microsoft / BuildXL
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: 4421
  • Daily file updates (only one update per file and date counted): 13424
  • First update: 2018-10-12
  • Latest update: 2022-01-29
  • Days between first and latest update: 1206 (172 weeks, estimated 860 working days)
  • Active days (at least one file change): 911
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 4,421 files with 614,935 lines of code in files.
    • 4,109 files that are 366+ days old (585,422 lines of code)
    • 161 files that are 181-365 days old (14,139 lines of code)
    • 76 files that are 91-180 days old (8,787 lines of code)
    • 35 files that are 31-90 days old (3,311 lines of code)
    • 40 files that are 1-30 days old (3,276 lines of code)
95% | 2% | 1% | <1% | <1%
Legend:
366+
181-365
91-180
31-90
1-30
Latest Change Distribution Overall
Days since last update
  • There are 4,421 files with 614,935 lines of code in files.
    • 2,990 files have been last changed 366+ days ago (289,227 lines of code)
    • 496 files have been last changed 181-365 days ago (64,784 lines of code)
    • 240 files have been last changed 91-180 days ago (42,591 lines of code)
    • 364 files have been last changed 31-90 days ago (110,160 lines of code)
    • 331 files have been last changed 1-30 days ago (108,173 lines of code)
47% | 10% | 6% | 17% | 17%
Legend:
366+
181-365
91-180
31-90
1-30
File Change History per File Extension
cs, ts, txt, md, h, cpp, cmd, c, hpp, json, csl, gitignore, ps1, sh, resx, csproj, editorconfig, lua, plist, bat, tsx, props, proto, vsixmanifest, targets, xml, mm, filters, xaml, nuspec, js, cc, psm1, vcxproj, DotSettings, ipynb, npmrc, yaml, in, g4, gitattributes, Props, svg, gp, m, vscodeignore
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
cs94% | 2% | 1% | <1% | <1%
ts100% | 0% | 0% | 0% | 0%
cpp99% | <1% | 0% | 0% | 0%
h99% | <1% | 0% | 0% | 0%
hpp100% | 0% | 0% | 0% | 0%
cmd98% | 0% | <1% | <1% | 0%
csl100% | 0% | 0% | 0% | 0%
ps189% | 4% | 6% | 0% | 0%
c100% | 0% | 0% | 0% | 0%
mm100% | 0% | 0% | 0% | 0%
proto100% | 0% | 0% | 0% | 0%
filters100% | 0% | 0% | 0% | 0%
lua100% | 0% | 0% | 0% | 0%
props100% | 0% | 0% | 0% | 0%
g4100% | 0% | 0% | 0% | 0%
m100% | 0% | 0% | 0% | 0%
psm1100% | 0% | 0% | 0% | 0%
vsixmanifest61% | 0% | 38% | 0% | 0%
xaml100% | 0% | 0% | 0% | 0%
targets100% | 0% | 0% | 0% | 0%
gp100% | 0% | 0% | 0% | 0%
Props100% | 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
cs42% | 11% | 7% | 18% | 20%
ts96% | 0% | <1% | 3% | 0%
cpp56% | 8% | 3% | 32% | 0%
h64% | 24% | 1% | 10% | 0%
hpp70% | 10% | 1% | 18% | 0%
cmd65% | 9% | 1% | 22% | 1%
csl86% | 0% | 4% | 0% | 9%
ps138% | 2% | 6% | 48% | 4%
c65% | 0% | 5% | 29% | 0%
mm61% | 0% | 0% | 38% | 0%
filters100% | 0% | 0% | 0% | 0%
lua73% | 26% | 0% | 0% | 0%
props100% | 0% | 0% | 0% | 0%
g4100% | 0% | 0% | 0% | 0%
m100% | 0% | 0% | 0% | 0%
proto14% | 0% | 44% | 40% | 0%
psm1100% | 0% | 0% | 0% | 0%
xaml100% | 0% | 0% | 0% | 0%
targets100% | 0% | 0% | 0% | 0%
vsixmanifest25% | 0% | 74% | 0% | 0%
gp100% | 0% | 0% | 0% | 0%
Props100% | 0% | 0% | 0% | 0%
in100% | 0% | 0% | 0% | 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
Public/Src95% | 2% | 1% | <1% | <1%
Shared/Scripts96% | 1% | 2% | 0% | 0%
Private/Wdg100% | 0% | 0% | 0% | 0%
Private/CloudStorePlayground100% | 0% | 0% | 0% | 0%
ROOT97% | 0% | <1% | 2% | 0%
Private/CloudTest100% | 0% | 0% | 0% | 0%
Public/Sdk100% | 0% | 0% | 0% | 0%
Private/DistributedIntegrationTest95% | 0% | 4% | 0% | 0%
Shared/Npm100% | 0% | 0% | 0% | 0%
Private/InternalSdk100% | 0% | 0% | 0% | 0%
Private/macOS100% | 0% | 0% | 0% | 0%
primary (latest change distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
Public/Src46% | 10% | 7% | 18% | 17%
Shared/Scripts66% | 3% | 4% | 19% | 5%
Private/Wdg66% | 33% | 0% | 0% | 0%
Private/CloudStorePlayground100% | 0% | 0% | 0% | 0%
Public/Sdk88% | 0% | 0% | 11% | 0%
ROOT48% | 2% | <1% | 45% | 3%
Private/CloudTest48% | 38% | 0% | 12% | 0%
Private/DistributedIntegrationTest56% | 38% | 4% | 0% | 0%
Shared/Npm100% | 0% | 0% | 0% | 0%
Private/InternalSdk100% | 0% | 0% | 0% | 0%
Private/macOS100% | 0% | 0% | 0% | 0%
Oldest Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
Checker.cs
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/TypeChecking
 17855 783 59 1040 12
checker.ts
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/TypeScriptImpl
 12727 800 1040 1040 1
emitter.ts
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/TypeScriptImpl
 6012 309 1040 1040 1
Scheduler.cs
in Public/Src/Engine/Scheduler
 5544 119 4 1040 209
DetouredFunctions.cpp
in Public/Src/Sandbox/Windows/DetoursServices
 5389 126 74 1040 53
Parser.ts
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/TypeScriptImpl
 4710 376 1040 1040 1
Parser.cs
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/Parsing
 4410 308 59 1040 6
SandboxedProcessPipExecutor.cs
in Public/Src/Engine/Processes
 4340 113 18 1040 137
PipExecutor.cs
in Public/Src/Engine/Scheduler
 4026 83 4 1040 121
FileSystem.Win.cs
in Public/Src/Utilities/Native/IO/Windows
 3613 111 12 1040 39
Log.cs
in Public/Src/Engine/Scheduler/Tracing
 3489 1 4 1040 135
FileContentManager.cs
in Public/Src/Engine/Scheduler/Artifacts
 3108 111 4 1040 75
Engine.cs
in Public/Src/Engine/Dll
 2975 59 2 1040 133
FileChangeTrackingSet.cs
in Public/Src/Utilities/Storage/ChangeTracking
 2682 80 59 1040 13
Log.cs
in Public/Src/Engine/Dll/Tracing
 2560 1 12 1040 81
LocalLocationStoreDistributedContentTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/ContentLocation
 2493 70 3 1040 121
NativeMethods.cs
in Public/Src/Cache/ContentStore/Library/FileSystem
 2291 5 747 1040 6
AstConverter.cs
in Public/Src/FrontEnd/Script/RuntimeModel/AstBridge
 2239 127 124 1040 14
disasm.cpp
in Public/Src/Sandbox/Windows/Detours/Lib
 2167 97 1040 1040 1
Utilities.ts
in Public/Src/FrontEnd/TypeScript.Net/TypeScript.Net/TypeScriptImpl
 2165 221 1040 1040 1
Files Not Recently Changed (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
cmd
bxl.cmd
in root
 1 - 1040 1040 1
cmd
GitRemotePruneOrigin.cmd
in Shared/Scripts
 1 - 1040 1040 1
stdafx.cpp
in Public/Src/Sandbox/Windows/DetoursTests
 1 - 1040 1040 1
in
ReadExclusive.in
in Public/Src/Sandbox/Windows/DetoursTests
 1 - 1040 1040 1
stdafx.cpp
in Public/Src/Sandbox/Windows/DetoursServices
 1 - 1040 1040 1
cmd
converge.cmd
in Shared/Scripts
 2 - 1040 1040 1
cmd
VerifyDistributedCacheShare.cmd
in Shared/Scripts
 2 - 1040 1040 1
ShortNames.h
in Public/Src/Sandbox/Windows/DetoursTests
 2 - 1040 1040 1
ReadExclusive.h
in Public/Src/Sandbox/Windows/DetoursTests
 2 - 1040 1040 1
Timestamps.h
in Public/Src/Sandbox/Windows/DetoursTests
 3 - 1040 1040 1
DetouredScope.cpp
in Public/Src/Sandbox/Windows/DetoursServices
 3 - 1040 1040 1
target.h
in Public/Src/Sandbox/Windows/Detours/Lib
 3 - 1040 1040 1
cmd
build.cmd
in Private/InternalSdk/QTestSample
 3 - 1040 1040 1
csl
DominoInvocationSyncTest.csl
in Shared/Scripts/kusto/functions
 4 - 1040 1040 1
cmd
KillBxlInstancesInRepo.cmd
in Shared/Scripts
 4 - 1040 1040 1
stdafx-mac-kext.h
in Public/Src/Sandbox/Windows/DetoursServices
 4 - 1040 1040 1
lua
Scan.lua
in Public/Src/Cache/ContentStore/Distributed/Redis/Scripts
 4 - 1040 1040 1
cmd
SetEnv.cmd
in Shared/Scripts
 5 - 1040 1040 1
Assertions.cpp
in Public/Src/Sandbox/Windows/DetoursServices
 6 - 1040 1040 1
OpNames.cpp
in Public/Src/Sandbox/MacOs/Sandbox/Src/Kauth
 6 - 1040 1040 1
Most Recently Created Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
BlobFolderStorage.cs
in Public/Src/Cache/ContentStore/Distributed/Blob
 300 12 4 4 1
DistributedCentralStorageLocationStoreAdapter.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache
 92 9 4 4 1
AzuriteStorageProcess.cs
in Public/Src/Cache/ContentStore/DistributedTest/Redis
 258 10 4 5 2
CredentialProviderHelper.cs
in Public/Src/Utilities/Authentication
 208 10 5 5 1
VssCredentialsFactory.cs
in Public/Src/Utilities/Authentication
 143 8 5 5 1
VsoAadConstants.cs
in Public/Src/Utilities/Authentication
 12 - 5 5 1
InterProcessSecretsCommunicator.cs
in Public/Src/Cache/DistributedCache.Host/Service/Internal
 196 8 6 6 1
ClusterStateMachine.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 216 10 6 10 2
ClusterStateManager.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 172 4 10 10 1
ClusterStateMachineTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/ContentLocation/NuCache
 155 8 10 10 1
BlobClusterStateStorageTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/ContentLocation/NuCache
 149 4 6 10 2
BlobClusterStateStorage.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 128 2 4 10 2
TransitionalClusterStateStorage.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 64 4 10 10 1
MachineRecord.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 22 1 10 10 1
IClusterStateStorage.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 20 - 4 10 2
ClusterStateGarbageCollectionConfiguration.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache/ClusterStateManagement
 13 - 10 10 1
AnyBuildRemoteProcessManager.cs
in Public/Src/Engine/Processes/Remoting/AnyBuild
 158 6 18 18 1
RemoteProcessManagerFactory.cs
in Public/Src/Engine/Processes/Remoting
 35 1 18 18 1
AnyBuildRemoteProcessPipResult.cs
in Public/Src/Engine/Processes/Remoting/AnyBuild
 33 1 18 18 1
AnyBuildRemoteProcess.cs
in Public/Src/Engine/Processes/Remoting/AnyBuild
 27 2 18 18 1
Most Recently Changed Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
Engine.cs
in Public/Src/Engine/Dll
 2975 59 2 1040 133
StringTable.cs
in Public/Src/Utilities/Utilities
 981 48 2 1040 21
EngineEnvironmentSettings.cs
in Public/Src/Utilities/Configuration
 305 18 2 1040 51
cmd
BuildXLLkgVersion.cmd
in Shared/Scripts
 3 - 2 1040 529
cmd
BuildXLLkgVersionPublic.cmd
in Shared/Scripts
 3 - 2 1040 515
LocalLocationStoreDistributedContentTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/ContentLocation
 2493 70 3 1040 121
DistributedContentSettings.cs
in Public/Src/Cache/DistributedCache.Host/Configuration
 801 4 3 1040 172
DistributedContentStoreFactory.cs
in Public/Src/Cache/DistributedCache.Host/Service/Internal
 694 16 3 1040 162
LocalLocationStoreDistributedContentTestsBase.cs
in Public/Src/Cache/ContentStore/DistributedTest/ContentLocation
 470 26 3 495 27
RedisGlobalStore.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache
 427 11 3 1040 45
ContentLocationStoreServices.cs
in Public/Src/Cache/ContentStore/Distributed/Services
 188 9 3 35 5
ContentSessionTestsBase.cs
in Public/Src/Cache/ContentStore/InterfacesTest/Sessions
 134 5 3 634 3
DistributedContentSessionTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/Sessions
 82 7 3 1040 16
Scheduler.cs
in Public/Src/Engine/Scheduler
 5544 119 4 1040 209
PipExecutor.cs
in Public/Src/Engine/Scheduler
 4026 83 4 1040 121
Log.cs
in Public/Src/Engine/Scheduler/Tracing
 3489 1 4 1040 135
FileContentManager.cs
in Public/Src/Engine/Scheduler/Artifacts
 3108 111 4 1040 75
LocalLocationStore.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache
 1744 62 4 1040 104
DistributedContentTests.cs
in Public/Src/Cache/ContentStore/DistributedTest/Sessions
 730 46 4 1040 44
ContentLocationDatabase.cs
in Public/Src/Cache/ContentStore/Distributed/NuCache
 580 31 4 1040 58