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Message-ID: <20250529144354.4ca86c77@kernel.org> Date: Thu, 29 May 2025 14:43:54 -0700 From: Jakub Kicinski <kuba@...nel.org> To: netdev@...r.kernel.org, netdev-driver-reviewers@...r.kernel.org Subject: [ANN] netdev development stats for 6.16 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. Previous 3 reports: - for 6.13: https://lore.kernel.org/20241119191608.514ea226@kernel.org - for 6.14: https://lore.kernel.org/20250121200710.19126f7d@kernel.org - for 6.15: https://lore.kernel.org/20250326140948.18a7da36@kernel.org General stats ------------- This release was around 10% smaller for us than usual, at 20 patches committed by the maintainers a day. The cross-company review percentage increased, 64.4% of changes were reviewed by someone from a different company. Other metrics are quite stable. Testing ------- https://netdev.bots.linux.dev/devices.html now shows the matrix of which tests pass on which driver. For now it only shows virtio as we don't have any results for real HW. Top contributions to selftests: 1 [ 11] Jakub Kicinski 2 [ 10] Cong Wang 3 [ 8] David Wei 4 [ 7] Hangbin Liu 5 [ 6] Mina Almasry 6 [ 5] Gang Yan 7 [ 4] Stanislav Fomichev 8 [ 4] Geliang Tang 9 [ 4] Matthieu Baerts 10 [ 4] Vladimir Oltean Developer rankings ------------------ Top reviewers (cs): Top reviewers (msg): 1 ( ) [26] Jakub Kicinski 1 ( ) [61] Jakub Kicinski 2 ( ) [24] Simon Horman 2 ( ) [46] Simon Horman 3 ( ) [14] Andrew Lunn 3 ( ) [41] Andrew Lunn 4 ( ) [13] Paolo Abeni 4 ( +2) [25] Paolo Abeni 5 ( +8) [ 5] Jacob Keller 5 (+17) [16] Jacob Keller 6 ( +1) [ 5] Kuniyuki Iwashima 6 ( +2) [15] Kuniyuki Iwashima 7 ( +1) [ 4] Stanislav Fomichev 7 ( +3) [13] Stanislav Fomichev 8 ( -2) [ 4] Russell King 8 ( -3) [12] Russell King 9 ( +1) [ 4] Willem de Bruijn 9 ( -5) [11] Willem de Bruijn 10 (+19) [ 3] Vadim Fedorenko 10 (***) [10] Donald Hunter 11 ( -2) [ 3] Michal Swiatkowski 11 (+12) [ 9] Mina Almasry 12 ( -7) [ 3] Eric Dumazet 12 ( +5) [ 9] Krzysztof Kozlowski 13 ( +2) [ 2] Krzysztof Kozlowski 13 (+12) [ 7] Stefano Garzarella 14 (+11) [ 2] Maxime Chevallier 14 ( -3) [ 6] Joe Damato 15 ( -3) [ 2] Rob Herring 15 (+30) [ 5] Vadim Fedorenko Jacob and Vadim climb up the ranks, reviewing PTP changes but also other driver patches. Maxime stepped up participation on embedded system reviews which is very much appreciated. Mina reviews netmem, devmem and page pool patches. Stefano actively maintains vsock, and Donald - YNL. Thank you to all the reviewers for their invaluable work! Top authors (cs): Top authors (msg): 1 ( ) [6] Jakub Kicinski 1 ( ) [28] Jakub Kicinski 2 ( +1) [3] Russell King 2 ( +7) [25] Kuniyuki Iwashima 3 (***) [3] Vladimir Oltean 3 ( +9) [18] Tony Nguyen 4 ( +2) [2] Kuniyuki Iwashima 4 (+19) [17] Chia-Yu Chang 5 ( -1) [2] Heiner Kallweit 5 (***) [16] Byungchul Park 6 (+17) [2] Wentao Liang 6 (+36) [16] Christian Marangi (Ansuel) 7 ( +5) [2] Stanislav Fomichev 7 (+26) [13] Alejandro Lucero Palau 8 ( +9) [2] Lorenzo Bianconi 8 (***) [11] Jeff Layton 9 (+12) [1] Jiayuan Chen 9 (***) [11] Pablo Neira Ayuso 10 (+29) [1] Kees Cook 10 ( -7) [11] Russell King Top scores (positive): Top scores (negative): 1 ( ) [356] Simon Horman 1 (+11) [68] Chia-Yu Chang 2 ( ) [347] Jakub Kicinski 2 (***) [64] Byungchul Park 3 ( ) [252] Andrew Lunn 3 (+27) [60] Christian Marangi (Ansuel) 4 ( ) [185] Paolo Abeni 4 ( +5) [55] Tony Nguyen 5 ( +6) [ 68] Jacob Keller 5 (+17) [52] Alejandro Lucero Palau 6 ( -1) [ 61] Willem de Bruijn 6 (***) [44] Ivan Vecera 7 (***) [ 57] Stanislav Fomichev 7 (***) [44] Jeff Layton 8 ( +1) [ 49] Krzysztof Kozlowski 8 ( -7) [38] Antonio Quartulli 9 (+15) [ 44] Vadim Fedorenko 9 (***) [35] Lukasz Majewski 10 ( -4) [ 40] Rob Herring 10 (***) [35] Christian Brauner Company rankings ---------------- Top reviewers (cs): Top reviewers (msg): 1 ( ) [40] RedHat 1 ( ) [104] RedHat 2 ( ) [31] Meta 2 ( ) [ 87] Meta 3 ( ) [17] Intel 3 ( ) [ 52] Intel 4 ( ) [14] Andrew Lunn 4 ( +1) [ 41] Andrew Lunn 5 ( ) [11] Google 5 ( -1) [ 37] Google 6 ( ) [ 7] nVidia 6 ( ) [ 16] nVidia 7 ( ) [ 6] Oracle 7 ( ) [ 16] Oracle Top authors (cs): Top authors (msg): 1 ( +1) [13] Meta 1 ( ) [72] Intel 2 ( -1) [ 9] RedHat 2 ( ) [58] Meta 3 ( +1) [ 8] Intel 3 ( ) [52] RedHat 4 ( -1) [ 6] Google 4 ( +1) [44] Google 5 ( ) [ 5] nVidia 5 ( +3) [28] Amazon 6 ( ) [ 4] Oracle 6 ( -2) [28] nVidia 7 (+29) [ 3] Marvell 7 ( +6) [25] AMD Top scores (positive): Top scores (negative): 1 ( ) [488] RedHat 1 ( +8) [70] AMD 2 ( ) [356] Meta 2 ( +8) [68] Nokia 3 ( ) [252] Andrew Lunn 3 (***) [64] SK Hynix 4 ( +1) [ 64] Linaro 4 (+18) [60] Christian Marangi (Ansuel) 5 ( +5) [ 54] Enfabrica 5 (+13) [52] Linutronix 6 ( ) [ 45] ARM 6 (***) [50] Microsoft 7 ( ) [ 45] Oracle 7 ( -5) [38] OpenVPN 8 ( -4) [ 42] Google The companies which support reviewers are quite stable. Any company on the "negative score" side is a net consumer of code reviews and should prioritize truly participating in the community. Google's drop to 8th position is somewhat interesting, I think it's primarily due to lower activity from Eric, and increase in gve patches. -- Code: https://github.com/kuba-moo/ml-stat Raw output: https://netdev.bots.linux.dev/static/nipa/stats-6.16/stdout
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