Re: [PATCH] tools/lib/traceevent/event-parse: delete pevent_register_function

From: Arnaldo Carvalho de Melo
Date: Mon Jan 15 2018 - 08:13:43 EST


Em Mon, Jan 15, 2018 at 06:54:27AM -0500, Steven Rostedt escreveu:
> On Mon, 15 Jan 2018 11:08:34 +0100
> Jiri Olsa <jolsa@xxxxxxxxxx> 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.

Right, I'll eventually add a 'perf test' entry to use those functions,
testing its functionality so that this doesn't resurfaces in the future
:-)

- Arnaldo