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Message-ID: <20241119191608.514ea226@kernel.org> Date: Tue, 19 Nov 2024 19:16:08 -0800 From: Jakub Kicinski <kuba@...nel.org> To: netdev@...r.kernel.org, netdev-driver-reviewers@...r.kernel.org Subject: [ANN] netdev development stats for 6.13 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/956765/ but more focused on mailing list participation. And by participation we mean reviewing code more than producing patches. Previous stats (for 6.12): https://lore.kernel.org/20240922190125.24697d06@kernel.org General stats ------------- The cycles was about 10% busier than the previous one, in terms of messages on the list (293 msg/day, +9.0% from 6.12) and applied commits (21 commits/day, +9.8%). There was also 10% more people emailing list list. Fraction of reviewed commits (by counting git tags) went down by 1% to 70%, while the fraction of commits reviewed by people with a different email domain moved up 2% to 60%. The increase in traffic is entirely expected as the previous cycle overlapped with summer vacations. Next cycle will likely go down again, due to winter festivities... Testing ------- We merged a similar number of changes for selftests as in previous cycle (102). Since we merged more commits - this is a proportional decrease. It's not what I hoped for, but subjectively I think there is a clear increase in the number of reviewers asking for selftests to be added or extended with new code or fixes. So it _feels_ like the shift towards more structured testing is happening. The enabling CONFIG_PROVE_RCU_LIST in our CI caused a regression in the number of ignored tests. We are ignoring 11 tests up from 8 in 6.12. The fixes are WIP so I'm not too concerned. The ranking of people who contributed most to selftests: Contributions to selftests: 1 [ 20] Petr Machata 2 [ 12] Stanislav Fomichev 3 [ 8] Jakub Kicinski 4 [ 5] Sabrina Dubroca 5 [ 4] Yunsheng Lin 6 [ 4] Hangbin Liu 7 [ 3] Mohan Prasad J 8 [ 3] Edward Cree 9 [ 3] Breno Leitao 10 [ 3] Paolo Abeni Notably Petr added a form of "defer" for bash scripts. Developer rankings ------------------ Top reviewers (cs): Top reviewers (msg): 1 ( +1) [35] Simon Horman 1 ( ) [58] Jakub Kicinski 2 ( -1) [29] Jakub Kicinski 2 ( ) [57] Simon Horman 3 ( ) [18] Andrew Lunn 3 ( ) [51] Andrew Lunn 4 ( ) [12] Paolo Abeni 4 ( ) [25] Eric Dumazet 5 ( ) [ 8] Eric Dumazet 5 ( +1) [19] Paolo Abeni 6 ( +6) [ 5] Kuniyuki Iwashima 6 ( -1) [16] Willem de Bruijn 7 (+19) [ 4] Russell King 7 ( +8) [16] Vladimir Oltean 8 ( -1) [ 4] Willem de Bruijn 8 ( +8) [13] Kuniyuki Iwashima 9 ( ) [ 4] Jacob Keller 9 ( -2) [11] Krzysztof Kozlowski 10 (+25) [ 3] Vladimir Oltean 10 (***) [ 9] Mina Almasry 11 ( -5) [ 3] Krzysztof Kozlowski 11 (+31) [ 9] Russell King 12 (+10) [ 3] David Ahern 12 ( -2) [ 8] Jacob Keller 13 (***) [ 3] Kalesh Anakkur Purayil 13 (***) [ 7] Vadim Fedorenko 14 (+11) [ 3] Ido Schimmel 14 (+46) [ 7] Martin KaFai Lau 15 (+23) [ 3] Vadim Fedorenko 15 (***) [ 7] Frank Li A lot of familiar names in the top 15 reviewers. Quite a few names reappearing after a period of lower activity, the returns are greatly appreciated. Kalesh and Vadim may be appearing here for the first time, focusing on general driver reviews. Frank Li has been reviewing mostly NXP ENETC patches, which were so numerous they were enough to earn the 15th position :) Big thanks to all the reviewers for their invaluable work! Top authors (cs): Top authors (msg): 1 ( +2) [5] Rosen Penev 1 ( +8) [30] Rosen Penev 2 ( +3) [4] Eric Dumazet 2 (+44) [22] Kuniyuki Iwashima 3 (***) [3] Heiner Kallweit 3 (+30) [17] Joe Damato 4 ( -3) [3] Jakub Kicinski 4 (***) [17] Wei Fang 5 (+41) [2] Hangbin Liu 5 (+13) [16] Tariq Toukan No surprises for top authors. Rosen Penev has been posting driver "updates" to convert them to newer APIs. Kuniyuki is pushing forward with rtnl lock breakup. Joe added NAPI netlink support to a lot of drivers. Top scores (positive): Top scores (negative): 1 ( +1) [485] Simon Horman 1 ( +6) [119] Rosen Penev 2 ( -1) [445] Jakub Kicinski 2 (+26) [ 59] David Howells 3 ( ) [328] Andrew Lunn 3 (+44) [ 55] Antonio Quartulli 4 ( +1) [149] Paolo Abeni 4 (***) [ 55] Wei Fang 5 ( -1) [118] Eric Dumazet 5 (+29) [ 53] Menglong Dong 6 ( +1) [ 79] Willem de Bruijn 6 (***) [ 51] Chia-Yu Chang 7 (+17) [ 69] Vladimir Oltean 7 ( +7) [ 49] Tariq Toukan 8 ( -2) [ 68] Krzysztof Kozlowski 8 ( -5) [ 44] Jijie Shao 9 (***) [ 47] Kalesh Anakkur Purayil 9 ( -4) [ 38] Yunsheng Lin 10 (***) [ 46] Ido Schimmel 10 (***) [ 31] Joe Damato As a reminder - the "scores" are a measure of patches posted vs reviewed. The positive side is self-explanatory, on the right side we have some folks who are revising big patch sets and performing conversions. While slightly negative scores are likely okay, I hope that those with negative scores will reflect on their contributions. Company rankings ---------------- Top reviewers (cs): Top reviewers (msg): 1 ( ) [47] RedHat 1 ( ) [100] RedHat 2 ( ) [33] Meta 2 ( ) [ 83] Meta 3 ( +1) [18] Andrew Lunn 3 ( ) [ 64] Google 4 ( -1) [18] Intel 4 ( ) [ 51] Andrew Lunn 5 ( ) [16] Google 5 ( ) [ 50] Intel 6 ( +1) [ 8] nVidia 6 ( +1) [ 20] Linaro 7 ( +2) [ 7] Broadcom 7 ( -1) [ 18] nVidia Top authors (cs): Top authors (msg): 1 ( ) [14] RedHat 1 ( ) [69] Intel 2 ( +3) [ 8] Intel 2 ( +1) [58] RedHat 3 ( +1) [ 7] Meta 3 ( -1) [39] Huawei 4 ( -1) [ 7] Google 4 ( +1) [35] Meta 5 ( -3) [ 6] Huawei 5 ( -1) [33] nVidia 6 ( +6) [ 5] Minerva Networks 6 ( +5) [30] Minerva Networks 7 ( -1) [ 4] nVidia 7 (+10) [27] NXP Top scores (positive): Top scores (negative): 1 ( ) [532] RedHat 1 ( ) [140] Huawei 2 ( ) [448] Meta 2 ( +2) [119] Minerva Networks 3 ( ) [328] Andrew Lunn 3 (***) [ 55] OpenVPN 4 ( ) [258] Google 4 (+20) [ 54] ZTE 5 ( ) [118] Linaro 5 (***) [ 51] Nokia 6 ( +2) [ 97] Broadcom 6 (+13) [ 36] Marvell 7 (+15) [ 52] Intel 7 (+21) [ 32] MediaTek -- Code: https://github.com/kuba-moo/ml-stat Raw output: https://netdev.bots.linux.dev/static/nipa/stats-6.13/stdout
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