firecracker-microvm / firecracker
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: 241
  • Daily file updates (only one update per file and date counted): 1063
  • First update: 2017-10-19
  • Latest update: 2022-01-28
  • Days between first and latest update: 1563 (223 weeks, estimated 1115 working days)
  • Active days (at least one file change): 932
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 241 files with 54,149 lines of code in files.
    • 198 files that are 366+ days old (47,383 lines of code)
    • 28 files that are 181-365 days old (5,627 lines of code)
    • 14 files that are 91-180 days old (1,115 lines of code)
    • 1 files that are 31-90 days old (24 lines of code)
    • 0 files that are 1-30 days old (0 lines of code)
87% | 10% | 2% | <1% | 0%
Legend:
366+
181-365
91-180
31-90
1-30
Latest Change Distribution Overall
Days since last update
  • There are 241 files with 54,149 lines of code in files.
    • 51 files have been last changed 366+ days ago (6,729 lines of code)
    • 67 files have been last changed 181-365 days ago (16,366 lines of code)
    • 41 files have been last changed 91-180 days ago (2,714 lines of code)
    • 25 files have been last changed 31-90 days ago (6,357 lines of code)
    • 57 files have been last changed 1-30 days ago (21,983 lines of code)
12% | 30% | 5% | 11% | 40%
Legend:
366+
181-365
91-180
31-90
1-30
File Change History per File Extension
rs, py, md, toml, json, c, svg, sh, txt, ini, gitignore, rb, patch, asc, yaml
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
rs87% | 10% | 2% | <1% | 0%
yaml100% | 0% | 0% | 0% | 0%
toml89% | 5% | 5% | 0% | 0%
py89% | 10% | 0% | 0% | 0%
asc100% | 0% | 0% | 0% | 0%
Latest Change Distribution per Extension
Days since last update
366+
181-365
91-180
31-90
1-30
rs12% | 31% | 4% | 12% | 39%
asc100% | 0% | 0% | 0% | 0%
toml0% | 0% | 84% | 0% | 15%
yaml0% | 0% | 0% | 0% | 100%
py0% | 0% | 0% | 0% | 100%
File Change History per Logical Decomposition
primary
primary (file age distribution)
Days since first update
366+
181-365
91-180
31-90
1-30
src/devices95% | 4% | 0% | 0% | 0%
src/vmm97% | 2% | 0% | 0% | 0%
src/dumbo100% | 0% | 0% | 0% | 0%
src/api_server99% | 0% | <1% | 0% | 0%
src/arch71% | 28% | 0% | 0% | 0%
src/cpuid100% | 0% | 0% | 0% | 0%
src/jailer99% | <1% | 0% | 0% | 0%
src/net_gen100% | 0% | 0% | 0% | 0%
src/mmds75% | 24% | 0% | 0% | 0%
src/utils91% | 0% | 8% | 0% | 0%
src/arch_gen100% | 0% | 0% | 0% | 0%
src/logger100% | 0% | 0% | 0% | 0%
src/firecracker100% | 0% | 0% | 0% | 0%
src/rate_limiter100% | 0% | 0% | 0% | 0%
src/snapshot100% | 0% | 0% | 0% | 0%
src/virtio_gen100% | 0% | 0% | 0% | 0%
src/vm-memory100% | 0% | 0% | 0% | 0%
tools/parse_baselines89% | 10% | 0% | 0% | 0%
ROOT90% | 0% | 10% | 0% | 0%
tools/devctr100% | 0% | 0% | 0% | 0%
src/seccompiler0% | 100% | 0% | 0% | 0%
src/io_uring0% | 0% | 97% | 2% | 0%
primary (latest change distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
src/dumbo37% | 39% | 10% | 0% | 12%
src/net_gen91% | 0% | <1% | 0% | 8%
src/arch_gen99% | <1% | <1% | 0% | 0%
src/devices4% | 48% | 4% | 23% | 19%
src/virtio_gen98% | 0% | 1% | 0% | 0%
src/api_server10% | 3% | 3% | 5% | 76%
src/vmm1% | 17% | 5% | 7% | 67%
src/utils11% | 4% | 2% | 63% | 18%
src/snapshot22% | 0% | 2% | 0% | 74%
src/arch2% | 81% | 3% | 0% | 12%
src/jailer2% | <1% | <1% | 0% | 95%
ROOT73% | 0% | 26% | 0% | 0%
src/cpuid1% | 21% | <1% | 0% | 76%
src/mmds<1% | 20% | 6% | 0% | 72%
src/seccompiler0% | 63% | 16% | 20% | 0%
src/rate_limiter0% | 97% | 2% | 0% | 0%
src/logger0% | 9% | 1% | 0% | 89%
src/firecracker0% | 12% | 2% | 0% | 85%
src/io_uring0% | 0% | 4% | 91% | 3%
src/vm-memory0% | 0% | 0% | 0% | 100%
tools/parse_baselines0% | 0% | 0% | 0% | 100%
tools/devctr0% | 0% | 0% | 0% | 100%
Oldest Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
Cargo.toml
in root
 10 - 160 1546 63
regs.rs
in src/arch/src/x86_64
 262 15 205 1034 10
msr.rs
in src/arch/src/x86_64
 211 4 323 1034 5
mod.rs
in src/arch/src/x86_64
 196 5 205 1034 14
firecracker.yaml
in src/api_server/swagger
 888 - 5 881 48
lib.rs
in src/vmm/src
 627 10 6 881 78
fdt.rs
in src/arch/src/aarch64
 461 20 20 881 24
mod.rs
in src/arch/src/aarch64
 99 4 153 881 13
boot_source.rs
in src/vmm/src/vmm_config
 95 3 272 881 10
lib.rs
in src/arch/src
 39 1 267 881 12
boot_source.rs
in src/api_server/src/request
 36 1 445 881 6
main.rs
in src/firecracker/src
 423 8 15 855 52
logger.rs
in src/vmm/src/vmm_config
 226 8 257 855 22
env.rs
in src/jailer/src
 917 26 15 834 34
arg_parser.rs
in src/utils/src
 836 20 35 834 13
main.rs
in src/jailer/src
 730 8 19 834 29
Cargo.toml
in src/firecracker
 21 - 98 834 21
lib.rs
in src/utils/src
 20 - 112 834 14
Cargo.toml
in src/jailer
 13 - 100 834 15
mmio.rs
in src/vmm/src/device_manager
 685 28 16 823 54
Files Not Recently Changed (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
byte_order.rs
in src/utils/src
 96 1 808 808 1
lib.rs
in src/arch_gen/src
 3 - 805 805 1
lib.rs
in src/virtio_gen/src
 7 - 805 805 1
mod.rs
in src/devices/src/virtio/vsock/unix
 22 - 805 805 1
virtio_ring.rs
in src/virtio_gen/src
 28 - 805 805 1
virtio_net.rs
in src/virtio_gen/src
 28 - 805 805 1
muxer_killq.rs
in src/devices/src/virtio/vsock/unix
 69 - 805 805 1
bytes.rs
in src/dumbo/src/pdu
 72 10 805 808 2
sockios.rs
in src/net_gen/src
 84 - 805 805 1
ethernet.rs
in src/dumbo/src/pdu
 191 3 805 805 1
virtio_blk.rs
in src/virtio_gen/src
 482 6 805 805 1
msr_index.rs
in src/arch_gen/src/x86
 538 - 805 805 1
if_tun.rs
in src/net_gen/src
 594 17 805 805 1
mpspec.rs
in src/arch_gen/src/x86
 827 16 805 805 1
inn.rs
in src/net_gen/src
 838 26 805 805 1
validators.rs
in src/utils/src
 63 2 799 805 2
asc
PGP-KEY.asc
in root
 24 - 670 670 1
persist.rs
in src/snapshot/src
 1 - 632 671 2
mod.rs
in src/vmm/src/device_manager
 3 - 632 805 2
muxer_rxq.rs
in src/devices/src/virtio/vsock/unix
 72 - 629 805 2
Most Recently Created Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
restriction.rs
in src/io_uring/src
 24 1 48 84 2
kernel_version.rs
in src/utils/src
 131 7 79 112 4
submission.rs
in src/io_uring/src/queue
 142 2 48 113 5
mod.rs
in src/io_uring/src/operation
 128 2 48 113 3
cqe.rs
in src/io_uring/src/operation
 80 2 48 113 3
completion.rs
in src/io_uring/src/queue
 75 1 48 113 4
sqe.rs
in src/io_uring/src/operation
 24 1 48 113 2
mmap.rs
in src/io_uring/src/queue
 20 - 23 113 2
probe.rs
in src/io_uring/src
 13 - 48 113 2
mod.rs
in src/io_uring/src/queue
 3 - 113 113 1
lib.rs
in src/io_uring/src
 418 13 47 114 11
bindings.rs
in src/io_uring/src
 44 - 114 114 1
Cargo.toml
in src/io_uring
 12 - 23 114 4
version.rs
in src/api_server/src/request
 19 1 93 117 2
deny.toml
in root
 6 - 159 159 1
token_headers.rs
in src/mmds/src
 104 3 177 217 3
seccompiler_bin.rs
in src/seccompiler/src
 513 9 100 230 4
snapshot_restore.py
in tools/parse_baselines/providers
 20 2 20 232 2
resource_limits.rs
in src/jailer/src
 22 1 240 240 1
token.rs
in src/mmds/src
 386 21 13 254 6
Most Recently Changed Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
firecracker.yaml
in src/api_server/swagger
 888 - 5 881 48
builder.rs
in src/vmm/src
 1265 36 6 778 82
lib.rs
in src/vmm/src
 627 10 6 881 78
serial.rs
in src/devices/src/legacy
 307 18 6 805 22
resources.rs
in src/vmm/src
 1006 22 7 778 45
parsed_request.rs
in src/api_server/src
 945 39 7 805 47
mod.rs
in src/vmm/src/vstate/vcpu
 894 21 7 559 19
x86_64.rs
in src/vmm/src/vstate/vcpu
 470 9 7 541 9
amd.rs
in src/cpuid/src/transformer
 290 13 7 805 12
common.rs
in src/cpuid/src/transformer
 222 11 7 805 11
intel.rs
in src/cpuid/src/transformer
 204 12 7 805 9
machine_configuration.rs
in src/api_server/src/request
 199 4 7 805 10
machine_config.rs
in src/vmm/src/vmm_config
 124 7 7 805 6
mod.rs
in src/cpuid/src/transformer
 113 7 7 805 11
token.rs
in src/mmds/src
 386 21 13 254 6
time.rs
in src/utils/src
 186 6 13 805 7
device.rs
in src/devices/src/virtio/net
 1360 59 14 747 53
rpc_interface.rs
in src/vmm/src
 798 18 14 765 63
persist.rs
in src/vmm/src
 614 15 14 647 43
persist.rs
in src/vmm/src/device_manager
 510 17 14 632 27