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": 9, "token_count": 21}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 10, "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

70

-

1

91

Christophe Leroy August 2024 var spanGroupData = [ {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 91}, ]}, ]

Author Name	Tokens	Token Proportion
Christophe Leroy	91	100.00%
Total	91

vdso_config.h

92

-

5

299

Vincenzo FrascinoTobias KlauserTiezhu YangHeiko CarstensChristophe Leroy October 2020February 2021April 2024August 2024September 2024 var spanGroupData = [ {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 263}, ]}, {"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": 16, "token_count": 7}, ]}, ]

Author Name	Tokens	Token Proportion
Vincenzo Frascino	263	87.96%
Tobias Klauser	12	4.01%
Tiezhu Yang	10	3.34%
Heiko Carstens	7	2.34%
Christophe Leroy	7	2.34%
Total	299

vdso_standalone_test_x86.c

58

-

5

223

Thomas WeißschuhAndrew LutomirskiJohn HubbardMark BrownThomas Gleixner July 2011June 2014May 2019May 2020July 2024February 2025 var spanGroupData = [ {"timestamp": 1309503600, "group": [ {"author_id": 0, "token_count": 99}, ]}, {"timestamp": 1401606000, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 20, "token_count": 1}, ]}, {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 2}, ]}, {"timestamp": 1719817200, "group": [ {"author_id": 9, "token_count": 10}, ]}, {"timestamp": 1738396800, "group": [ {"author_id": 7, "token_count": 110}, ]}, ]

Author Name	Tokens	Token Proportion
Thomas Weißschuh	110	49.33%
Andrew Lutomirski	100	44.84%
John Hubbard	10	4.48%
Mark Brown	2	0.90%
Thomas Gleixner	1	0.45%
Total	223

vdso_test_abi.c

237

-

3

956

Vincenzo FrascinoMark BrownChristophe Leroy October 2020January 2022November 2023August 2024 var spanGroupData = [ {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 713}, ]}, {"timestamp": 1641024000, "group": [ {"author_id": 2, "token_count": 104}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 4, "token_count": 113}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 26}, ]}, ]

Author Name	Tokens	Token Proportion
Vincenzo Frascino	817	85.46%
Mark Brown	113	11.82%
Christophe Leroy	26	2.72%
Total	956

vdso_test_chacha.c

132

-

2

899

Jason A. DonenfeldChristophe Leroy July 2024August 2024September 2024October 2024 var spanGroupData = [ {"timestamp": 1719817200, "group": [ {"author_id": 1, "token_count": 273}, ]}, {"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": 70}, ]}, ]

Author Name	Tokens	Token Proportion
Jason A. Donenfeld	733	81.54%
Christophe Leroy	166	18.46%
Total	899

vdso_test_clock_getres.c

124

-

2

314

Vincenzo FrascinoColin Ian King October 2020April 2023 var spanGroupData = [ {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 311}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 19, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Vincenzo Frascino	311	99.04%
Colin Ian King	3	0.96%
Total	314

vdso_test_correctness.c

455

-

9

2102

Andrew LutomirskiVincenzo FrascinoDominik BrodowskiChristophe LeroyAndi KleenGuo ZhengkuiTobias KlauserStefani SeiboldGreg Kroah-Hartman February 2002February 2003March 2014November 2016November 2017February 2018October 2018March 2020October 2020December 2020March 2022August 2024 var spanGroupData = [ {"timestamp": 1012550400, "group": [ {"author_id": 11, "token_count": 6}, ]}, {"timestamp": 1044086400, "group": [ {"author_id": 11, "token_count": 17}, ]}, {"timestamp": 1393660800, "group": [ {"author_id": 21, "token_count": 1}, ]}, {"timestamp": 1477983600, "group": [ {"author_id": 0, "token_count": 546}, ]}, {"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": 5}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 48}, ]}, ]

Author Name	Tokens	Token Proportion
Andrew Lutomirski	1621	77.12%
Vincenzo Frascino	233	11.08%
Dominik Brodowski	169	8.04%
Christophe Leroy	48	2.28%
Andi Kleen	23	1.09%
Guo Zhengkui	5	0.24%
Tobias Klauser	1	0.05%
Stefani Seibold	1	0.05%
Greg Kroah-Hartman	1	0.05%
Total	2102

vdso_test_getcpu.c

55

-

3

227

Mark BrownTiezhu YangChristophe Leroy May 2020April 2024August 2024 var spanGroupData = [ {"timestamp": 1588316400, "group": [ {"author_id": 4, "token_count": 179}, ]}, {"timestamp": 1711954800, "group": [ {"author_id": 8, "token_count": 40}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 8}, ]}, ]

Author Name	Tokens	Token Proportion
Mark Brown	179	78.85%
Tiezhu Yang	40	17.62%
Christophe Leroy	8	3.52%
Total	227

vdso_test_getrandom.c

320

-

3

1949

Jason A. DonenfeldChristophe LeroyYu Liao July 2024August 2024September 2024October 2024 var spanGroupData = [ {"timestamp": 1719817200, "group": [ {"author_id": 1, "token_count": 1514}, ]}, {"timestamp": 1722495600, "group": [ {"author_id": 3, "token_count": 43}, {"author_id": 1, "token_count": 21}, ]}, {"timestamp": 1725174000, "group": [ {"author_id": 1, "token_count": 319}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 49}, {"author_id": 18, "token_count": 3}, ]}, ]

Author Name	Tokens	Token Proportion
Jason A. Donenfeld	1903	97.64%
Christophe Leroy	43	2.21%
Yu Liao	3	0.15%
Total	1949

vdso_test_gettimeofday.c

58

-

9

223

Andrew LutomirskiTiezhu YangGreg HackmannGuo RenShuah KhanChristophe LeroyThomas WeißschuhMark BrownThomas Gleixner July 2011June 2014November 2017June 2018May 2019May 2020November 2022April 2024August 2024February 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": 8}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 20, "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}, ]}, ]

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%
Shuah Khan	8	3.59%
Christophe Leroy	8	3.59%
Thomas Weißschuh	5	2.24%
Mark Brown	4	1.79%
Thomas Gleixner	1	0.45%
Total	223