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Message-ID: <20251202175548.6b5eb80e@kernel.org>
Date: Tue, 2 Dec 2025 17:55:48 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: netdev@...r.kernel.org
Subject: [ANN] netdev development stats for 6.19
Hi!
Intro
-----
As is tradition here are the development statistics based on mailing
list traffic on netdev@...r.
These stats are somewhat like LWN stats: https://lwn.net/Articles/1004998/
but more focused on mailing list participation. And by participation
we mean reviewing code more than producing patches.
In particular "review score" tries to capture the balance between
reviewing other people's code vs posting patches. It's roughly
number of patches reviewed minus number of patches posted.
Those who post more than they review will have a negative score.
Previous 3 reports:
- for 6.16: https://lore.kernel.org/20250529144354.4ca86c77@kernel.org
- for 6.17: https://lore.kernel.org/20250728160647.6d0bb258@kernel.org
- for 6.18: https://lore.kernel.org/20251002171032.75263b18@kernel.org
General stats
-------------
This release cycle was 6% smaller in terms of postings and 15% smaller
in terms of merged commits than 6.18. We have also regressed in terms
of review coverage.
Personally, this cycle felt quite busy for me. netdev foundation
received its first batch of servers, and the infrastructure has been
mostly migrated over to those (the UI still runs on the old setup but
builds and kselftests run on the shiny new machines). "We" have also
spent some time integrating the AI code review built by Chris Mason.
Looking ahead we are expecting more server deliveries, including some
400GE NICs for the community to experiment with. The netdev foundation
still has a good chunk of money left so please do not hesitate to
suggest how we can spend it to improve the project and help developers.
Developer rankings
------------------
Contributions to selftests:
1 [ 30] Jakub Kicinski
2 [ 24] Matthieu Baerts
3 [ 13] Bobby Eshleman
4 [ 6] Carolina Jubran
5 [ 4] Kuniyuki Iwashima
6 [ 3] Eric Dumazet
7 [ 3] Breno Leitao
Top reviewers (cs): Top reviewers (msg):
1 ( ) [28] Jakub Kicinski 1 ( ) [61] Jakub Kicinski
2 ( ) [21] Simon Horman 2 ( ) [41] Andrew Lunn
3 ( ) [14] Andrew Lunn 3 ( ) [38] Simon Horman
4 ( ) [ 9] Paolo Abeni 4 ( ) [21] Paolo Abeni
5 (+27) [ 5] Maxime Chevallier 5 (***) [13] Maxime Chevallier
6 ( -1) [ 5] Eric Dumazet 6 ( +1) [13] Russell King
7 ( -1) [ 5] Russell King 7 ( +6) [12] Aleksandr Loktionov
8 ( +1) [ 5] Aleksandr Loktionov 8 ( -3) [12] Eric Dumazet
9 ( +3) [ 4] Jacob Keller 9 ( +3) [10] Michael S. Tsirkin
10 ( -2) [ 4] Kuniyuki Iwashima 10 (+35) [10] Stefano Garzarella
11 (+30) [ 3] Sabrina Dubroca 11 ( +5) [ 9] Jacob Keller
12 ( -5) [ 3] Vadim Fedorenko 12 (+14) [ 8] Sabrina Dubroca
13 (+24) [ 2] Alexander Lobakin 13 ( -5) [ 7] Kuniyuki Iwashima
14 ( +1) [ 2] Vladimir Oltean 14 (+44) [ 7] Kory Maincent (Dent Project)
15 ( -5) [ 2] Paul Menzel 15 (***) [ 6] Toke Høiland-Jørgensen
Lots of familiar names in top reviewer ranking. Let me focus on those
with most significant gains. Maxime has helped with various embedded
(stmmac and PHY) reviews (sorry that we didn't manage to merge the
phy_port series in time for 6.19!). Sabrina helped with TLS, IPsec,
OVPN as well as a few core changes. Stefano had his hands full with
vsock changes. Kory reviewed PSE and timestamp NDO conversion patches.
Aleksandr reviewed mostly Intel NIC patches, but occasionally also
patches for other NICs. Alexander (with an e) reviewed some of Eric's
skb optimizations.
Once again, huge thanks to those who help with patch reviews!
Top authors (cs): Top authors (msg):
1 ( +1) [5] Eric Dumazet 1 (+12) [35] Christian Brauner
2 ( +1) [3] Russell King 2 ( ) [27] Russell King
3 ( -2) [3] Jakub Kicinski 3 ( +5) [19] Tariq Toukan
4 ( +2) [3] Tariq Toukan 4 (+43) [19] Bobby Eshleman
5 ( +2) [3] Heiner Kallweit 5 (+34) [18] Vadim Fedorenko
6 ( -1) [2] Alok Tiwari 6 (+27) [16] Maxime Chevallier
7 ( +8) [2] Breno Leitao 7 ( +8) [16] Daniel Golle
8 ( ) [2] Kuniyuki Iwashima 8 ( -2) [15] Eric Dumazet
9 (***) [2] Randy Dunlap 9 (+49) [14] Daniel Jurgens
10 (+29) [2] Vadim Fedorenko 10 ( -9) [13] Jakub Kicinski
Top scores (positive): Top scores (negative):
1 ( ) [412] Jakub Kicinski 1 ( +8) [135] Christian Brauner
2 ( ) [306] Simon Horman 2 (+33) [ 74] Bobby Eshleman
3 ( ) [256] Andrew Lunn 3 ( +4) [ 67] Tariq Toukan
4 ( ) [144] Paolo Abeni 4 (+37) [ 58] Daniel Jurgens
5 ( +6) [ 79] Aleksandr Loktionov 5 ( +7) [ 56] Daniel Golle
6 (+32) [ 45] Sabrina Dubroca 6 (***) [ 44] Jeff Layton
7 (+12) [ 37] Michael S. Tsirkin 7 ( +9) [ 40] Eliav Farber
Company rankings
----------------
Top reviewers (cs): Top reviewers (msg):
1 ( +1) [34] RedHat 1 ( +1) [102] RedHat
2 ( -1) [30] Meta 2 ( -1) [ 76] Meta
3 ( ) [17] Intel 3 ( +2) [ 44] Intel
4 ( ) [14] Andrew Lunn 4 ( ) [ 41] Andrew Lunn
5 ( ) [11] Google 5 ( -2) [ 27] Google
6 ( +1) [ 9] nVidia 6 ( +1) [ 20] nVidia
7 ( -1) [ 7] Oracle 7 ( -1) [ 18] Oracle
Top authors (cs): Top authors (msg):
1 ( ) [12] Meta 1 ( ) [95] Meta
2 ( ) [10] RedHat 2 ( ) [52] RedHat
3 ( ) [10] Google 3 ( +2) [48] nVidia
4 ( ) [ 7] Intel 4 ( ) [47] Intel
5 ( +1) [ 7] Oracle 5 ( +9) [41] Microsoft
6 ( -1) [ 7] nVidia 6 ( -3) [38] Google
7 ( +1) [ 3] Huawei 7 ( -1) [34] Oracle
Top scores (positive): Top scores (negative):
1 ( +1) [438] RedHat 1 (+14) [137] Microsoft
2 ( +1) [256] Andrew Lunn 2 ( +9) [ 56] Daniel Golle
3 ( -2) [141] Meta 3 ( +1) [ 50] nVidia
4 ( ) [107] Intel 4 ( +1) [ 47] Huawei
5 ( +2) [ 38] ARM 5 ( +7) [ 44] Amazon
6 ( +6) [ 33] Linux Foundation 6 (+23) [ 40] AMD
7 ( -1) [ 31] Google 7 ( -4) [ 40] Pengutronix
--
Code: https://github.com/kuba-moo/ml-stat
Raw output: https://netdev.bots.linux.dev/static/nipa/stats-6.19/stdout
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