linux-kernel - Re: [PATCH v5 02/17] perf ftrace: add option '-F/--funcs' to list available functions

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Message-ID: <20200717122740.59186df2@oasis.local.home>
Date:   Fri, 17 Jul 2020 12:27:40 -0400
From:   Steven Rostedt <rostedt@...dmis.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>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org,
        "linux-trace-devel@...r.kernel.org" 
        <linux-trace-devel@...r.kernel.org>
Subject: Re: [PATCH v5 02/17] perf ftrace: add option '-F/--funcs' to list
 available functions

On Fri, 17 Jul 2020 13:21:16 -0300
Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

>  
> > Would you like to start contributing to that, and when we get the
> > libtracefs.so packed in distributions, we can easily create the
> > perf ftrace without having to rewrite the wheel 10 times?  
> 
> Or we can use as soon as it is available, not preventing 'perf ftrace'
> from having to wait for libtracefs.so?
> 
> Duplication is normal at some point, Changbin is moving 'perf ftrace'
> forward, and has been doing this thru several patch series revisions, if
> we continue putting new requirements, it gets tiresome at some point :-\

We're finally at the point to move libtracefs.so and libtraceevent.so
into their own repository.

My fear is that the two will become incompatible, and forked forever.

-- Steve