linux-kernel - Re: [PATCH 10/19] perf ftrace: add support for trace option funcgraph-tail

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Message-ID: <CAM9d7cijjLcFtNPP28F_MUA4ACgkiTYccO5vMMF_9XS7p2Y+2g@mail.gmail.com>
Date:   Sun, 31 May 2020 15:07:19 +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 10/19] perf ftrace: add support for trace option funcgraph-tail

On Thu, May 21, 2020 at 6:05 AM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> Em Sun, May 10, 2020 at 11:06:19PM +0800, Changbin Du escreveu:
> > This adds an option '--funcgraph-tail' for function graph tracer.
>
> And I think we should make these available in a compact way, as Intel PT
> has, i.e. instead of doing something like:
>
>    --function-graph-options nosleep_time,noirqs,no_tail,long_info
>
> We could have:
>
>    -G ns,ni,nt,li
>
> To save on typing, or something like that.

Looks good.  What about separate 'no' prefix from two letter alias?

st, nost, ir, noir, ...

Thanks
Namhyung