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Arnd Bergmann
Colin Ian King
Daniel Borkmann
Divya Indi
Duan Chenghao
Florent Revest
Heiko Carstens
Jiri Olsa
Kefeng Wang
Mark Rutland
Naveen N Rao
Peter Zijlstra
Ruiqi Gong
Song Shuai
Steven Rostedt
Thomas Gleixner
Tom Rix
Vladimir Riabchun
Youling Tang
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Files:
Name
Lines
Files
Authors
Tokens
change scale
Color Graph By Token Proportion
ftrace-direct-modify.c
339
-
12
467
Steven Rostedt
Naveen N Rao
Florent Revest
Heiko Carstens
Youling Tang
Jiri Olsa
Song Shuai
Ruiqi Gong
Peter Zijlstra
Daniel Borkmann
Vladimir Riabchun
Duan Chenghao
February 2018
November 2019
October 2021
December 2021
March 2022
March 2023
April 2023
May 2023
August 2023
November 2023
October 2024
August 2025
December 2025
var spanGroupData = [ {"timestamp": 1517472000, "group": [ {"author_id": 12, "token_count": 3}, ]}, {"timestamp": 1572591600, "group": [ {"author_id": 2, "token_count": 267}, ]}, {"timestamp": 1633071600, "group": [ {"author_id": 6, "token_count": 24}, ]}, {"timestamp": 1638345600, "group": [ {"author_id": 3, "token_count": 6}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 11, "token_count": 3}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 5, "token_count": 33}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 5, "token_count": 7}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 7, "token_count": 7}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 10, "token_count": 5}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 9, "token_count": 5}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 105}, ]}, {"timestamp": 1754031600, "group": [ {"author_id": 16, "token_count": 1}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 14, "token_count": 1}, ]}, ]
Author Name
Tokens
Token Proportion
Steven Rostedt
267
57.17%
Naveen N Rao
105
22.48%
Florent Revest
40
8.57%
Heiko Carstens
24
5.14%
Youling Tang
7
1.50%
Jiri Olsa
6
1.28%
Song Shuai
5
1.07%
Ruiqi Gong
5
1.07%
Peter Zijlstra
3
0.64%
Daniel Borkmann
3
0.64%
Vladimir Riabchun
1
0.21%
Duan Chenghao
1
0.21%
Total
467
ftrace-direct-multi-modify.c
383
-
10
496
Jiri Olsa
Naveen N Rao
Florent Revest
Youling Tang
Song Shuai
Ruiqi Gong
Peter Zijlstra
Daniel Borkmann
Mark Rutland
Duan Chenghao
February 2018
December 2021
March 2022
September 2022
January 2023
March 2023
April 2023
May 2023
August 2023
November 2023
October 2024
December 2025
var spanGroupData = [ {"timestamp": 1517472000, "group": [ {"author_id": 12, "token_count": 3}, ]}, {"timestamp": 1638345600, "group": [ {"author_id": 3, "token_count": 339}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 11, "token_count": 3}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 11, "token_count": 1}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 5, "token_count": 6}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 5, "token_count": 7}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 7, "token_count": 10}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 10, "token_count": 5}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 9, "token_count": 5}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 114}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 14, "token_count": 1}, ]}, ]
Author Name
Tokens
Token Proportion
Jiri Olsa
339
68.35%
Naveen N Rao
114
22.98%
Florent Revest
13
2.62%
Youling Tang
10
2.02%
Song Shuai
5
1.01%
Ruiqi Gong
5
1.01%
Peter Zijlstra
4
0.81%
Daniel Borkmann
3
0.60%
Mark Rutland
2
0.40%
Duan Chenghao
1
0.20%
Total
496
ftrace-direct-multi.c
241
-
11
325
Jiri Olsa
Naveen N Rao
Heiko Carstens
Florent Revest
Youling Tang
Song Shuai
Peter Zijlstra
Ruiqi Gong
Daniel Borkmann
Mark Rutland
Duan Chenghao
February 2018
October 2021
November 2021
March 2022
September 2022
January 2023
March 2023
April 2023
May 2023
August 2023
November 2023
October 2024
December 2025
var spanGroupData = [ {"timestamp": 1517472000, "group": [ {"author_id": 12, "token_count": 3}, ]}, {"timestamp": 1633071600, "group": [ {"author_id": 3, "token_count": 146}, ]}, {"timestamp": 1635750000, "group": [ {"author_id": 6, "token_count": 24}, {"author_id": 3, "token_count": 2}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 11, "token_count": 3}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 11, "token_count": 1}, ]}, {"timestamp": 1672560000, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 5, "token_count": 4}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 5, "token_count": 7}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 7, "token_count": 10}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 10, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 9, "token_count": 5}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 114}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 14, "token_count": 1}, ]}, ]
Author Name
Tokens
Token Proportion
Jiri Olsa
148
45.54%
Naveen N Rao
114
35.08%
Heiko Carstens
24
7.38%
Florent Revest
11
3.38%
Youling Tang
10
3.08%
Song Shuai
5
1.54%
Peter Zijlstra
4
1.23%
Ruiqi Gong
3
0.92%
Daniel Borkmann
3
0.92%
Mark Rutland
2
0.62%
Duan Chenghao
1
0.31%
Total
325
ftrace-direct-too.c
256
-
11
360
Naveen N Rao
Steven Rostedt
Florent Revest
Heiko Carstens
Youling Tang
Song Shuai
Ruiqi Gong
Peter Zijlstra
Jiri Olsa
Daniel Borkmann
Duan Chenghao
February 2018
November 2019
October 2021
December 2021
March 2022
March 2023
April 2023
May 2023
August 2023
November 2023
October 2024
December 2025
var spanGroupData = [ {"timestamp": 1517472000, "group": [ {"author_id": 12, "token_count": 3}, ]}, {"timestamp": 1572591600, "group": [ {"author_id": 2, "token_count": 127}, ]}, {"timestamp": 1633071600, "group": [ {"author_id": 6, "token_count": 24}, ]}, {"timestamp": 1638345600, "group": [ {"author_id": 3, "token_count": 3}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 11, "token_count": 3}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 5, "token_count": 26}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 5, "token_count": 21}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 7, "token_count": 7}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 10, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 9, "token_count": 5}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 137}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 14, "token_count": 1}, ]}, ]
Author Name
Tokens
Token Proportion
Naveen N Rao
137
38.06%
Steven Rostedt
127
35.28%
Florent Revest
47
13.06%
Heiko Carstens
24
6.67%
Youling Tang
7
1.94%
Song Shuai
5
1.39%
Ruiqi Gong
3
0.83%
Peter Zijlstra
3
0.83%
Jiri Olsa
3
0.83%
Daniel Borkmann
3
0.83%
Duan Chenghao
1
0.28%
Total
360
ftrace-direct.c
223
-
12
302
Steven Rostedt
Naveen N Rao
Florent Revest
Heiko Carstens
Youling Tang
Song Shuai
Peter Zijlstra
Ruiqi Gong
Daniel Borkmann
Jiri Olsa
Duan Chenghao
Colin Ian King
February 2018
November 2019
October 2021
December 2021
March 2022
September 2022
March 2023
April 2023
May 2023
August 2023
November 2023
October 2024
December 2025
var spanGroupData = [ {"timestamp": 1517472000, "group": [ {"author_id": 12, "token_count": 3}, ]}, {"timestamp": 1572591600, "group": [ {"author_id": 18, "token_count": 1}, {"author_id": 2, "token_count": 114}, ]}, {"timestamp": 1633071600, "group": [ {"author_id": 6, "token_count": 24}, ]}, {"timestamp": 1638345600, "group": [ {"author_id": 3, "token_count": 2}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 11, "token_count": 3}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 11, "token_count": 1}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 5, "token_count": 26}, ]}, {"timestamp": 1680332400, "group": [ {"author_id": 5, "token_count": 7}, ]}, {"timestamp": 1682924400, "group": [ {"author_id": 7, "token_count": 7}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 10, "token_count": 3}, ]}, {"timestamp": 1698822000, "group": [ {"author_id": 9, "token_count": 5}, ]}, {"timestamp": 1727766000, "group": [ {"author_id": 1, "token_count": 105}, ]}, {"timestamp": 1764576000, "group": [ {"author_id": 14, "token_count": 1}, ]}, ]
Author Name
Tokens
Token Proportion
Steven Rostedt
114
37.75%
Naveen N Rao
105
34.77%
Florent Revest
33
10.93%
Heiko Carstens
24
7.95%
Youling Tang
7
2.32%
Song Shuai
5
1.66%
Peter Zijlstra
4
1.32%
Ruiqi Gong
3
0.99%
Daniel Borkmann
3
0.99%
Jiri Olsa
2
0.66%
Duan Chenghao
1
0.33%
Colin Ian King
1
0.33%
Total
302
ftrace-ops.c
252
-
3
895
Mark Rutland
Tom Rix
Arnd Bergmann
January 2023
var spanGroupData = [ {"timestamp": 1672560000, "group": [ {"author_id": 15, "token_count": 4}, {"author_id": 0, "token_count": 879}, {"author_id": 13, "token_count": 12}, ]}, ]
Author Name
Tokens
Token Proportion
Mark Rutland
879
98.21%
Tom Rix
12
1.34%
Arnd Bergmann
4
0.45%
Total
895
sample-trace-array.c
143
-
4
351
Divya Indi
Kefeng Wang
Steven Rostedt
Thomas Gleixner
November 2019
June 2020
December 2023
April 2025
May 2025
var spanGroupData = [ {"timestamp": 1572591600, "group": [ {"author_id": 4, "token_count": 314}, ]}, {"timestamp": 1590994800, "group": [ {"author_id": 8, "token_count": 30}, ]}, {"timestamp": 1701417600, "group": [ {"author_id": 2, "token_count": 2}, ]}, {"timestamp": 1743490800, "group": [ {"author_id": 17, "token_count": 1}, ]}, {"timestamp": 1746082800, "group": [ {"author_id": 2, "token_count": 4}, ]}, ]
Author Name
Tokens
Token Proportion
Divya Indi
314
89.46%
Kefeng Wang
30
8.55%
Steven Rostedt
6
1.71%
Thomas Gleixner
1
0.28%
Total
351
sample-trace-array.h
84
-
1
70
Divya Indi
November 2019
var spanGroupData = [ {"timestamp": 1572591600, "group": [ {"author_id": 4, "token_count": 70}, ]}, ]
Author Name
Tokens
Token Proportion
Divya Indi
70
100.00%
Total
70
Contributors:
19
Author
Tokens
Proportion
Commits
Proportion
0
Mark Rutland
883
27.04%
2
5.88%
1
Naveen N Rao
575
17.61%
1
2.94%
2
Steven Rostedt
514
15.74%
5
14.71%
3
Jiri Olsa
498
15.25%
4
11.76%
4
Divya Indi
384
11.76%
1
2.94%
5
Florent Revest
144
4.41%
5
14.71%
6
Heiko Carstens
96
2.94%
2
5.88%
7
Youling Tang
41
1.26%
1
2.94%
8
Kefeng Wang
30
0.92%
2
5.88%
9
Song Shuai
25
0.77%
1
2.94%
10
Ruiqi Gong
19
0.58%
1
2.94%
11
Peter Zijlstra
18
0.55%
2
5.88%
12
Daniel Borkmann
15
0.46%
1
2.94%
13
Tom Rix
12
0.37%
1
2.94%
14
Duan Chenghao
5
0.15%
1
2.94%
15
Arnd Bergmann
4
0.12%
1
2.94%
16
Vladimir Riabchun
1
0.03%
1
2.94%
17
Thomas Gleixner
1
0.03%
1
2.94%
18
Colin Ian King
1
0.03%
1
2.94%
Total
3266
34