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Message-ID: <CAL+tcoBzHNt86-4OC7Jck1WBG+YuadWDhQrkyEPBaxQxcET6YQ@mail.gmail.com> Date: Wed, 13 Mar 2024 10:13:43 +0800 From: Jason Xing <kerneljasonxing@...il.com> To: Jakub Kicinski <kuba@...nel.org> Cc: netdev@...r.kernel.org, netdev-driver-reviewers@...r.kernel.org Subject: Re: [ANN] netdev development stats for 6.9 On Wed, Mar 13, 2024 at 3:44 AM Jakub Kicinski <kuba@...nel.org> wrote: > > Intro > ----- > > We have posted our pull requests with networking changes for the 6.9 > kernel release last night. 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 review participation. > > Previous stats (for 6.8): https://lore.kernel.org/all/20240109134053.33d317dd@kernel.org/ > > Testing > ------- > > The selftest runner went live early during this release. > I don't have any great ideas on how to quantify the progress > but, first, I'd like to thank everyone who contributed to improving > and fixing the tests, and those who contributed to NIPA directly. > We are reporting results from 243 tests to patchwork (not counting > kunit tests), each test on two kernel flavors and with many sub-cases. > > There's still work to be done fixing some of the tests but we made > more progress than I anticipated! There are 66 test + kernel config > combinations which we currently ignore, either because they permanently > skip / fail or are too flaky. I should mention that those tests do matter, > recently the ignored pmtu test would have caught a last minute xfrm > regression :( > > Speaking of catching regressions, I do not have an objective count but > subjectively our tests do in fact catch bugs. In fact the signal to noise > ratio is higher than I initially expected. I wish it was easier to write > driver tests and use YNL in the tests, but we'll get there.. > > General stats > ------------- > > Cycle started on Tue, 09 Jan, ended Mon, 11 Mar. That's 63 days, > one week shorter than the previous cycle. > > We have seen 264 msg/day on the list, and 24 commits/day. > The number of messages is back to the level we have seen in 6.6, > and has recovered after couple of slower releases (last one being > particularly slow due to the winter break). The number of commits > applied directly by netdev maintainers is 9% higher than in 6.6 > and highest on the record. > > The total number of review tags in git history have dipped again, > 61% of commits contain a review tag (down from 69%). The number > of commits with a review tag from an email domain different than > the author, however, dropped only by 1% to 53%. Similarly our statistic > of series which received at least one ack / review tag on the list did > not change much, increasing by 1% to 67%. > > Rankings > -------- > > As promised last time, the left side of the stats is now in "change > sets" (cs) rather than threads, IOW trying to track multiple revisions > of the same series as one. > > Top reviewers (cs): Top reviewers (msg): > 1 ( +1) [30] Jakub Kicinski 1 ( ) [66] Jakub Kicinski > 2 ( -1) [26] Simon Horman 2 ( ) [45] Simon Horman > 3 ( ) [14] Andrew Lunn 3 ( ) [44] Andrew Lunn > 4 ( +1) [12] Paolo Abeni 4 ( +3) [25] Jiri Pirko > 5 ( +4) [11] Jiri Pirko 5 ( ) [23] Eric Dumazet > 6 ( -2) [10] Eric Dumazet 6 ( +3) [20] Paolo Abeni > 7 ( ) [ 5] David Ahern 7 ( +1) [15] Krzysztof Kozlowski > 8 ( +6) [ 4] Stephen Hemminger 8 ( +2) [11] David Ahern > 9 ( +2) [ 4] Willem de Bruijn 9 ( +4) [10] Florian Fainelli > 10 ( ) [ 4] Krzysztof Kozlowski 10 ( -6) [10] Vladimir Oltean > 11 ( +1) [ 4] Florian Fainelli 11 ( -5) [ 9] Russell King > 12 ( -6) [ 4] Russell King 12 ( ) [ 9] Willem de Bruijn > 13 ( +3) [ 2] Jacob Keller 13 ( -2) [ 8] Sergey Shtylyov > 14 ( +1) [ 2] Rob Herring 14 ( +6) [ 7] Jacob Keller > 15 ( +2) [ 2] Jamal Hadi Salim 15 (+16) [ 7] Jason Wang > > Jiri jumps into top 5, reviewing various driver and netlink changes. > Stephen largely works on iproute2 reviews. Russell and Vladimir have > indicated that they are occupied outside of netdev, and slip by a few > positions. > > Thank you all for your work! > > Top authors (cs): Top authors (msg): > 1 ( +1) [7] Eric Dumazet 1 (+35) [40] Eric Dumazet > 2 ( -1) [7] Jakub Kicinski 2 ( +5) [26] Jakub Kicinski > 3 (+46) [4] Breno Leitao 3 ( +1) [20] Saeed Mahameed > 4 ( ) [3] Heiner Kallweit 4 (+18) [17] Xuan Zhuo > 5 ( +8) [2] Stephen Hemminger 5 (***) [15] Jason Xing > 6 (+24) [2] Paolo Abeni 6 (***) [15] Matthieu Baerts > 7 (+11) [2] Kuniyuki Iwashima 7 (***) [14] Breno Leitao > 8 (***) [2] Maks Mishin 8 ( -3) [14] Tony Nguyen > 9 ( +6) [2] Kunwu Chan 9 ( -3) [13] Kuniyuki Iwashima > 10 (***) [2] Matthieu Baerts 10 ( -8) [11] Christian Marangi > > Thanks to switching from threads to changes sets we see Eric rightfully > claim the #1 spot, previously occupied by yours truly. Breno added > missing MODULE_DESCRIPTION()s and refactored drivers using per-cpu > stats. Paolo contributed a number of MPTCP changes and many selftest > improvements. Maks Mishin sent a lot of individual iproute2 patches. > Xuan Zhuo is working on vhost / virtio changes for AF_XDP. > > Top scores (positive): Top scores (negative): > 1 ( +1) [398] Jakub Kicinski 1 ( +2) [80] Saeed Mahameed > 2 ( -1) [371] Simon Horman 2 (+17) [60] Xuan Zhuo > 3 ( ) [243] Andrew Lunn 3 (***) [46] Jason Xing > 4 ( +8) [160] Jiri Pirko 4 (***) [43] Yang Xiwen via B4 Relay > 5 ( +2) [152] Paolo Abeni 5 (***) [42] Matthieu Baerts > 6 ( +2) [ 78] Krzysztof Kozlowski 6 ( -2) [40] Tony Nguyen > 7 ( +2) [ 76] David Ahern 7 ( -6) [38] David Howells > 8 ( +2) [ 68] Willem de Bruijn 8 ( -6) [37] Christian Marangi > 9 ( +2) [ 60] Florian Fainelli 9 (+30) [37] Kory Maincent > 10 ( -5) [ 54] Russell King 10 (***) [36] Breno Leitao > > Corporate stats > --------------- > > Top reviewers (cs): Top reviewers (msg): > 1 ( ) [42] RedHat 1 ( ) [98] RedHat > 2 ( ) [32] Meta 2 ( ) [74] Meta > 3 ( +2) [16] Google 3 ( ) [44] Andrew Lunn > 4 ( ) [14] Andrew Lunn 4 ( +1) [43] Google > 5 ( -2) [13] Intel 5 ( -1) [36] Intel > 6 ( +1) [13] nVidia 6 ( +2) [31] Linaro > 7 ( +1) [ 8] Linaro 7 ( ) [31] nVidia > > Top authors (cs): Top authors (msg): > 1 ( +1) [12] RedHat 1 ( ) [69] Intel > 2 ( +2) [12] Meta 2 ( +2) [60] Meta > 3 ( -2) [10] Intel 3 ( +2) [55] Google > 4 ( -1) [10] Google 4 ( -1) [50] nVidia > 5 ( ) [ 7] nVidia 5 ( -3) [47] RedHat > 6 ( +2) [ 3] Huawei 6 ( +4) [32] Bootlin > 7 ( +7) [ 3] Wirecard 7 ( -1) [23] Alibaba > > Top scores (positive): Top scores (negative): > 1 ( ) [496] RedHat 1 ( +7) [89] Bootlin > 2 ( ) [303] Meta 2 ( ) [79] Alibaba > 3 ( ) [243] Andrew Lunn 3 (***) [46] Tencent > 4 ( +2) [138] Linaro 4 (***) [43] Yang Xiwen > 5 ( ) [ 79] Google 5 (***) [42] Tessares > 6 ( +2) [ 76] Enfabrica 6 ( +6) [38] AMD > 7 ( -3) [ 60] Oracle 7 ( -6) [37] Christian Marangi > > RedHat remains unbeatable with the combined powers of Simon and Paolo, > as well as high participation of the less active authors. > Alibaba maintains its strongly net-negative review score. > Tencent (Jason Xing) joins them (Tencent doesn't use their email > domain so it's likely under-counted). Yang Xiwen makes the negative Interesting numbers. Well, actually, I always send patches by using the company address and review patches by using my personal address, which probably makes my scores negative :S Next time I'll try to use the same address. Hope I will not appear on the top of the negative scores list. > list as well, cost of reposting large series too often... > -- > Code: https://github.com/kuba-moo/ml-stat > Raw output: https://netdev.bots.linux.dev/static/nipa/stats-6.9/stdout >
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