linux-kernel - Re: [PATCH] perf stat: Align CSV output for summary mode

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Message-ID: <YFEBaVNDokSVW/34@kernel.org>
Date:   Tue, 16 Mar 2021 16:05:13 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, Jin Yao <yao.jin@...ux.intel.com>,
        jolsa@...nel.org, peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH] perf stat: Align CSV output for summary mode

Em Tue, Mar 16, 2021 at 09:34:21AM -0700, Andi Kleen escreveu:
> > looks ok, but maybe make the option more related to CVS, like:
> > 
> >   --x-summary, --cvs-summary  ...? 
> 
> Actually I don't think it should be a new option. I doubt
> anyone could parse the previous mess. So just make it default
> with -x

In these cases I always fear that people are already parsing that mess
by considering the summary lines to be the ones not starting with
spaces, and now we go on and change it to be "better" by prefixing it
with "summary" and... break existing scripts.

Can we do this with a new option?

I.e. like --cvs-summary?

- Arnaldo