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Date: Thu, 8 Jan 2009 18:53:43 +0100
From: Kristoffer Ericson <kristoffer.ericson@gmail.com>
To: Wang Chen <wangchen@cn.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, gregkh@suse.de, corbet@lwn.net
Subject: Re: Who wrote 2.6.28
Message-Id: <20090108185343.27602b9f.kristoffer.ericson@gmail.com>
In-Reply-To: <496224D7.2030109@cn.fujitsu.com>
References: <496224D7.2030109@cn.fujitsu.com>
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On Mon, 05 Jan 2009 23:18:47 +0800
Wang Chen <wangchen@cn.fujitsu.com> wrote:

> As Jonathon and Greg did, I also made a statistic about who wrote the Lin=
ux kernel.
> The following data is for 2.6.28 development. (http://www.remword.com/kps=
_result/)
>=20
> 1. The attachment graph "commit.png" shows the change of commit amount of=
 patches and changed lines.
>    It seems that 2.6.28 has less commits than 2.6.27 of both patch set an=
d changed lines.
>=20
> 2. The attachment graph "who.png" shows the involved developers and emplo=
yers in each version of kernel.
>    It seems that 2.6.28 has more developers and companies involved than p=
revious two versions, but
>    less than that of 2.6.25. From a long vision, more and more developers=
 and companies join to the
>    development of Linux kernel, but the increase speed is not so fast.

How about adjusting for large/small letters? eg. Kristoffer Ericson =3D=3D =
kristoffer ericson. Or Ill just learn to use the same always :)


>=20
> 3. About TOP30 employers who commit most to kernel, (http://remword.com/k=
ps_result/2_6_28_emtop)
>    Hobbyists is still the most group who contribute most to kernel develo=
pment.
>=20
> 4. About longtail, (http://remword.com/kps_result/2_6_28_lt)
>    There are 624 people who committed less than 2 patch sets, but their c=
ontribution is about 8%
>    of total.
>=20
> 5. About Reviewed-by and Tested-by.
>    More and more review and test efforts are regarded by people, Tested-b=
y sign number(173)
>    is highest in kernel development history.
>=20
> 6. Anyone who wants to check some person or company's contribution curve,=
 please use
>    http://remword.com/kps_result/evolvement.php
>=20
> BTW:
> To collect information about developers' employ relationship, I search on=
 the Internet
> (not by asking themselves) and use gitdm-config which is created by Jonat=
hon and Greg.
> Thanks Jonathon and Greg :)
>=20
> --
> WCN
>=20
>=20
>=20


--=20
Kristoffer Ericson <kristoffer.ericson@gmail.com>

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