linux-kernel - Re: crazy idea (was: Re: [PATCH] perf tool: Carve out ctype.h et al)

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Date:	Mon, 30 Jun 2014 21:39:41 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Robert Richter <rric@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>, Fu Wei <fu.wei@...aro.org>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...il.com>
Subject: Re: crazy idea (was: Re: [PATCH] perf tool: Carve out ctype.h et al)

On Mon, Jun 30, 2014 at 04:28:14PM -0300, Arnaldo Carvalho de Melo wrote:
> Yes, I think we should continue moving stuff out of tools/perf/ and
> into a place that can be shared with other tools/ living codebases.
>
> Doing so will of course help tools that live elsewhere, outside the
> kernel sources as well.

Ok.

> I thought that one way to overcome the fact that the ras daemon doesn't
> live in the kernel sources (now or ever) would be to pick whatever lower
> hanging fruits there are in place, like:
> 
> [acme@zoo linux]$ find tools/ -name list.h
> tools/firewire/list.h
> tools/lib/lockdep/uinclude/linux/list.h
> tools/perf/util/include/linux/list.h
> [acme@zoo linux]$ 
> 
> Haven't found much more than that tho at this point.

Right, the focus is only on tools that will be needed by other tools
only and carve only those out.

However, list.h is pretty generic and should be only one header which
contains the whole functionality.

Oh, and there is also another reason why pretty generic functionality in
tools/ should get merged - not only whether it is used by something else
or not: you don't want the wild growth of almost the same headers copied
at different times from the kernel in tools/ but rather one concise tree
of utilities, clean and organized. But for that I'd guess someone has
to take over the whole tools/ dir and orchestrate everything that gets
merged in there.

Right now we have a wild bunch of things in there, some of them build
and maybe work, some of them who knows, and so on... And then there's
perf tool.

:-)

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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