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

387

-

4

1457

Huacai ChenBinbin ZhouBibo MaoThomas Gleixner February 2016May 2022June 2022July 2022August 2022November 2022December 2022June 2023February 2024July 2024September 2024November 2024May 2025 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 22, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 938}, ]}, {"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": 115}, ]}, {"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}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1418	97.32%
Binbin Zhou	19	1.30%
Bibo Mao	17	1.17%
Thomas Gleixner	3	0.21%
Total	1457

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

321

-

9

2232

Huacai ChenTianrui ZhaoQi HuArnd BergmannQing ZhangThomas WeißschuhBibo MaoDonglin PengThomas Gleixner February 2016May 2022August 2022December 2022April 2023September 2023October 2023November 2023October 2024February 2025March 2025 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 22, "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": 41, "token_count": 4}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 58}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 14, "token_count": 189}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 19, "token_count": 24}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 21, "token_count": 13}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 21, "token_count": 2}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 5, "token_count": 9}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1908	85.48%
Tianrui Zhao	189	8.47%
Qi Hu	58	2.60%
Arnd Bergmann	24	1.08%
Qing Zhang	22	0.99%
Thomas Weißschuh	15	0.67%
Bibo Mao	9	0.40%
Donglin Peng	4	0.18%
Thomas Gleixner	3	0.13%
Total	2232

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

355

-

5

1541

Huacai ChenJiaxun YangQi HuJianmin LvTiezhu Yang May 2022June 2022October 2022January 2023April 2023June 2023September 2023August 2024September 2024January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1178}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 10, "token_count": 9}, ]}, {"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": 11, "token_count": 183}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 11, "token_count": 12}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1275	82.74%
Jiaxun Yang	195	12.65%
Qi Hu	59	3.83%
Jianmin Lv	9	0.58%
Tiezhu Yang	3	0.19%
Total	1541

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": 10, "token_count": 80}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 40, "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

163

-

10

638

Huacai ChenArd BiesheuvelBinbin ZhouWang ShankerArnd BergmannMing WangPalmer DabbeltMichael KelleyAtish PatraOthers April 2016July 2017September 2020October 2020August 2021May 2022August 2022September 2022October 2022December 2022March 2023October 2023January 2024August 2024December 2024June 2025 var spanGroupData = [ {"timestamp": 1459494000, "group": [ {"author_id": 12, "token_count": 63}, ]}, {"timestamp": 1498892400, "group": [ {"author_id": 42, "token_count": 4}, ]}, {"timestamp": 1598943600, "group": [ {"author_id": 45, "token_count": 4}, ]}, {"timestamp": 1601535600, "group": [ {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1627801200, "group": [ {"author_id": 43, "token_count": 4}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 281}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 7}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 12, "token_count": 145}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 12, "token_count": 14}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 49}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 12, "token_count": 6}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 19, "token_count": 19}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 24, "token_count": 19}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 0, "token_count": 4}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 26, "token_count": 15}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	295	46.24%
Ard Biesheuvel	228	35.74%
Binbin Zhou	49	7.68%
Wang Shanker	19	2.98%
Arnd Bergmann	19	2.98%
Ming Wang	15	2.35%
Palmer Dabbelt	4	0.63%
Michael Kelley	4	0.63%
Atish Patra	4	0.63%
Others	1	0.16%
Total	638

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

112

-

4

444

Huacai ChenBinbin ZhouArd BiesheuvelMiaoqian Lin May 2022September 2022December 2022January 2024March 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 278}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 12, "token_count": 18}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 4}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 7, "token_count": 139}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 39, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	278	62.61%
Binbin Zhou	143	32.21%
Ard Biesheuvel	18	4.05%
Miaoqian Lin	5	1.13%
Total	444

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 SiewiorSteven RostedtHuacai Chen December 2017May 2022August 2022October 2022December 2022February 2023May 2023May 2024October 2024December 2024January 2025 var spanGroupData = [ {"timestamp": 1512115200, "group": [ {"author_id": 35, "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": 31, "token_count": 8}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 47, "token_count": 3}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 27, "token_count": 14}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 28, "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%
Steven Rostedt	3	0.22%
Huacai Chen	1	0.07%
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": 13, "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": 32, "token_count": 3}, ]}, ]

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

image-vars.h

20

-

3

49

Huacai ChenArnd BergmannThomas Gleixner May 2019May 2022August 2022October 2023 var spanGroupData = [ {"timestamp": 1556694000, "group": [ {"author_id": 22, "token_count": 1}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 32}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 19, "token_count": 13}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	35	71.43%
Arnd Bergmann	13	26.53%
Thomas Gleixner	1	2.04%
Total	49

inst.c

338

-

5

1633

Tiezhu YangQing ZhangHuacai ChenRui Y WangYouling Tang May 2022December 2022January 2023February 2023June 2023December 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 201}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 335}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 3, "token_count": 48}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 26}, {"author_id": 2, "token_count": 883}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 18, "token_count": 73}, {"author_id": 2, "token_count": 65}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 2, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	950	58.18%
Qing Zhang	361	22.11%
Huacai Chen	201	12.31%
Rui Y Wang	73	4.47%
Youling Tang	48	2.94%
Total	1633

irq.c

126

-

4

546

Huacai ChenJianmin LvBart Van AsscheBibo Mao May 2022June 2022July 2022May 2024August 2024October 2024 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": 10, "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": 37, "token_count": 6}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	344	63.00%
Jianmin Lv	191	34.98%
Bart Van Assche	6	1.10%
Bibo Mao	5	0.92%
Total	546

jump_label.c

22

-

1

75

Youling Tang June 2023 var spanGroupData = [ {"timestamp": 1685602800, "group": [ {"author_id": 3, "token_count": 75}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	75	100.00%
Total	75

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

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": 15, "token_count": 60}, ]}, ]

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

kgdb.c

728

-

5

3999

Qing ZhangHuacai ChenYuli WangWang XueruiQi Hu May 2022May 2023September 2023March 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 82}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 6, "token_count": 3}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 2}, {"author_id": 1, "token_count": 3902}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 25, "token_count": 10}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	3902	97.57%
Huacai Chen	82	2.05%
Yuli Wang	10	0.25%
Wang Xuerui	3	0.08%
Qi Hu	2	0.05%
Total	3999

kprobes.c

338

-

3

1264

Tiezhu YangHuacai ChenOleg Nesterov May 2022February 2023June 2023July 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 25}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 1199}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 2, "token_count": 38}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 56, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	1237	97.86%
Huacai Chen	25	1.98%
Oleg Nesterov	2	0.16%
Total	1264

machine_kexec.c

304

-

3

1123

Youling TangTiezhu YangHuacai Chen May 2022October 2022May 2024March 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 3, "token_count": 1115}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 2, "token_count": 3}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 2, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	1115	99.29%
Tiezhu Yang	5	0.45%
Huacai Chen	3	0.27%
Total	1123

mem.c

63

-

1

230

Huacai Chen May 2022September 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 225}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 0, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	230	100.00%
Total	230

module-sections.c

185

-

4

1100

Huacai ChenXi RuoyaoQing ZhangBibo Mao May 2022October 2022December 2022September 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 797}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 8, "token_count": 187}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 73}, {"author_id": 1, "token_count": 40}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	870	79.09%
Xi Ruoyao	187	17.00%
Qing Zhang	40	3.64%
Bibo Mao	3	0.27%
Total	1100

module.c

537

-

4

2883

Huacai ChenXi RuoyaoTiezhu YangQing Zhang May 2022August 2022October 2022December 2022September 2023March 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2142}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 8, "token_count": 333}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 190}, {"author_id": 1, "token_count": 81}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 2, "token_count": 50}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 84}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	2332	80.89%
Xi Ruoyao	333	11.55%
Tiezhu Yang	134	4.65%
Qing Zhang	84	2.91%
Total	2883

numa.c

310

-

4

1112

Huacai ChenBinbin ZhouLiam NiBibo Mao May 2022December 2022September 2023October 2023May 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1029}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 7, "token_count": 53}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 1}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 50, "token_count": 3}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 0, "token_count": 26}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1055	94.87%
Binbin Zhou	53	4.77%
Liam Ni	3	0.27%
Bibo Mao	1	0.09%
Total	1112

paravirt.c

334

-

3

1278

Bibo MaoHuacai ChenTianyang Zhang May 2022May 2024July 2024August 2024September 2024November 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 47}, ]}, {"timestamp": 1714546800, "group": [ {"author_id": 5, "token_count": 659}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 5, "token_count": 435}, {"author_id": 0, "token_count": 16}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 15, "token_count": 13}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 5, "token_count": 51}, ]}, {"timestamp": 1730444400, "group": [ {"author_id": 5, "token_count": 57}, ]}, ]

Author Name	Tokens	Token Proportion
Bibo Mao	1202	94.05%
Huacai Chen	63	4.93%
Tianyang Zhang	13	1.02%
Total	1278

perf_event.c

876

-

2

3768

Huacai ChenBibo Mao October 2022June 2023April 2024May 2024 var spanGroupData = [ {"timestamp": 1664607600, "group": [ {"author_id": 0, "token_count": 3753}, ]}, {"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}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3759	99.76%
Bibo Mao	9	0.24%
Total	3768

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

111

-

3

702

Huacai ChenJiaxun YangYuli Wang May 2022July 2022April 2023June 2023September 2024February 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 639}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 6}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 14}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 11, "token_count": 37}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 25, "token_count": 5}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	660	94.02%
Jiaxun Yang	37	5.27%
Yuli Wang	5	0.71%
Total	702

process.c

398

-

10

1668

Huacai ChenQing ZhangCharlie JenkinsQi HuThomas WeißschuhJinyang HeJason A. DonenfeldDoug AndersonBibo MaoTiezhu Yang May 2022June 2022August 2022October 2022November 2022December 2022January 2023February 2023June 2023August 2023September 2023October 2024March 2025May 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1035}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 0, "token_count": 49}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 360}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 33, "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": 51, "token_count": 3}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, {"author_id": 4, "token_count": 49}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 21, "token_count": 10}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 16, "token_count": 89}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 16, "token_count": 4}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1127	67.57%
Qing Zhang	374	22.42%
Charlie Jenkins	93	5.58%
Qi Hu	49	2.94%
Thomas Weißschuh	10	0.60%
Jinyang He	4	0.24%
Jason A. Donenfeld	4	0.24%
Doug Anderson	3	0.18%
Bibo Mao	3	0.18%
Tiezhu Yang	1	0.06%
Total	1668

ptrace.c

1090

-

5

5451

Huacai ChenQing ZhangQi HuHui LiTiezhu Yang May 2022July 2022February 2023April 2023June 2023August 2023September 2023June 2024July 2024January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2718}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 4, "token_count": 15}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 1, "token_count": 1956}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 1, "token_count": 35}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 447}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 0, "token_count": 10}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 4, "token_count": 196}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 13, "token_count": 54}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 2, "token_count": 17}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 2, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3175	58.25%
Qing Zhang	1991	36.53%
Qi Hu	211	3.87%
Hui Li	54	0.99%
Tiezhu Yang	20	0.37%
Total	5451

relocate.c

290

-

5

1405

Youling TangXi RuoyaoHuacai ChenQing ZhangRui Y Wang February 2023September 2023November 2023July 2024 var spanGroupData = [ {"timestamp": 1675238400, "group": [ {"author_id": 3, "token_count": 1232}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 1, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 0, "token_count": 27}, {"author_id": 18, "token_count": 1}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 23}, {"author_id": 8, "token_count": 119}, ]}, ]

Author Name	Tokens	Token Proportion
Youling Tang	1232	87.69%
Xi Ruoyao	119	8.47%
Huacai Chen	50	3.56%
Qing Zhang	3	0.21%
Rui Y Wang	1	0.07%
Total	1405

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": 30, "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": 17, "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": 17, "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

621

-

17

2414

Huacai ChenBinbin ZhouYouling TangZhihong DongTiezhu YangQing ZhangIcenowy ZhengArd BiesheuvelBibo MaoThomas GleixnerUsama ArifJiaxun YangYury NorovBaoquan HeSourabh JainOthers February 2016May 2022June 2022July 2022August 2022September 2022October 2022December 2022February 2023April 2023June 2023July 2023September 2023October 2023January 2024March 2024June 2024July 2024September 2024October 2024January 2025March 2025 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 22, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 1497}, ]}, {"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": 12, "token_count": 11}, {"author_id": 46, "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": 459}, {"author_id": 0, "token_count": 35}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 3, "token_count": 4}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 58}, {"author_id": 2, "token_count": 1}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 22, "token_count": 4}, ]}, {"timestamp": 1688194800, "group": [ {"author_id": 20, "token_count": 59}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 52, "token_count": 2}, {"author_id": 1, "token_count": 8}, ]}, {"timestamp": 1696143600, "group": [ {"author_id": 29, "token_count": 11}, ]}, {"timestamp": 1704096000, "group": [ {"author_id": 52, "token_count": 1}, {"author_id": 7, "token_count": 21}, {"author_id": 3, "token_count": 28}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 2, "token_count": 3}, {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 11, "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": 38, "token_count": 5}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 59, "token_count": 1}, {"author_id": 60, "token_count": 1}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 5, "token_count": 6}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1607	66.57%
Binbin Zhou	480	19.88%
Youling Tang	188	7.79%
Zhihong Dong	59	2.44%
Tiezhu Yang	11	0.46%
Qing Zhang	11	0.46%
Icenowy Zheng	11	0.46%
Ard Biesheuvel	11	0.46%
Bibo Mao	10	0.41%
Thomas Gleixner	7	0.29%
Usama Arif	5	0.21%
Jiaxun Yang	5	0.21%
Yury Norov	3	0.12%
Baoquan He	3	0.12%
Sourabh Jain	1	0.04%
Others	2	0.08%
Total	2414

signal.c

1055

-

5

5844

Huacai ChenQi HuBibo MaoThomas GleixnerRandy Dunlap February 2016May 2022June 2023September 2023December 2023 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 22, "token_count": 3}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 4008}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 0, "token_count": 725}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 5}, {"author_id": 4, "token_count": 1100}, ]}, {"timestamp": 1701417600, "group": [ {"author_id": 49, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	4733	80.99%
Qi Hu	1100	18.82%
Bibo Mao	5	0.09%
Thomas Gleixner	3	0.05%
Randy Dunlap	3	0.05%
Total	5844

smp.c

839

-

10

3191

Huacai ChenBibo MaoTianyang ZhangBinbin ZhouJiaxun YangThomas GleixnerDavid WangValentin SchneiderTiezhu YangOthers February 2016May 2022July 2022November 2022December 2022February 2023March 2023June 2023August 2023September 2023November 2023January 2024February 2024May 2024June 2024July 2024August 2024September 2024November 2024December 2024March 2025May 2025 var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 22, "token_count": 5}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2173}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 5, "token_count": 37}, {"author_id": 0, "token_count": 11}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 0, "token_count": 23}, ]}, {"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": 55, "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": 11, "token_count": 18}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 0, "token_count": 56}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 15, "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": 44, "token_count": 4}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 0, "token_count": 148}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 15, "token_count": 71}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	2821	88.40%
Bibo Mao	144	4.51%
Tianyang Zhang	101	3.17%
Binbin Zhou	94	2.95%
Jiaxun Yang	18	0.56%
Thomas Gleixner	5	0.16%
David Wang	4	0.13%
Valentin Schneider	2	0.06%
Tiezhu Yang	1	0.03%
Others	1	0.03%
Total	3191

stacktrace.c

121

-

5

598

Qing ZhangJinyang HeTiezhu YangHuacai ChenEnze Li May 2022August 2022September 2023March 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 12}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 516}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 34, "token_count": 7}, ]}, {"timestamp": 1709280000, "group": [ {"author_id": 9, "token_count": 45}, {"author_id": 2, "token_count": 18}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	516	86.29%
Jinyang He	45	7.53%
Tiezhu Yang	18	3.01%
Huacai Chen	12	2.01%
Enze Li	7	1.17%
Total	598

syscall.c

81

-

4

336

Huacai ChenruanjinjieArnd BergmannBibo Mao May 2022September 2023April 2024June 2024July 2024 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 300}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 3}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 19, "token_count": 12}, ]}, {"timestamp": 1717225200, "group": [ {"author_id": 19, "token_count": 1}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 23, "token_count": 20}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	300	89.29%
ruanjinjie	20	5.95%
Arnd Bergmann	13	3.87%
Bibo Mao	3	0.89%
Total	336

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

223

-

5

782

Huacai ChenBibo MaoTiezhu YangJiaxun YangPeter Zijlstra May 2022July 2022December 2022February 2023May 2023September 2023November 2023May 2024July 2024November 2024January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 685}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 0, "token_count": 13}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 18}, ]}, {"timestamp": 1675238400, "group": [ {"author_id": 2, "token_count": 11}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 32, "token_count": 5}, ]}, {"timestamp": 1693551600, "group": [ {"author_id": 5, "token_count": 1}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 5, "token_count": 17}, ]}, {"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": 11, "token_count": 8}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	730	93.35%
Bibo Mao	28	3.58%
Tiezhu Yang	11	1.41%
Jiaxun Yang	8	1.02%
Peter Zijlstra	5	0.64%
Total	782

topology.c

18

-

4

48

Huacai ChenTiezhu YangRussell KingJames Morse 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": 58, "token_count": 2}, {"author_id": 48, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	40	83.33%
Tiezhu Yang	3	6.25%
Russell King	3	6.25%
James Morse	2	4.17%
Total	48

traps.c

1203

-

7

5179

Huacai ChenWang XueruiTiezhu YangQing ZhangYouling TangQi HuBibo Mao May 2022August 2022September 2022October 2022December 2022February 2023May 2023June 2023August 2023September 2023March 2024October 2024January 2025April 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 2727}, ]}, {"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": 1403}, ]}, {"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}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	3178	61.36%
Wang Xuerui	1404	27.11%
Tiezhu Yang	244	4.71%
Qing Zhang	201	3.88%
Youling Tang	75	1.45%
Qi Hu	71	1.37%
Bibo Mao	6	0.12%
Total	5179

unaligned.c

493

-

1

1729

Huacai Chen May 2022December 2022January 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 19}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 0, "token_count": 1708}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 0, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	1729	100.00%
Total	1729

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

527

-

8

2400

Tiezhu YangQing ZhangHuacai ChenJinyang HeSebastian Andrzej SiewiorBibo MaoWill DeaconKees Cook January 2017October 2017May 2022August 2022December 2022January 2023September 2023March 2024January 2025June 2025 var spanGroupData = [ {"timestamp": 1483257600, "group": [ {"author_id": 57, "token_count": 2}, ]}, {"timestamp": 1506841200, "group": [ {"author_id": 54, "token_count": 2}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 44}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 1, "token_count": 56}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 13}, ]}, {"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": 2256}, ]}, {"timestamp": 1735718400, "group": [ {"author_id": 28, "token_count": 6}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 0, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Tiezhu Yang	2256	94.00%
Qing Zhang	69	2.88%
Huacai Chen	45	1.88%
Jinyang He	17	0.71%
Sebastian Andrzej Siewior	6	0.25%
Bibo Mao	3	0.13%
Will Deacon	2	0.08%
Kees Cook	2	0.08%
Total	2400

unwind_prologue.c

266

-

5

1087

Qing ZhangJinyang HeHuacai ChenTiezhu YangKaiLong Wang May 2022August 2022November 2022December 2022January 2023April 2023December 2023 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 29}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 3}, {"author_id": 1, "token_count": 553}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 36, "token_count": 6}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 1, "token_count": 80}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 9, "token_count": 403}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 2, "token_count": 9}, ]}, {"timestamp": 1701417600, "group": [ {"author_id": 9, "token_count": 4}, ]}, ]

Author Name	Tokens	Token Proportion
Qing Zhang	633	58.23%
Jinyang He	407	37.44%
Huacai Chen	32	2.94%
Tiezhu Yang	9	0.83%
KaiLong Wang	6	0.55%
Total	1087

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

123

-

6

516

Huacai ChenTiezhu YangThomas WeißschuhJason A. DonenfeldAnna-Maria GleixnerYuli Wang May 2022August 2022October 2022June 2023February 2024October 2024February 2025May 2025 var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 0, "token_count": 444}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 0, "token_count": 18}, ]}, {"timestamp": 1664607600, "group": [ {"author_id": 33, "token_count": 3}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 2, "token_count": 6}, ]}, {"timestamp": 1706774400, "group": [ {"author_id": 53, "token_count": 3}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 0, "token_count": 35}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 21, "token_count": 5}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 25, "token_count": 2}, ]}, ]

Author Name	Tokens	Token Proportion
Huacai Chen	497	96.32%
Tiezhu Yang	6	1.16%
Thomas Weißschuh	5	0.97%
Jason A. Donenfeld	3	0.58%
Anna-Maria Gleixner	3	0.58%
Yuli Wang	2	0.39%
Total	516