linux-kernel - Re: [PATCH 1/1] scripts: add a graph generator based on checkpatch reports

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Date:	Mon, 24 Nov 2014 17:31:30 +0100 (CET)
From:	Fabian Frederick <fabf@...net.be>
To:	Joe Perches <joe@...ches.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 1/1] scripts: add a graph generator based on checkpatch
 reports



> On 23 November 2014 at 21:27 Joe Perches <joe@...ches.com> wrote:
>
>
> On Sat, 2014-11-22 at 21:56 +0100, Fabian Frederick wrote:
> > This script generates a graph based on errors/warnings/checks detected
> > by checkpatch -f recursively on each files of a directory.
> > Results are grouped by subfolders and pushed in gnuplot datasets.
>
> Why is this useful?
>
> Ingo's badly named script does something similar:
> http://people.redhat.com/mingo/x86.git/code-quality
>
> just without the plots.
>
> btw:  this line:
>
> $files = `find $statdir -name "*.c"`;
>
> should probably be
>
> $files = `git ls-files -- "$statdir/*.[ch]"`;
>

This script was meant for reporting so it's just useful because of the
graphs and the fact it can do all in one operation.

Most of all, when someone does a talk and shows up some graph,
it would be both easier and valid to tell it's using scripts/checkstat
on kernel x.y rather than sparse operations someone won't
easily reproduce.

I don't think using directly git operations would be a good thing.
This script could be used directly downloading tar.gz without it.
(Of course Git could be bring nice options in future versions :)).

Regards,
Fabian
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