Linux / Drivers / Md
File Age

File age measurements show the distribution of file ages (days since the first commit) and the recency of file updates (days since the latest commit).

Summary
  • Number of files: 166
  • Daily file updates (only one update per file and date counted): 219
  • First update: 2005-04-17
  • Latest update: 2022-01-15
  • Days between first and latest update: 6118 (874 weeks, estimated 4370 working days)
  • Active days (at least one file change): 3683
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 166 files with 103,051 lines of code in files.
    • 159 files that are 366+ days old (101,632 lines of code)
    • 4 files that are 181-365 days old (1,027 lines of code)
    • 3 files that are 91-180 days old (392 lines of code)
    • 0 files that are 31-90 days old (0 lines of code)
    • 0 files that are 1-30 days old (0 lines of code)
98% | <1% | <1% | 0% | 0%
Legend:
366+
181-365
91-180
31-90
1-30
Latest Change Distribution Overall
Days since last update
  • There are 166 files with 103,051 lines of code in files.
    • 53 files have been last changed 366+ days ago (7,543 lines of code)
    • 10 files have been last changed 181-365 days ago (4,803 lines of code)
    • 7 files have been last changed 91-180 days ago (2,524 lines of code)
    • 15 files have been last changed 31-90 days ago (5,749 lines of code)
    • 81 files have been last changed 1-30 days ago (82,432 lines of code)
7% | 4% | 2% | 5% | 79%
Legend:
366+
181-365
91-180
31-90
1-30
File Change History per File Extension
c, h, txt
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
c98% | <1% | <1% | 0% | 0%
h92% | 1% | 5% | 0% | 0%
Latest Change Distribution per Extension
Days since last update
366+
181-365
91-180
31-90
1-30
c6% | 4% | 2% | 4% | 82%
h28% | 7% | <1% | 25% | 37%
File Change History per Logical Decomposition
primary
primary (file age distribution)
Days since first update
366+
181-365
91-180
31-90
1-30
ROOT98% | 1% | <1% | 0% | 0%
bcache97% | 0% | 2% | 0% | 0%
persistent-data100% | 0% | 0% | 0% | 0%
primary (latest change distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
ROOT7% | 3% | <1% | 1% | 86%
persistent-data15% | 0% | 0% | 0% | 84%
bcache3% | 12% | 13% | 34% | 35%
Oldest Files (Top 50)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
md.c
in root
 7627 172 21 6138 2241
raid5.c
in root
 6756 128 21 6124 1891
raid10.c
in root
 3796 84 21 6124 1672
dm-crypt.c
in root
 2643 116 21 6124 1219
raid1.c
in root
 2431 67 21 6124 1671
dm.c
in root
 2108 128 21 6119 1683
dm-mpath.c
in root
 1636 57 21 6119 1114
dm-table.c
in root
 1492 87 21 6119 1233
93 3 2174 6119 54
dm-zero.c
in root
 55 4 346 6119 156
dm-ioctl.c
in root
 1562 59 21 6073 784
raid0.c
in root
 617 12 21 6072 922
dm-raid1.c
in root
 1003 45 21 6056 759
dm-snap.c
in root
 1933 90 21 6051 809
dm-io.c
in root
 393 27 277 5995 556
204 9 2174 5992 241
dm-log.c
in root
 654 36 21 5919 320
dm.h
in root
 126 3 21 5874 637
359 16 21 5804 535
171 13 21 5794 487
124 13 931 5789 220
34 - 417 5538 50
dm-mpath.h
in root
 9 - 2174 5538 31
dm-delay.c
in root
 306 15 21 5386 411
145 5 897 5223 90
32 4 897 5223 28
630 29 21 5035 370
460 23 1117 4855 226
592 28 21 4778 450
120 9 21 4778 100
dm-sysfs.c
in root
 106 8 23 4778 138
97 6 31 4778 161
md.h
in root
 489 16 21 4707 1037
raid5.h
in root
 386 4 23 4694 601
raid10.h
in root
 84 - 21 4694 368
raid1.h
in root
 75 1 21 4694 334
raid0.h
in root
 18 - 803 4694 126
37 2 31 4692 89
583 23 21 4611 203
168 6 2174 4611 179
9 - 2174 4611 29
dm-raid.c
in root
 2598 85 21 4041 832
359 14 21 3971 394
dm-btree.c
in persistent-data
 1146 61 21 3782 296
dm-btree-remove.c
in persistent-data
 522 20 21 3782 180
dm-transaction-manager.c
in persistent-data
 371 27 21 3782 121
dm-space-map-disk.c
in persistent-data
 199 13 21 3782 142
dm-thin.c
in root
 3143 189 21 3750 847
1509 92 21 3750 547
dm-bufio.c
in root
 1414 61 26 3750 614
Files Not Recently Changed (Top 50)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
9 - 2174 4611 29
dm-mpath.h
in root
 9 - 2174 5538 31
9 1 2174 3750 17
dm-space-map-disk.h
in persistent-data
 10 - 2174 3750 17
dm-space-map-metadata.h
in persistent-data
 15 - 2174 3750 40
93 3 2174 6119 54
124 5 2174 3263 63
168 6 2174 4611 179
204 9 2174 5992 241
31 6 1747 3263 47
dm-array.h
in persistent-data
 43 - 1740 3263 35
dm-bitset.h
in persistent-data
 44 - 1740 3263 38
dm-bitset.c
in persistent-data
 242 18 1740 3263 38
19 - 1684 1878 13
dm-block-manager.h
in persistent-data
 40 - 1684 3750 128
53 - 1684 1933 13
59 - 1684 3263 107
64 - 1684 3263 132
108 17 1684 3263 86
55 - 1544 1933 25
6 1 1489 2944 46
dm-stats.h
in root
 32 1 1489 3095 45
trace.c
in bcache
 37 - 1489 3240 82
180 11 1293 1878 60
118 - 1228 1579 26
extents.h
in bcache
 10 - 1117 2971 63
21 - 1117 1579 26
debug.h
in bcache
 24 3 1117 3240 99
29 - 1117 2870 129
closure.h
in bcache
 157 15 1117 3240 189
460 23 1117 4855 226
1379 89 1117 2458 161
dm-rq.h
in root
 21 - 940 2095 82
130 11 940 1794 115
124 13 931 5789 220
32 4 897 5223 28
145 5 897 5223 90
journal.h
in bcache
 65 - 810 3240 94
raid0.h
in root
 18 - 803 4694 126
87 - 716 3750 216
346 27 716 1933 52
273 19 609 1933 62
33 - 522 878 46
14 - 417 1579 32
34 - 417 5538 50
39 4 417 933 20
86 - 417 2256 102
dm-zoned.h
in root
 185 3 417 1704 70
util.c
in bcache
 191 7 417 3240 235
dm-init.c
in root
 192 5 417 1080 67
Most Recently Created Files (Top 50)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
283 11 31 99 9
dm-audit.c
in root
 64 2 26 154 9
dm-audit.h
in root
 45 7 26 154 9
dm-ima.c
in root
 510 11 21 207 19
dm-ima.h
in root
 42 6 21 207 10
52 5 21 225 10
dm-zone.c
in root
 423 21 21 256 10
353 18 21 452 26
234 12 21 452 19
212 9 21 452 25
206 11 21 452 19
171 9 21 452 19
features.h
in bcache
 93 3 31 560 48
features.c
in bcache
 61 3 31 560 62
220 5 417 609 30
337 18 21 698 60
1407 75 21 878 105
683 38 152 878 56
33 - 522 878 46
97 5 152 933 42
39 4 417 933 20
dm-dust.c
in root
 463 20 21 1066 88
dm-init.c
in root
 192 5 417 1080 67
2321 78 21 1430 303
157 10 21 1510 53
1960 53 21 1579 192
358 16 21 1579 106
267 12 21 1579 69
220 9 21 1579 148
118 - 1228 1579 26
21 - 1117 1579 26
14 - 417 1579 32
raid1-10.c
in root
 63 5 23 1667 58
2097 80 21 1704 202
816 32 21 1704 294
408 18 21 1704 116
dm-zoned.h
in root
 185 3 417 1704 70
1077 27 26 1794 239
130 11 940 1794 115
3896 97 21 1858 465
180 11 1293 1878 60
19 - 1684 1878 13
346 27 716 1933 52
273 19 609 1933 62
55 - 1544 1933 25
53 - 1684 1933 13
dm-rq.c
in root
 401 31 21 2095 374
dm-core.h
in root
 154 4 21 2095 214
dm-rq.h
in root
 21 - 940 2095 82
990 36 21 2256 309
Most Recently Changed Files (Top 50)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
md.c
in root
 7627 172 21 6138 2241
raid5.c
in root
 6756 128 21 6124 1891
3896 97 21 1858 465
raid10.c
in root
 3796 84 21 6124 1672
dm-thin.c
in root
 3143 189 21 3750 847
dm-crypt.c
in root
 2643 116 21 6124 1219
dm-raid.c
in root
 2598 85 21 4041 832
raid1.c
in root
 2431 67 21 6124 1671
2364 154 21 3263 660
2321 78 21 1430 303
dm.c
in root
 2108 128 21 6119 1683
2097 80 21 1704 202
super.c
in bcache
 2087 72 21 3291 686
1960 53 21 1579 192
dm-snap.c
in root
 1933 90 21 6051 809
btree.c
in bcache
 1924 76 21 3240 548
dm-mpath.c
in root
 1636 57 21 6119 1114
dm-ioctl.c
in root
 1562 59 21 6073 784
1509 92 21 3750 547
dm-table.c
in root
 1492 87 21 6119 1233
1407 75 21 878 105
1273 80 21 2896 200
dm-btree.c
in persistent-data
 1146 61 21 3782 296
dm-raid1.c
in root
 1003 45 21 6056 759
990 36 21 2256 309
dm-space-map-common.c
in persistent-data
 926 52 21 3750 232
816 32 21 1704 294
723 28 21 2514 270
dm-array.c
in persistent-data
 674 47 21 3263 109
dm-log.c
in root
 654 36 21 5919 320
630 29 21 5035 370
raid0.c
in root
 617 12 21 6072 922
592 28 21 4778 450
583 23 21 4611 203
dm-space-map-metadata.c
in persistent-data
 581 48 21 3750 235
dm-btree-remove.c
in persistent-data
 522 20 21 3782 180
dm-ima.c
in root
 510 11 21 207 19
md.h
in root
 489 16 21 4707 1037
dm-dust.c
in root
 463 20 21 1066 88
util.h
in bcache
 446 6 21 3240 299
dm-zone.c
in root
 423 21 21 256 10
416 18 21 3131 166
408 18 21 1704 116
dm-rq.c
in root
 401 31 21 2095 374
dm-transaction-manager.c
in persistent-data
 371 27 21 3782 121
359 14 21 3971 394
359 16 21 5804 535
358 16 21 1579 106
353 18 21 452 26
337 18 21 698 60