi