linux-kernel - Re: [PATCH] tools/lib/traceevent/event-parse: delete pevent_register

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Date:   Mon, 15 Jan 2018 06:54:27 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Wang YanQing <udknight@...il.com>, acme@...nel.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/lib/traceevent/event-parse: delete
 pevent_register_function

On Mon, 15 Jan 2018 11:08:34 +0100
Jiri Olsa <jolsa@...hat.com> wrote:

> On Mon, Jan 15, 2018 at 12:50:14PM +0800, Wang YanQing wrote:
> > After commit 4263cece22e3da94f16fbbcf71ce3807946d3ef3
> > ("perf tools: Stop reading the kallsyms data from perf.data"),
> > there is no users of pevent_register_function in tree, so we
> > could just delete it.
> >   
> 
> I don't think you can remove this function,
> perf is not the only user there

Correct. The tools/lib does not have the same requirements as the
kernel code. It's purpose is to be a library for other tools, not just
what is in tree. Otherwise, I would be happy to add trace-cmd to the
kernel proper, as that is where this code originated from.

Don't delete those functions. They are required elsewhere.

-- Steve