vDSO

Files:

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

parse_vdso.c

300

-

6

1423

Andrew LutomirskiFangrui SongJens RemusJohn HubbardThomas WeißschuhMark Brown July 2011June 2014May 2020July 2024September 2024December 2024February 2025 var spanGroupData = [ {"timestamp": 1309503600, "group": [ {"author_id": 0, "token_count": 880}, ]}, {"timestamp": 1401606000, "group": [ {"author_id": 0, "token_count": 193}, ]}, {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 3}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 11, "token_count": 21}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 9, "token_count": 26}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 5, "token_count": 287}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 7, "token_count": 13}, ]}, ]

Author Name	Tokens	Token Proportion
Andrew Lutomirski	1073	75.40%
Fangrui Song	287	20.17%
Jens Remus	26	1.83%
John Hubbard	21	1.48%
Thomas Weißschuh	13	0.91%
Mark Brown	3	0.21%
Total	1423

parse_vdso.h

30

-

2

35

Andrew LutomirskiMark Brown July 2011May 2020 var spanGroupData = [ {"timestamp": 1309503600, "group": [ {"author_id": 0, "token_count": 23}, ]}, {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 12}, ]}, ]

Author Name	Tokens	Token Proportion
Andrew Lutomirski	23	65.71%
Mark Brown	12	34.29%
Total	35

vdso_call.h

69

-

3

91

Christophe LeroyAndrew LutomirskiThomas Weißschuh November 2016August 2024August 2025 var spanGroupData = [ {"timestamp": 1477983600, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 88}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 7, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Christophe Leroy	88	96.70%
Andrew Lutomirski	2	2.20%
Thomas Weißschuh	1	1.10%
Total	91

vdso_config.h

90

-

6

283

Vincenzo FrascinoTobias KlauserTiezhu YangThomas WeißschuhChristophe LeroyHeiko Carstens October 2020February 2021April 2024August 2024September 2024June 2025 var spanGroupData = [ {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 245}, ]}, {"timestamp": 1612166400, "group": [ {"author_id": 13, "token_count": 12}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 8, "token_count": 10}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 7}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 21, "token_count": 1}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 7, "token_count": 8}, ]}, ]

Author Name	Tokens	Token Proportion
Vincenzo Frascino	245	86.57%
Tobias Klauser	12	4.24%
Tiezhu Yang	10	3.53%
Thomas Weißschuh	8	2.83%
Christophe Leroy	7	2.47%
Heiko Carstens	1	0.35%
Total	283

vdso_test_abi.c

248

-

5

1131

Vincenzo FrascinoMark BrownThomas WeißschuhChristophe LeroyBala-Vignesh-Reddy October 2020January 2022November 2023August 2024August 2025October 2025 var spanGroupData = [ {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 702}, ]}, {"timestamp": 1641024000, "group": [ {"author_id": 2, "token_count": 105}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 4, "token_count": 177}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 30}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 7, "token_count": 116}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Vincenzo Frascino	807	71.35%
Mark Brown	177	15.65%
Thomas Weißschuh	116	10.26%
Christophe Leroy	30	2.65%
Bala-Vignesh-Reddy	1	0.09%
Total	1131

vdso_test_chacha.c

133

-

4

902

Jason A. DonenfeldChristophe LeroyThomas WeißschuhBala-Vignesh-Reddy July 2024August 2024September 2024October 2024June 2025October 2025 var spanGroupData = [ {"timestamp": 1719817200, "group": [ {"author_id": 1, "token_count": 272}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 1, "token_count": 317}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 3, "token_count": 166}, {"author_id": 1, "token_count": 73}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 69}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 7, "token_count": 4}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Jason A. Donenfeld	731	81.04%
Christophe Leroy	166	18.40%
Thomas Weißschuh	4	0.44%
Bala-Vignesh-Reddy	1	0.11%
Total	902

vdso_test_correctness.c

455

-

11

2104

Andrew LutomirskiVincenzo FrascinoDominik BrodowskiChristophe LeroyAndi KleenGuo ZhengkuiThomas WeißschuhTobias KlauserStefani SeiboldGreg Kroah-HartmanBala-Vignesh-Reddy February 2002February 2003March 2014November 2016November 2017February 2018October 2018March 2020October 2020December 2020March 2022August 2024June 2025October 2025 var spanGroupData = [ {"timestamp": 1012550400, "group": [ {"author_id": 10, "token_count": 6}, ]}, {"timestamp": 1044086400, "group": [ {"author_id": 10, "token_count": 17}, ]}, {"timestamp": 1393660800, "group": [ {"author_id": 20, "token_count": 1}, ]}, {"timestamp": 1477983600, "group": [ {"author_id": 0, "token_count": 545}, ]}, {"timestamp": 1509519600, "group": [ {"author_id": 22, "token_count": 1}, ]}, {"timestamp": 1517472000, "group": [ {"author_id": 6, "token_count": 169}, ]}, {"timestamp": 1538377200, "group": [ {"author_id": 0, "token_count": 1058}, ]}, {"timestamp": 1583049600, "group": [ {"author_id": 0, "token_count": 17}, ]}, {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 233}, ]}, {"timestamp": 1606809600, "group": [ {"author_id": 13, "token_count": 1}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 17, "token_count": 4}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 48}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 7, "token_count": 3}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Andrew Lutomirski	1620	77.00%
Vincenzo Frascino	233	11.07%
Dominik Brodowski	169	8.03%
Christophe Leroy	48	2.28%
Andi Kleen	23	1.09%
Guo Zhengkui	4	0.19%
Thomas Weißschuh	3	0.14%
Tobias Klauser	1	0.05%
Stefani Seibold	1	0.05%
Greg Kroah-Hartman	1	0.05%
Bala-Vignesh-Reddy	1	0.05%
Total	2104

vdso_test_getcpu.c

55

-

4

227

Mark BrownTiezhu YangChristophe LeroyBala-Vignesh-Reddy May 2020April 2024August 2024October 2025 var spanGroupData = [ {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 178}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 8, "token_count": 40}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 8}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Mark Brown	178	78.41%
Tiezhu Yang	40	17.62%
Christophe Leroy	8	3.52%
Bala-Vignesh-Reddy	1	0.44%
Total	227

vdso_test_getrandom.c

322

-

5

1952

Jason A. DonenfeldChristophe LeroyThomas WeißschuhYu LiaoBala-Vignesh-Reddy July 2024August 2024September 2024October 2024June 2025October 2025 var spanGroupData = [ {"timestamp": 1719817200, "group": [ {"author_id": 1, "token_count": 1510}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 43}, {"author_id": 1, "token_count": 21}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 1, "token_count": 314}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 49}, {"author_id": 18, "token_count": 3}, ]}, {"timestamp": 1748761200, "group": [ {"author_id": 7, "token_count": 11}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Jason A. Donenfeld	1894	97.03%
Christophe Leroy	43	2.20%
Thomas Weißschuh	11	0.56%
Yu Liao	3	0.15%
Bala-Vignesh-Reddy	1	0.05%
Total	1952

vdso_test_gettimeofday.c

58

-

10

223

Andrew LutomirskiTiezhu YangGreg HackmannGuo RenChristophe LeroyShuah KhanThomas WeißschuhMark BrownThomas GleixnerBala-Vignesh-Reddy July 2011June 2014November 2017June 2018May 2019May 2020November 2022April 2024August 2024February 2025October 2025 var spanGroupData = [ {"timestamp": 1309503600, "group": [ {"author_id": 0, "token_count": 59}, ]}, {"timestamp": 1401606000, "group": [ {"author_id": 0, "token_count": 84}, ]}, {"timestamp": 1509519600, "group": [ {"author_id": 12, "token_count": 16}, ]}, {"timestamp": 1527836400, "group": [ {"author_id": 15, "token_count": 7}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 19, "token_count": 1}, ]}, {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 4}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 14, "token_count": 9}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 8, "token_count": 29}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 8}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 7, "token_count": 5}, ]}, {"timestamp": 1759302000, "group": [ {"author_id": 16, "token_count": 1}, ]}, ]

Author Name	Tokens	Token Proportion
Andrew Lutomirski	143	64.13%
Tiezhu Yang	29	13.00%
Greg Hackmann	16	7.17%
Guo Ren	9	4.04%
Christophe Leroy	8	3.59%
Shuah Khan	7	3.14%
Thomas Weißschuh	5	2.24%
Mark Brown	4	1.79%
Thomas Gleixner	1	0.45%
Bala-Vignesh-Reddy	1	0.45%
Total	223