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

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

[Stephen Rothwell]

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

ever (see http://neuling.org/linux-next-size.html 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
     92 SCSI
    101 btrfs

Top ten authors:

     19 Wang Shilong <wangsl-fnst@cn.fujitsu.com>
     19 Wei Yongjun <yongjun_wei@trendmicro.com.cn>
     21 Dave Chinner <dchinner@redhat.com>
     22 James Smart <james.smart@emulex.com>
     25 John Crispin <blogic@openwrt.org>
     26 Steven J. Hill <Steven.Hill@imgtec.com>
     28 Josef Bacik <jbacik@fusionio.com>
     31 Hans Verkuil <hans.verkuil@cisco.com>
     35 Al Viro <viro@zeniv.linux.org.uk>
     64 Alex Elder <elder@inktank.com>

Top ten commiters:

     29 Ben Myers <bpm@sgi.com>
     43 Al Viro <viro@zeniv.linux.org.uk>
     44 Benjamin Herrenschmidt <benh@kernel.crashing.org>
     54 Sage Weil <sage@inktank.com>
     59 Linus Torvalds <torvalds@linux-foundation.org>
     80 Mauro Carvalho Chehab <mchehab@redhat.com>
     87 Ralf Baechle <ralf@linux-mips.org>
     92 James Bottomley <JBottomley@Parallels.com>
     99 Josef Bacik <jbacik@fusionio.com>
    111 David S. Miller <davem@davemloft.net>

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

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au

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

[Benjamin Herrenschmidt]

On Mon, 2013-05-13 at 11:18 +1000, Stephen Rothwell wrote:
>      47 powerpc

Oops ;-)

So most of that *was* in -next for at least a day or two afaik just not
before the merge window opened. The reason for that is that I was on
an extended vacation for 5 weeks and was playing catch up until fairly
late, almost all of these are either bug fixes or things that were
posted for a while, reviewed and just hadn't been picked up due to the
lack of a maintainer. (Michael was my backup but he was busy getting
married :-)

Cheers,
Ben.