linux-next stats (Was: Linux 3-10-rc1)

From: Stephen Rothwell
Date: Sun May 12 2013 - 21:18:20 EST

On Sat, 11 May 2013 18:00:09 -0700 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> So this is the biggest -rc1 in the last several years (perhaps ever)

ever (see after today's
linux-next release).

> Which was unexpected, because while linux-next was fairly big, it
> wasn't exceptionally so. I'm sure Stephen Rothwell will talk about the
> statistics of commits that weren't in -next, we'll see if that was the
> reason..

Since you asked ... :-)

This was the second biggest linux-next ever (in terms of commits) the one
before v3.8 was somewhat larger).

(No merge commits counted, next-20130429 was the last linux-next before v3.9)

Commits in v3.10-rc1 (relative to v3.9): 11963
Commits in next-20130429: 11300
Commits with the same SHA1: 9708
Commits with the same patch_id: 885 (1)
Commits with the same subject line: 91 (1)

(1) not counting those in the lines above.

So commits in -rc1 that were "in" next-20130429: 10684 89.3%
(down from 90.6% last time)
Commits in -rc1 that were not in next-20120722: 1279 10.7%

Pretty good, but it would be still nice to figure out where the last lot
came from. I have the "git log --oneline --no-walk" list if someone wants them.

Some breakdown of that list:

Top ten first word of commit summary:

27 NVMe
29 xfs
41 drm
47 powerpc
59 rbd
64 arm
78 media
84 mips
101 btrfs

Top ten authors:

19 Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
19 Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
21 Dave Chinner <dchinner@xxxxxxxxxx>
22 James Smart <>
25 John Crispin <blogic@xxxxxxxxxxx>
26 Steven J. Hill <Steven.Hill@xxxxxxxxxx>
28 Josef Bacik <jbacik@xxxxxxxxxxxx>
31 Hans Verkuil <hans.verkuil@xxxxxxxxx>
35 Al Viro <viro@xxxxxxxxxxxxxxxxxx>
64 Alex Elder <elder@xxxxxxxxxxx>

Top ten commiters:

29 Ben Myers <bpm@xxxxxxx>
43 Al Viro <viro@xxxxxxxxxxxxxxxxxx>
44 Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
54 Sage Weil <sage@xxxxxxxxxxx>
59 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
80 Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
87 Ralf Baechle <ralf@xxxxxxxxxxxxxx>
92 James Bottomley <JBottomley@xxxxxxxxxxxxx>
99 Josef Bacik <jbacik@xxxxxxxxxxxx>
111 David S. Miller <davem@xxxxxxxxxxxxx>

Quite a few of these could be bug fixes (especially DaveM's).

Stephen Rothwell sfr@xxxxxxxxxxxxxxxx

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