apple / swift-llbuild
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: 597
  • Daily file updates (only one update per file and date counted): 869
  • First update: 2014-09-17
  • Latest update: 2022-01-28
  • Days between first and latest update: 2691 (384 weeks, estimated 1920 working days)
  • Active days (at least one file change): 776
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 423 files with 99,849 lines of code in files.
    • 419 files that are 366+ days old (99,410 lines of code)
    • 4 files that are 181-365 days old (439 lines of code)
    • 0 files that are 91-180 days old (0 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)
99% | <1% | 0% | 0% | 0%
Legend:
366+
181-365
91-180
31-90
1-30
Latest Change Distribution Overall
Days since last update
  • There are 423 files with 99,849 lines of code in files.
    • 353 files have been last changed 366+ days ago (77,969 lines of code)
    • 25 files have been last changed 181-365 days ago (4,021 lines of code)
    • 5 files have been last changed 91-180 days ago (1,527 lines of code)
    • 31 files have been last changed 31-90 days ago (10,481 lines of code)
    • 9 files have been last changed 1-30 days ago (5,851 lines of code)
78% | 4% | 1% | 10% | 5%
Legend:
366+
181-365
91-180
31-90
1-30
File Change History per File Extension
h, cpp, ninja, txt, swift, md, py, inc, html, cc, cfg, sh, rst, gitignore, mm, 04, in, cmake, c, el, css, TXT, plist, json, podspec, clang-format, m
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
cpp99% | <1% | 0% | 0% | 0%
h99% | <1% | 0% | 0% | 0%
cc100% | 0% | 0% | 0% | 0%
inc100% | 0% | 0% | 0% | 0%
swift94% | 5% | 0% | 0% | 0%
py100% | 0% | 0% | 0% | 0%
mm100% | 0% | 0% | 0% | 0%
c100% | 0% | 0% | 0% | 0%
html100% | 0% | 0% | 0% | 0%
cmake100% | 0% | 0% | 0% | 0%
TXT100% | 0% | 0% | 0% | 0%
m100% | 0% | 0% | 0% | 0%
el100% | 0% | 0% | 0% | 0%
css100% | 0% | 0% | 0% | 0%
in100% | 0% | 0% | 0% | 0%
Latest Change Distribution per Extension
Days since last update
366+
181-365
91-180
31-90
1-30
h94% | 1% | <1% | 2% | <1%
cpp64% | 5% | 2% | 18% | 9%
cc100% | 0% | 0% | 0% | 0%
inc79% | 0% | 0% | 13% | 7%
swift40% | 27% | 4% | 7% | 20%
py100% | 0% | 0% | 0% | 0%
c100% | 0% | 0% | 0% | 0%
html100% | 0% | 0% | 0% | 0%
cmake100% | 0% | 0% | 0% | 0%
mm5% | 0% | 0% | 94% | 0%
TXT100% | 0% | 0% | 0% | 0%
el100% | 0% | 0% | 0% | 0%
css100% | 0% | 0% | 0% | 0%
in100% | 0% | 0% | 0% | 0%
m0% | 0% | 0% | 100% | 0%
File Change History per Logical Decomposition
primary
primary (file age distribution)
Days since first update
366+
181-365
91-180
31-90
1-30
lib100% | 0% | 0% | 0% | 0%
include100% | 0% | 0% | 0% | 0%
utils100% | 0% | 0% | 0% | 0%
products94% | 5% | 0% | 0% | 0%
unittests98% | 1% | 0% | 0% | 0%
perftests100% | 0% | 0% | 0% | 0%
experimental100% | 0% | 0% | 0% | 0%
ROOT100% | 0% | 0% | 0% | 0%
bindings100% | 0% | 0% | 0% | 0%
cmake100% | 0% | 0% | 0% | 0%
primary (latest change distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
lib70% | 4% | 2% | 14% | 7%
include95% | 1% | <1% | 2% | 0%
utils98% | 0% | 0% | 1% | 0%
products43% | 13% | 0% | 4% | 37%
unittests31% | 12% | 0% | 49% | 5%
experimental100% | 0% | 0% | 0% | 0%
bindings100% | 0% | 0% | 0% | 0%
cmake100% | 0% | 0% | 0% | 0%
perftests5% | 0% | 0% | 94% | 0%
ROOT0% | 0% | 100% | 0% | 0%
Oldest Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
cmake
Utility.cmake
in cmake/modules
 63 - 791 2693 33
Version.cpp
in lib/Basic
 14 1 810 2693 6
Version.h
in include/llbuild/Basic
 9 - 2077 2693 2
gtest-param-util-generated.h
in utils/unittest/googletest/include/gtest/internal
 4562 105 1552 2692 3
gtest.cc
in utils/unittest/googletest/src
 3440 257 1224 2692 4
gtest-type-util.h
in utils/unittest/googletest/include/gtest/internal
 3082 1 1552 2692 3
gtest-port.h
in utils/unittest/googletest/include/gtest/internal
 1250 80 1552 2692 3
gtest-param-test.h
in utils/unittest/googletest/include/gtest
 1016 19 1509 2692 6
gtest.h
in utils/unittest/googletest/include/gtest
 853 61 1509 2692 5
gtest-port.cc
in utils/unittest/googletest/src
 841 64 1224 2692 4
gtest-death-test.cc
in utils/unittest/googletest/src
 836 39 1224 2692 4
gtest-tuple.h
in utils/unittest/googletest/include/gtest/internal
 752 45 1552 2692 3
gtest-internal.h
in utils/unittest/googletest/include/gtest/internal
 615 41 1509 2692 5
gtest-internal-inl.h
in utils/unittest/googletest/src
 558 46 1552 2692 3
gtest-printers.h
in utils/unittest/googletest/include/gtest
 521 58 1509 2692 5
gtest-param-util.h
in utils/unittest/googletest/include/gtest/internal
 448 28 1552 2692 3
LexerTest.cpp
in unittests/Ninja
 245 - 2308 2692 10
gtest-filepath.cc
in utils/unittest/googletest/src
 244 17 1552 2692 3
gtest-printers.cc
in utils/unittest/googletest/src
 225 21 1552 2692 3
gtest_pred_impl.h
in utils/unittest/googletest/include/gtest
 217 5 1552 2692 3
Files Not Recently Changed (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
cmake
FindLit.cmake
in cmake/modules
 14 - 2692 2692 1
TXT
LICENSE.TXT
in utils/unittest/googletest
 25 - 2692 2692 1
TestMain.cpp
in utils/unittest/UnitTestMain
 5 1 2652 2692 2
NinjaBuildCommand.h
in lib/Commands
 10 - 2493 2669 3
WindowsError.h
in include/llvm/Support
 7 - 2395 2395 1
MathExtras.cpp
in lib/llvm/Support
 13 - 2395 2395 1
Mutex.inc
in lib/llvm/Support/Unix
 20 - 2395 2395 1
Unicode.cpp
in lib/llvm/Support
 316 3 2395 2395 1
el
llbuild-project-settings.el
in utils/emacs
 13 - 2378 2378 1
SerialQueue.h
in include/llbuild/Basic
 16 - 2330 2330 1
SerialQueueTest.cpp
in unittests/Basic
 29 - 2330 2330 1
Commands.h
in include/llbuild/Commands
 16 - 2308 2687 8
LLVM.h
in include/llbuild/Basic
 35 - 2308 2308 1
Lexer.h
in include/llbuild/Ninja
 85 6 2308 2692 9
LexerTest.cpp
in unittests/Ninja
 245 - 2308 2692 10
Hashing.cpp
in lib/Basic
 10 1 2300 2517 5
libstdc++14-workaround.h
in include
 4 - 2271 2271 1
DependencyInfoParser.h
in include/llbuild/Core
 27 - 2149 2149 1
DependencyInfoParser.cpp
in lib/Core
 67 1 2149 2149 1
Version.h
in include/llbuild/Basic
 9 - 2077 2693 2
Most Recently Created Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
gtest-param-util-generated.h
in utils/unittest/googletest/src/include/gtest/internal
 4562 105
gtest-type-util.h
in utils/unittest/googletest/src/include/gtest/internal
 3082 1
gtest-port.h
in utils/unittest/googletest/src/include/gtest/internal
 1250 80
CommandLine.h
in lib/llvm/Support/include/llvm/Support
 1060 178
gtest-param-test.h
in utils/unittest/googletest/src/include/gtest
 1016 19
DenseMap.h
in lib/llvm/Support/include/llvm/ADT
 911 76
APInt.h
in lib/llvm/Support/include/llvm/ADT
 906 116
gtest.h
in utils/unittest/googletest/src/include/gtest
 853 61
STLExtras.h
in lib/llvm/Support/include/llvm/ADT
 831 86
gtest-tuple.h
in utils/unittest/googletest/src/include/gtest/internal
 752 45
APFloat.h
in lib/llvm/Support/include/llvm/ADT
 743 84
Error.h
in lib/llvm/Support/include/llvm/Support
 666 63
gtest-internal.h
in utils/unittest/googletest/src/include/gtest/internal
 615 41
SmallVector.h
in lib/llvm/Support/include/llvm/ADT
 612 63
FileSystem.h
in lib/llvm/Support/include/llvm/Support
 600 37
gtest-printers.h
in utils/unittest/googletest/src/include/gtest
 521 58
MathExtras.h
in lib/llvm/Support/include/llvm/Support
 520 71
StringRef.h
in lib/llvm/Support/include/llvm/ADT
 461 54
gtest-param-util.h
in utils/unittest/googletest/src/include/gtest/internal
 448 28
Triple.h
in lib/llvm/Support/include/llvm/ADT
 445 61
Most Recently Changed Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
gtest-param-util-generated.h
in utils/unittest/googletest/src/include/gtest/internal
 4562 105
gtest-type-util.h
in utils/unittest/googletest/src/include/gtest/internal
 3082 1
gtest-port.h
in utils/unittest/googletest/src/include/gtest/internal
 1250 80
CommandLine.h
in lib/llvm/Support/include/llvm/Support
 1060 178
gtest-param-test.h
in utils/unittest/googletest/src/include/gtest
 1016 19
DenseMap.h
in lib/llvm/Support/include/llvm/ADT
 911 76
APInt.h
in lib/llvm/Support/include/llvm/ADT
 906 116
gtest.h
in utils/unittest/googletest/src/include/gtest
 853 61
STLExtras.h
in lib/llvm/Support/include/llvm/ADT
 831 86
gtest-tuple.h
in utils/unittest/googletest/src/include/gtest/internal
 752 45
APFloat.h
in lib/llvm/Support/include/llvm/ADT
 743 84
Error.h
in lib/llvm/Support/include/llvm/Support
 666 63
gtest-internal.h
in utils/unittest/googletest/src/include/gtest/internal
 615 41
SmallVector.h
in lib/llvm/Support/include/llvm/ADT
 612 63
FileSystem.h
in lib/llvm/Support/include/llvm/Support
 600 37
gtest-printers.h
in utils/unittest/googletest/src/include/gtest
 521 58
MathExtras.h
in lib/llvm/Support/include/llvm/Support
 520 71
StringRef.h
in lib/llvm/Support/include/llvm/ADT
 461 54
gtest-param-util.h
in utils/unittest/googletest/src/include/gtest/internal
 448 28
Triple.h
in lib/llvm/Support/include/llvm/ADT
 445 61