kernel

Files:

Name	Lines	Files	Authors	Tokens	change scale   Color Graph By Token Proportion

access-helper.h

13

-

1

91

Huacai Chen May 2022 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 91}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	91	100.00%
Total	91

acpi.c

396

-

5

1501

Huacai ChenChengwen FengBinbin ZhouBibo MaoThomas Gleixner February 2016May 2022June 2022July 2022August 2022November 2022December 2022June 2023February 2024July 2024September 2024November 2024May 2025April 2026 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 943}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 7}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 209}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 19}, {"author_id": 0, "token_count": 23}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 124}, ]}, {"timestamp": 1706774400, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 21}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 5, "token_count": 17}, ]}, {"timestamp": 1730444400, "group": [ {"author_id": 0, "token_count": 81}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 0, "token_count": 17}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 32, "token_count": 30}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1432	95.40%
Chengwen Feng	30	2.00%
Binbin Zhou	19	1.27%
Bibo Mao	17	1.13%
Thomas Gleixner	3	0.20%
Total	1501

alternative.c

247

-

4

1076

Huacai ChenYouling TangQing ZhangTiezhu Yang May 2022August 2022October 2022December 2022January 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 42}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, {"author_id": 1, "token_count": 4}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 6}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 1018}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 2, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1063	98.79%
Youling Tang	6	0.56%
Qing Zhang	4	0.37%
Tiezhu Yang	3	0.28%
Total	1076

asm-offsets.c

325

-

11

2249

Huacai ChenTianrui ZhaoQi HuArnd BergmannQing ZhangThomas WeißschuhXi RuoyaoBibo MaoDonglin PengThomas GleixnerOthers February 2016May 2022August 2022December 2022April 2023September 2023October 2023November 2023October 2024February 2025March 2025September 2025March 2026 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1848}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 22}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 60}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 58, "token_count": 4}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 58}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 16, "token_count": 189}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 21, "token_count": 24}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 26, "token_count": 13}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 26, "token_count": 2}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 5, "token_count": 9}, ]}, {"timestamp": 1756710000, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1772352000, "group": [ {"author_id": 8, "token_count": 14}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1908	84.84%
Tianrui Zhao	189	8.40%
Qi Hu	58	2.58%
Arnd Bergmann	24	1.07%
Qing Zhang	22	0.98%
Thomas Weißschuh	15	0.67%
Xi Ruoyao	14	0.62%
Bibo Mao	9	0.40%
Donglin Peng	4	0.18%
Thomas Gleixner	3	0.13%
Others	3	0.13%
Total	2249

cacheinfo.c

92

-

1

466

Huacai Chen May 2022June 2022July 2022October 2022January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 303}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 9}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 143}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 0, "token_count": 9}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	466	100.00%
Total	466

cpu-probe.c

415

-

6

1850

Huacai ChenJiaxun YangQi HuTiezhu YangGeorge GuoJianmin Lv May 2022June 2022October 2022January 2023April 2023June 2023September 2023August 2024September 2024January 2025October 2025November 2025December 2025February 2026April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1155}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 12, "token_count": 1}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 19}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 64}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 59}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 0, "token_count": 12}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 14, "token_count": 152}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 14, "token_count": 12}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 0, "token_count": 165}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 74}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 66}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 25, "token_count": 18}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 0, "token_count": 30}, {"author_id": 2, "token_count": 18}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1587	85.78%
Jiaxun Yang	164	8.86%
Qi Hu	59	3.19%
Tiezhu Yang	21	1.14%
George Guo	18	0.97%
Jianmin Lv	1	0.05%
Total	1850

crash_dump.c

23

-

2

87

Youling TangHuacai Chen May 2022October 2022 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 86}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	86	98.85%
Huacai Chen	1	1.15%
Total	87

dma.c

25

-

3

112

Jianmin LvHuacai ChenRobin Murphy May 2022September 2022April 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 28}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 12, "token_count": 80}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 57, "token_count": 4}, ]}, ]

Author Name	Tokens	Token Proportion
Jianmin Lv	80	71.43%
Huacai Chen	28	25.00%
Robin Murphy	4	3.57%
Total	112

efi.c

166

-

10

649

Huacai ChenArd BiesheuvelBinbin ZhouThomas ZimmermannArnd BergmannWang ShankerMing WangOthers April 2016June 2020October 2020March 2021May 2022August 2022September 2022October 2022December 2022March 2023July 2023October 2023January 2024August 2024December 2024June 2025November 2025December 2025 var spanGroupData = [ {"timestamp": 1459494000, "group": [ {"author_id": 13, "token_count": 15}, ]}, {"timestamp": 1590994800, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1601535600, "group": [ {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1614585600, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 275}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 13, "token_count": 141}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 13, "token_count": 60}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 49}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 13, "token_count": 6}, ]}, {"timestamp": 1688194800, "group": [ {"author_id": 31, "token_count": 2}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 21, "token_count": 20}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 36, "token_count": 19}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 0, "token_count": 4}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 34, "token_count": 15}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 31, "token_count": 27}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 7}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	290	44.68%
Ard Biesheuvel	222	34.21%
Binbin Zhou	49	7.55%
Thomas Zimmermann	29	4.47%
Arnd Bergmann	20	3.08%
Wang Shanker	19	2.93%
Ming Wang	15	2.31%
Others	5	0.77%
Total	649

elf.c

24

-

1

70

Huacai Chen May 2022 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 70}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	70	100.00%
Total	70

env.c

119

-

7

470

Huacai ChenBinbin ZhouArd BiesheuvelYao ZiTao CuilijunMiaoqian Lin May 2022September 2022December 2022January 2024March 2025August 2025September 2025December 2025March 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 277}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 13, "token_count": 18}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 4}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 7, "token_count": 114}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 56, "token_count": 5}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 38, "token_count": 17}, ]}, {"timestamp": 1756710000, "group": [ {"author_id": 42, "token_count": 10}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 15}, ]}, {"timestamp": 1772352000, "group": [ {"author_id": 44, "token_count": 10}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	292	62.13%
Binbin Zhou	118	25.11%
Ard Biesheuvel	18	3.83%
Yao Zi	17	3.62%
Tao Cui	10	2.13%
lijun	10	2.13%
Miaoqian Lin	5	1.06%
Total	470

ftrace.c

73

-

1

238

Qing Zhang December 2022 var spanGroupData = [ {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 238}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	238	100.00%
Total	238

ftrace_dyn.c

351

-

10

1346

Qing ZhangTiezhu YangYouling TangMasami HiramatsuStephen BrennanAlan KaoXi RuoyaoSebastian Andrzej SiewiorHuacai ChenOthers December 2017May 2022August 2022October 2022December 2022February 2023May 2023May 2024October 2024December 2024January 2025 var spanGroupData = [ {"timestamp": 1512115200, "group": [ {"author_id": 52, "token_count": 7}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 8, "token_count": 6}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 874}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 253}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 3, "token_count": 172}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 47, "token_count": 8}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 39, "token_count": 14}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 41, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	877	65.16%
Tiezhu Yang	253	18.80%
Youling Tang	172	12.78%
Masami Hiramatsu	14	1.04%
Stephen Brennan	8	0.59%
Alan Kao	7	0.52%
Xi Ruoyao	6	0.45%
Sebastian Andrzej Siewior	5	0.37%
Huacai Chen	1	0.07%
Others	3	0.22%
Total	1346

hw_breakpoint.c

575

-

4

2339

Qing ZhangHui LiHuacai ChenTiezhu Yang May 2022February 2023June 2023June 2024July 2024January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 52}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 2114}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 1, "token_count": 4}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 15, "token_count": 156}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 2, "token_count": 11}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 2, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	2118	90.55%
Hui Li	156	6.67%
Huacai Chen	52	2.22%
Tiezhu Yang	13	0.56%
Total	2339

idle.c

16

-

2

28

Huacai ChenPeter Zijlstra May 2022January 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 25}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 43, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	25	89.29%
Peter Zijlstra	3	10.71%
Total	28

image-vars.h

20

-

4

49

Huacai ChenArnd BergmannThomas ZimmermannThomas Gleixner May 2019May 2022August 2022October 2023November 2025 var spanGroupData = [ {"timestamp": 1556694000, "group": [ {"author_id": 28, "token_count": 1}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 30}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 21, "token_count": 13}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 31, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	33	67.35%
Arnd Bergmann	13	26.53%
Thomas Zimmermann	2	4.08%
Thomas Gleixner	1	2.04%
Total	49

inst.c

443

-

7

2089

Tiezhu YangQing ZhangDuan ChenghaoHuacai ChenRui Y WangYouling TangXi Ruoyao May 2022October 2022December 2022January 2023February 2023June 2023December 2024August 2025October 2025March 2026April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 246}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 2, "token_count": 6}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 340}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 3, "token_count": 50}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 26}, {"author_id": 2, "token_count": 883}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 10, "token_count": 119}, {"author_id": 2, "token_count": 75}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 2, "token_count": 2}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 11, "token_count": 251}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 2, "token_count": 31}, ]}, {"timestamp": 1772352000, "group": [ {"author_id": 2, "token_count": 47}, {"author_id": 8, "token_count": 6}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 3, "token_count": 7}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	1044	49.98%
Qing Zhang	366	17.52%
Duan Chenghao	251	12.02%
Huacai Chen	246	11.78%
Rui Y Wang	119	5.70%
Youling Tang	57	2.73%
Xi Ruoyao	6	0.29%
Total	2089

irq.c

132

-

5

567

Huacai ChenJianmin LvIcenowy ZhengBart Van AsscheBibo Mao May 2022June 2022July 2022May 2024August 2024October 2024March 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 295}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 2}, {"author_id": 12, "token_count": 191}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 5}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 0, "token_count": 45}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 54, "token_count": 6}, ]}, {"timestamp": 1772352000, "group": [ {"author_id": 29, "token_count": 21}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	344	60.67%
Jianmin Lv	191	33.69%
Icenowy Zheng	21	3.70%
Bart Van Assche	6	1.06%
Bibo Mao	5	0.88%
Total	567

jump_label.c

30

-

2

91

Youling TangQing Zhang December 2022June 2023April 2026 var spanGroupData = [ {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 3, "token_count": 72}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 3, "token_count": 16}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	88	96.70%
Qing Zhang	3	3.30%
Total	91

kdebugfs.c

168

-

1

769

Huacai Chen May 2022December 2022January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 17}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 0, "token_count": 751}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	769	100.00%
Total	769

kexec_efi.c

113

-

1

435

Youling Tang October 2022October 2025November 2025 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 5}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 3, "token_count": 428}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 3, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	435	100.00%
Total	435

kexec_elf.c

105

-

1

476

Youling Tang October 2022October 2025November 2025 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 13}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 3, "token_count": 461}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 3, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	476	100.00%
Total	476

kfpu.c

109

-

2

377

Huacai ChenTianyang Zhang May 2022August 2022May 2023September 2023May 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 50}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 0, "token_count": 103}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 0, "token_count": 161}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 17, "token_count": 60}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	317	84.08%
Tianyang Zhang	60	15.92%
Total	377

kgdb.c

728

-

6

3994

Qing ZhangHuacai ChenYuli WangWang XueruiQi HuOthers May 2022May 2023September 2023March 2025February 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 64}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 6, "token_count": 3}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 2}, {"author_id": 1, "token_count": 3914}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 37, "token_count": 10}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 60, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	3914	98.00%
Huacai Chen	64	1.60%
Yuli Wang	10	0.25%
Wang Xuerui	3	0.08%
Qi Hu	2	0.05%
Others	1	0.03%
Total	3994

kprobes.c

340

-

4

1272

Tiezhu YangHuacai ChenQing ZhangOthers May 2022February 2023June 2023July 2024May 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 27}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 12}, {"author_id": 2, "token_count": 1164}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 2, "token_count": 38}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1777618800, "group": [ {"author_id": 2, "token_count": 29}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	1231	96.78%
Huacai Chen	27	2.12%
Qing Zhang	12	0.94%
Others	2	0.16%
Total	1272

machine_kexec.c

295

-

3

1054

Youling TangHuacai ChenTiezhu Yang May 2022October 2022May 2024March 2025October 2025November 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 971}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 2, "token_count": 2}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 3, "token_count": 69}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 6}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	1040	98.67%
Huacai Chen	9	0.85%
Tiezhu Yang	5	0.47%
Total	1054

machine_kexec_file.c

239

-

2

1024

Youling TangKees Cook October 2022October 2025November 2025February 2026 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 13}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 3, "token_count": 1007}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 3, "token_count": 2}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 45, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	1022	99.80%
Kees Cook	2	0.20%
Total	1024

mem.c

62

-

1

226

Huacai Chen May 2022September 2023November 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 201}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 0, "token_count": 5}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 20}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	226	100.00%
Total	226

module-sections.c

186

-

5

1106

Huacai ChenXi RuoyaoKanglong WangQing ZhangBibo Mao May 2022October 2022December 2022September 2023August 2025December 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 705}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 8, "token_count": 188}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 73}, {"author_id": 1, "token_count": 40}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 18, "token_count": 94}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	781	70.61%
Xi Ruoyao	188	17.00%
Kanglong Wang	94	8.50%
Qing Zhang	40	3.62%
Bibo Mao	3	0.27%
Total	1106

module.c

633

-

4

3353

Huacai ChenXi RuoyaoTiezhu YangQing Zhang May 2022August 2022October 2022December 2022September 2023March 2024December 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2234}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 8, "token_count": 294}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 196}, {"author_id": 1, "token_count": 81}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 2, "token_count": 49}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 84}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 412}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	2842	84.76%
Xi Ruoyao	294	8.77%
Tiezhu Yang	133	3.97%
Qing Zhang	84	2.51%
Total	3353

numa.c

267

-

4

978

Huacai ChenBibo MaoBinbin ZhouOthers May 2022December 2022September 2023October 2023May 2025November 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 859}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 49}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 1}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 5, "token_count": 49}, {"author_id": 0, "token_count": 14}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	876	89.57%
Bibo Mao	50	5.11%
Binbin Zhou	49	5.01%
Others	3	0.31%
Total	978

paravirt.c

333

-

4

1285

Bibo MaoHuacai ChenTianyang ZhangPeter Zijlstra May 2022May 2024July 2024August 2024September 2024November 2024May 2025February 2026April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 38}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 632}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 5, "token_count": 440}, {"author_id": 0, "token_count": 16}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 17, "token_count": 13}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 5, "token_count": 49}, ]}, {"timestamp": 1730444400, "group": [ {"author_id": 5, "token_count": 57}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 43, "token_count": 3}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 5, "token_count": 32}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 5, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Bibo Mao	1215	94.55%
Huacai Chen	54	4.20%
Tianyang Zhang	13	1.01%
Peter Zijlstra	3	0.23%
Total	1285

perf_event.c

892

-

4

3841

Huacai ChenLisa RobinsonTiezhu YangBibo Mao October 2022June 2023April 2024May 2024November 2025January 2026 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 3759}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 6}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 5, "token_count": 1}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 8}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 2, "token_count": 13}, ]}, {"timestamp": 1767254400, "group": [ {"author_id": 22, "token_count": 54}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3765	98.02%
Lisa Robinson	54	1.41%
Tiezhu Yang	13	0.34%
Bibo Mao	9	0.23%
Total	3841

perf_regs.c

53

-

1

178

Huacai Chen October 2022 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 178}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	178	100.00%
Total	178

proc.c

132

-

5

764

Huacai ChenJiaxun YangGeorge GuoTiezhu YangYuli Wang May 2022July 2022April 2023June 2023September 2024February 2025November 2025December 2025February 2026April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 582}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 10}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 18}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 14, "token_count": 40}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 37, "token_count": 5}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 18}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 45}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 25, "token_count": 34}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 2, "token_count": 11}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	674	88.22%
Jiaxun Yang	40	5.24%
George Guo	34	4.45%
Tiezhu Yang	11	1.44%
Yuli Wang	5	0.65%
Total	764

process.c

408

-

12

1725

Huacai ChenQing ZhangCharlie JenkinsQi HuThomas WeißschuhLisa RobinsonJinyang HeJason A. DonenfeldBibo MaoTiezhu YangOthers May 2022June 2022August 2022October 2022November 2022December 2022January 2023February 2023June 2023August 2023September 2023October 2024March 2025May 2025September 2025December 2025February 2026April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1038}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 47}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 360}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 50, "token_count": 4}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 0, "token_count": 5}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 15}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 4}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 14}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 23}, {"author_id": 2, "token_count": 1}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, {"author_id": 4, "token_count": 49}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 26, "token_count": 10}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 19, "token_count": 89}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 19, "token_count": 4}, ]}, {"timestamp": 1756710000, "group": [ {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 43}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 26, "token_count": 3}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 22, "token_count": 9}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1171	67.88%
Qing Zhang	374	21.68%
Charlie Jenkins	93	5.39%
Qi Hu	49	2.84%
Thomas Weißschuh	13	0.75%
Lisa Robinson	9	0.52%
Jinyang He	4	0.23%
Jason A. Donenfeld	4	0.23%
Bibo Mao	3	0.17%
Tiezhu Yang	1	0.06%
Others	4	0.23%
Total	1725

ptrace.c

1095

-

6

5472

Huacai ChenQing ZhangQi HuHui LiDave P MartinTiezhu Yang May 2022July 2022February 2023April 2023June 2023August 2023September 2023June 2024July 2024January 2025July 2025December 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2692}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 4, "token_count": 15}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 1950}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 1, "token_count": 35}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 445}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 0, "token_count": 10}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 198}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 15, "token_count": 62}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 2, "token_count": 17}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1751353200, "group": [ {"author_id": 30, "token_count": 32}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 13}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3160	57.75%
Qing Zhang	1985	36.28%
Qi Hu	213	3.89%
Hui Li	62	1.13%
Dave P Martin	32	0.58%
Tiezhu Yang	20	0.37%
Total	5472

relocate.c

361

-

7

1732

Youling TangRui Y WangXi RuoyaoHuacai ChenYuqian YangTiezhu YangQing Zhang February 2023September 2023November 2023July 2024October 2025December 2025April 2026May 2026 var spanGroupData = [ {"timestamp": 1675238400, "group": [ {"author_id": 3, "token_count": 1265}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 0, "token_count": 21}, {"author_id": 10, "token_count": 1}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 29}, {"author_id": 8, "token_count": 119}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 3, "token_count": 4}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 17}, {"author_id": 2, "token_count": 6}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 23, "token_count": 60}, ]}, {"timestamp": 1777618800, "group": [ {"author_id": 10, "token_count": 207}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	1269	73.27%
Rui Y Wang	208	12.01%
Xi Ruoyao	119	6.87%
Huacai Chen	67	3.87%
Yuqian Yang	60	3.46%
Tiezhu Yang	6	0.35%
Qing Zhang	3	0.17%
Total	1732

reset.c

79

-

2

230

Huacai ChenMarco Crivellari May 2022August 2022December 2022February 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 195}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 13}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 13}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 46, "token_count": 9}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	221	96.09%
Marco Crivellari	9	3.91%
Total	230

rethook.c

28

-

3

97

jianghaoranTiezhu YangHuacai Chen May 2022February 2023June 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 11}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 28}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 20, "token_count": 58}, ]}, ]

Author Name	Tokens	Token Proportion
jianghaoran	58	59.79%
Tiezhu Yang	28	28.87%
Huacai Chen	11	11.34%
Total	97

rethook.h

8

-

3

36

jianghaoranTiezhu YangHuacai Chen May 2022February 2023June 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 12}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 20, "token_count": 22}, ]}, ]

Author Name	Tokens	Token Proportion
jianghaoran	22	61.11%
Tiezhu Yang	12	33.33%
Huacai Chen	2	5.56%
Total	36

setup.c

620

-

21

2457

Huacai ChenBinbin ZhouYouling TangZhihong DongQiang MaQing ZhangIcenowy ZhengArd BiesheuvelTiezhu YangMing WangThomas GleixnerBibo MaoUsama ArifJiaxun YangKees CookOthers February 2016May 2022June 2022July 2022August 2022September 2022October 2022December 2022February 2023April 2023June 2023July 2023September 2023October 2023January 2024March 2024June 2024July 2024September 2024October 2024January 2025March 2025June 2025August 2025October 2025November 2025December 2025February 2026 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1495}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 7}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 2, "token_count": 6}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 13, "token_count": 11}, {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 2}, {"author_id": 3, "token_count": 156}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 445}, {"author_id": 0, "token_count": 35}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 3, "token_count": 4}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 58}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 28, "token_count": 4}, ]}, {"timestamp": 1688194800, "group": [ {"author_id": 24, "token_count": 59}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 1, "token_count": 8}, {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 29, "token_count": 11}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 7, "token_count": 21}, {"author_id": 3, "token_count": 28}, {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 3}, {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 14, "token_count": 5}, {"author_id": 2, "token_count": 1}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 5, "token_count": 4}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 0, "token_count": 5}, {"author_id": 55, "token_count": 5}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 34, "token_count": 9}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 0, "token_count": 4}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 13}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 27, "token_count": 34}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 45, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1622	66.02%
Binbin Zhou	466	18.97%
Youling Tang	188	7.65%
Zhihong Dong	59	2.40%
Qiang Ma	34	1.38%
Qing Zhang	11	0.45%
Icenowy Zheng	11	0.45%
Ard Biesheuvel	11	0.45%
Tiezhu Yang	10	0.41%
Ming Wang	9	0.37%
Thomas Gleixner	7	0.28%
Bibo Mao	7	0.28%
Usama Arif	5	0.20%
Jiaxun Yang	5	0.20%
Kees Cook	1	0.04%
Others	11	0.45%
Total	2457

signal.c

1051

-

6

5834

Huacai ChenQi HuBibo MaoXi RuoyaoThomas GleixnerOthers February 2016May 2022June 2023September 2023December 2023August 2025March 2026 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 3993}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 720}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 5}, {"author_id": 4, "token_count": 1092}, ]}, {"timestamp": 1701417600, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 0, "token_count": 15}, ]}, {"timestamp": 1772352000, "group": [ {"author_id": 8, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	4728	81.04%
Qi Hu	1092	18.72%
Bibo Mao	5	0.09%
Xi Ruoyao	3	0.05%
Thomas Gleixner	3	0.05%
Others	3	0.05%
Total	5834

smp.c

856

-

11

3261

Huacai ChenBibo MaoTianyang ZhangBinbin ZhouThierry RedingJiaxun YangThomas GleixnerDavid WangTiezhu YangOthers February 2016May 2022July 2022November 2022December 2022February 2023March 2023June 2023August 2023September 2023November 2023January 2024February 2024May 2024June 2024July 2024August 2024September 2024November 2024December 2024March 2025May 2025October 2025February 2026 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 5}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2172}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 5, "token_count": 37}, {"author_id": 0, "token_count": 11}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 0, "token_count": 22}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 5, "token_count": 16}, {"author_id": 7, "token_count": 80}, {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 26}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 2, "token_count": 1}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 8}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 7, "token_count": 14}, ]}, {"timestamp": 1706774400, "group": [ {"author_id": 0, "token_count": 355}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 79}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 14, "token_count": 18}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 56}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 17, "token_count": 30}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 5, "token_count": 4}, ]}, {"timestamp": 1730444400, "group": [ {"author_id": 0, "token_count": 25}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 59, "token_count": 4}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 0, "token_count": 148}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 17, "token_count": 77}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 35, "token_count": 20}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 0, "token_count": 46}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	2865	87.86%
Bibo Mao	144	4.42%
Tianyang Zhang	107	3.28%
Binbin Zhou	94	2.88%
Thierry Reding	20	0.61%
Jiaxun Yang	18	0.55%
Thomas Gleixner	5	0.15%
David Wang	4	0.12%
Tiezhu Yang	1	0.03%
Others	3	0.09%
Total	3261

stacktrace.c

122

-

5

611

Qing ZhangJinyang HeTiezhu YangHuacai ChenEnze Li May 2022August 2022September 2023March 2024September 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 12}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 506}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 51, "token_count": 7}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 9, "token_count": 60}, {"author_id": 2, "token_count": 9}, ]}, {"timestamp": 1756710000, "group": [ {"author_id": 2, "token_count": 17}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	506	82.82%
Jinyang He	60	9.82%
Tiezhu Yang	26	4.26%
Huacai Chen	12	1.96%
Enze Li	7	1.15%
Total	611

syscall.c

84

-

5

414

Huacai ChenArnd BergmannruanjinjieGreg Kroah-HartmanBibo Mao May 2022September 2023April 2024June 2024July 2024December 2025April 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 349}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 21, "token_count": 12}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 21, "token_count": 2}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 40, "token_count": 13}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 27}, ]}, {"timestamp": 1775026800, "group": [ {"author_id": 49, "token_count": 8}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	376	90.82%
Arnd Bergmann	14	3.38%
ruanjinjie	13	3.14%
Greg Kroah-Hartman	8	1.93%
Bibo Mao	3	0.72%
Total	414

sysrq.c

65

-

2

192

Huacai ChenOthers October 2022July 2023 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 191}, ]}, {"timestamp": 1688194800, "group": [ {"author_id": 60, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	191	99.48%
Others	1	0.52%
Total	192

time.c

246

-

7

839

Huacai ChenBibo MaoXianglai LiTiezhu YangThomas GleixnerJiaxun YangPeter Zijlstra February 2016May 2022July 2022December 2022February 2023May 2023September 2023November 2023May 2024July 2024November 2024January 2025August 2025December 2025 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 28, "token_count": 10}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 671}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 13}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 17}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 11}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 43, "token_count": 4}, {"author_id": 28, "token_count": 1}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 1}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 5, "token_count": 19}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 7}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1730444400, "group": [ {"author_id": 0, "token_count": 14}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 14, "token_count": 8}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 33, "token_count": 28}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 32}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	747	89.03%
Bibo Mao	30	3.58%
Xianglai Li	28	3.34%
Tiezhu Yang	11	1.31%
Thomas Gleixner	11	1.31%
Jiaxun Yang	8	0.95%
Peter Zijlstra	4	0.48%
Total	839

topology.c

18

-

4

48

Huacai ChenTiezhu YangOthers May 2022October 2022November 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 40}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 60, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	40	83.33%
Tiezhu Yang	3	6.25%
Others	5	10.42%
Total	48

traps.c

1211

-

8

5228

Huacai ChenWang XueruiTiezhu YangQing ZhangYouling TangQi HuDuan ChenghaoBibo Mao May 2022August 2022September 2022October 2022December 2022February 2023May 2023June 2023August 2023September 2023March 2024October 2024January 2025April 2025November 2025December 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2720}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, {"author_id": 1, "token_count": 42}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 75}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 111}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 0, "token_count": 35}, {"author_id": 1, "token_count": 131}, {"author_id": 2, "token_count": 8}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 6, "token_count": 1402}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 257}, {"author_id": 2, "token_count": 14}, {"author_id": 6, "token_count": 1}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 2, "token_count": 13}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 6}, {"author_id": 4, "token_count": 71}, {"author_id": 1, "token_count": 28}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 161}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 0, "token_count": 12}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 0, "token_count": 32}, ]}, {"timestamp": 1743490800, "group": [ {"author_id": 2, "token_count": 48}, ]}, {"timestamp": 1761980400, "group": [ {"author_id": 0, "token_count": 6}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 11, "token_count": 31}, {"author_id": 0, "token_count": 20}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3197	61.15%
Wang Xuerui	1403	26.84%
Tiezhu Yang	244	4.67%
Qing Zhang	201	3.84%
Youling Tang	75	1.43%
Qi Hu	71	1.36%
Duan Chenghao	31	0.59%
Bibo Mao	6	0.11%
Total	5228

unaligned.c

511

-

1

1759

Huacai Chen May 2022December 2022January 2025December 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 25}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 1712}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 0, "token_count": 20}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1759	100.00%
Total	1759

unwind.c

32

-

3

151

Qing ZhangJinyang HeHuacai Chen May 2022August 2022December 2022January 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 4}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 117}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 17}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 13}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	134	88.74%
Jinyang He	13	8.61%
Huacai Chen	4	2.65%
Total	151

unwind_guess.c

27

-

3

106

Qing ZhangHuacai ChenJinyang He May 2022August 2022December 2022January 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 7}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, {"author_id": 1, "token_count": 86}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 7}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	89	83.96%
Huacai Chen	10	9.43%
Jinyang He	7	6.60%
Total	106

unwind_orc.c

524

-

8

2396

Tiezhu YangQing ZhangHuacai ChenJinyang HeSebastian Andrzej SiewiorBibo MaoKees CookOthers January 2017October 2017May 2022August 2022December 2022January 2023September 2023March 2024January 2025June 2025December 2025February 2026 var spanGroupData = [ {"timestamp": 1483257600, "group": [ {"author_id": 45, "token_count": 2}, ]}, {"timestamp": 1506841200, "group": [ {"author_id": 60, "token_count": 2}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 50}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 62}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 17}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 17}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 2150}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 41, "token_count": 6}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 2, "token_count": 13}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 2, "token_count": 73}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	2236	93.32%
Qing Zhang	79	3.30%
Huacai Chen	51	2.13%
Jinyang He	17	0.71%
Sebastian Andrzej Siewior	6	0.25%
Bibo Mao	3	0.13%
Kees Cook	2	0.08%
Others	2	0.08%
Total	2396

unwind_prologue.c

262

-

5

1078

Qing ZhangJinyang HeHuacai ChenTiezhu YangKaiLong Wang May 2022August 2022November 2022December 2022January 2023April 2023December 2023February 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 20}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, {"author_id": 1, "token_count": 553}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 53, "token_count": 6}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 78}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 394}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 2, "token_count": 9}, ]}, {"timestamp": 1701417600, "group": [ {"author_id": 9, "token_count": 4}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 2, "token_count": 11}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	631	58.53%
Jinyang He	398	36.92%
Huacai Chen	23	2.13%
Tiezhu Yang	20	1.86%
KaiLong Wang	6	0.56%
Total	1078

uprobes.c

144

-

2

645

Tiezhu YangHuacai Chen May 2022June 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 6}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 2, "token_count": 639}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	639	99.07%
Huacai Chen	6	0.93%
Total	645

vdso.c

127

-

8

527

Huacai ChenThomas WeißschuhGuangshuo LiTiezhu YangKees CookJason A. DonenfeldYuli WangOthers May 2022August 2022October 2022June 2023February 2024October 2024February 2025May 2025September 2025February 2026 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 454}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 18}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 50, "token_count": 3}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 2, "token_count": 6}, ]}, {"timestamp": 1706774400, "group": [ {"author_id": 60, "token_count": 3}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 0, "token_count": 20}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 26, "token_count": 5}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 37, "token_count": 2}, ]}, {"timestamp": 1756710000, "group": [ {"author_id": 48, "token_count": 8}, ]}, {"timestamp": 1769932800, "group": [ {"author_id": 45, "token_count": 5}, {"author_id": 26, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	492	93.36%
Thomas Weißschuh	8	1.52%
Guangshuo Li	8	1.52%
Tiezhu Yang	6	1.14%
Kees Cook	5	0.95%
Jason A. Donenfeld	3	0.57%
Yuli Wang	2	0.38%
Others	3	0.57%
Total	527