linux-kernel - Re: [PATCH 08/19] perf ftrace: add option -l/--long-info to show more info

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Date:   Sun, 31 May 2020 15:00:10 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Changbin Du <changbin.du@...il.com>, Jiri Olsa <jolsa@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 08/19] perf ftrace: add option -l/--long-info to show more info

On Thu, May 21, 2020 at 6:03 AM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> Em Sun, May 10, 2020 at 11:06:17PM +0800, Changbin Du escreveu:
> > Sometimes we want ftrace display more and longer information about trace.
>
> Humm, -v? Or that would bring too much stuff from other parts of perf?
> I guess so, perhaps as an option to the function-graph tracer, one that
> combines, as you do, several options provided by that tracer?

I think -v option is to debug perf tool's behavior while this is to change
the output (or behavior).

Thanks,
Namhyung