Linux / Drivers / Block
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

File Change Frequency Overall
File Change Frequency Overall
The number of recorded file updates
  • There are 100 files with 71,030 lines of code.
    • 54 files changed more than 100 times (60,846 lines of code)
    • 9 files changed 51-100 times (4,665 lines of code)
    • 16 files changed 21-50 times (2,332 lines of code)
    • 20 files changed 6-20 times (2,731 lines of code)
    • 1 files changed 1-5 times (456 lines of code)
85% | 6% | 3% | 3% | <1%
Legend:
101+
51-100
21-50
6-20
1-5

Detailed data...

File Change Frequency per File Extension
c, h, txt, S
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
c86% | 6% | 2% | 3% | <1%
h73% | 4% | 16% | 6% | 0%
S0% | 0% | 100% | 0% | 0%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
ROOT98% | 0% | 1% | 0% | 0%
drbd98% | 1% | <1% | 0% | 0%
paride48% | 0% | 8% | 36% | 6%
mtip32xx100% | 0% | 0% | 0% | 0%
aoe97% | 2% | 0% | 0% | 0%
xen-blkback100% | 0% | 0% | 0% | 0%
zram100% | 0% | 0% | 0% | 0%
rnbd0% | 78% | 20% | 1% | 0%
null_blk0% | 69% | 27% | 2% | 0%
Most Frequently Changed Files (Top 50)

See data for all files...

File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
loop.c
in root
 1663 65 21 6073 1395
1902 52 21 5316 1322
rbd.c
in root
 5377 251 21 4194 1305
nbd.c
in root
 2053 69 21 6124 1276
floppy.c
in root
 3746 138 21 6119 1163
831 35 18 5276 1132
2787 123 21 4515 1005
pktcdvd.c
in root
 2184 89 21 6111 1002
4511 121 21 4515 950
drbd_int.h
in drbd
 1515 42 31 4515 885
drbd_nl.c
in drbd
 3881 101 21 4515 811
brd.c
in root
 350 14 21 5111 772
mtip32xx.c
in mtip32xx
 2865 94 21 3812 723
drbd_req.c
in drbd
 1089 39 21 4515 720
xenbus.c
in xen-blkback
 905 28 21 3946 688
1574 62 277 4515 688
zram_drv.c
in zram
 1629 85 21 2927 680
blkback.c
in xen-blkback
 1051 30 215 3946 596
aoecmd.c
in aoe
 1452 1 21 6136 587
ataflop.c
in root
 1527 49 21 5993 511
1075 64 277 4515 502
swim3.c
in root
 1080 32 21 6073 489
pd.c
in paride
 754 39 21 6131 482
852 30 277 4515 476
amiflop.c
in root
 1441 54 21 5932 475
aoeblk.c
in aoe
 395 8 21 7242 450
common.h
in xen-blkback
 345 2 152 3946 434
pcd.c
in paride
 757 41 21 5992 426
swim.c
in root
 738 32 21 4830 401
ps3vram.c
in root
 670 26 21 4719 391
ps3disk.c
in root
 449 16 21 5313 370
pf.c
in paride
 762 42 21 5992 369
mtip32xx.h
in mtip32xx
 231 - 346 3812 360
drbd_req.h
in drbd
 132 2 277 4515 358
209 4 417 4515 349
sunvdc.c
in root
 949 36 21 5322 340
sx8.c
in root
 1241 30 21 6131 339
z2ram.c
in root
 306 8 21 6073 292
aoedev.c
in aoe
 418 - 21 6136 291
1744 40 152 4072 278
aoechr.c
in aoe
 257 - 21 6163 245
zram_drv.h
in zram
 78 - 21 2927 229
pg.c
in paride
 489 21 1697 6163 226
aoe.h
in aoe
 213 - 940 6136 217
loop.h
in root
 54 - 21 3191 209
pt.c
in paride
 733 28 1697 6163 209
aoenet.c
in aoe
 183 1 2174 6136 197
zcomp.c
in zram
 156 11 346 2860 178
725 46 873 2836 144
55 - 417 4194 128