linux-kernel - Re: [PATCH] perf stat: Add support for s390 transaction counters

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Message-ID: <20180314173128.GH13724@tassilo.jf.intel.com>
Date:   Wed, 14 Mar 2018 10:31:28 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
Cc:     Thomas-Mich Richter <tmricht@...ux.vnet.ibm.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com
Subject: Re: [PATCH] perf stat: Add support for s390 transaction counters

> Displaying these different types for s390 is important from my point of
> view.  Of course, I could create a mapping of TX_NC_TABORT/TX_NC_TEND
> to tx-commit/tx-abort.  The remaining events would still appear to be specific
> to the cpum_cf.

If you want more generic metrics you can just use the new json generic metrics /
metric group support in the eventlist. In fact if we did it today I wouldn't
add perf stat -T at all, but just use that.

-Andi