linux-kernel - Re: [PATCH 3/3] perf stat: Add --metrics-file option

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Message-ID: <20200421183615.GD608746@tassilo.jf.intel.com>
Date:   Tue, 21 Apr 2020 11:36:15 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>,
        Joe Mario <jmario@...hat.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        John Garry <john.garry@...wei.com>
Subject: Re: [PATCH 3/3] perf stat: Add --metrics-file option

> +--metrics-file file::
> +Read metrics definitions from file in addition to compiled in metrics.
> +

You would need to define the syntax and format. Perhaps in a separate
man page.

Also there are some asserts that can be triggered by expressions. I think
you should fix those too and convert them to errors.

-Andi