microsoft / perfview
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 365 files with 267,973 lines of code.
    • 4 files changed more than 100 times (25,637 lines of code)
    • 8 files changed 51-100 times (29,942 lines of code)
    • 38 files changed 21-50 times (50,165 lines of code)
    • 120 files changed 6-20 times (116,620 lines of code)
    • 195 files changed 1-5 times (45,609 lines of code)
9% | 11% | 18% | 43% | 17%
Legend:
101+
51-100
21-50
6-20
1-5

Detailed data...

File Change Frequency per File Extension
cs, txt, xaml, csproj, md, xml, json, bat, htm, cpp, h, props, sh, yml, nuspec, targets, vcxproj, man, gitignore, dockerfile, filters, gitattributes, TXT, editorconfig, html, resx, XML, asm, cmd
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
cs6% | 11% | 19% | 44% | 17%
htm92% | 0% | 0% | 5% | 1%
props23% | 0% | 0% | 68% | 8%
xaml0% | 0% | 15% | 51% | 32%
cpp0% | 0% | 0% | 92% | 7%
vcxproj0% | 0% | 0% | 100% | 0%
html0% | 0% | 0% | 100% | 0%
h0% | 0% | 0% | 13% | 86%
man0% | 0% | 0% | 0% | 100%
filters0% | 0% | 0% | 0% | 100%
asm0% | 0% | 0% | 0% | 100%
targets0% | 0% | 0% | 0% | 100%
TXT0% | 0% | 0% | 0% | 100%
cmd0% | 0% | 0% | 0% | 100%
yml0% | 0% | 0% | 0% | 100%
XML0% | 0% | 0% | 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
src/PerfView26% | 10% | 18% | 29% | 14%
src/TraceEvent5% | 14% | 17% | 51% | 11%
src85% | 0% | 0% | 0% | 15%
src/FastSerialization0% | 0% | 44% | 29% | 25%
src/HeapDump0% | 0% | 20% | 40% | 38%
src/MemoryGraph0% | 0% | 89% | 10% | 0%
src/TraceParserGen0% | 0% | 38% | 53% | 8%
src/CSVReader0% | 0% | 0% | 30% | 69%
src/EtwClrProfiler0% | 0% | 0% | 43% | 56%
src/EtwHeapDump0% | 0% | 0% | 100% | 0%
src/PerfViewExtensions0% | 0% | 0% | 100% | 0%
src/Utilities0% | 0% | 0% | 32% | 67%
src/PerfView640% | 0% | 0% | 7% | 92%
src/related0% | 0% | 0% | 0% | 100%
src/PerfView.TestUtilities0% | 0% | 0% | 0% | 100%
src/HeapDumpCommon0% | 0% | 0% | 0% | 100%
ROOT0% | 0% | 0% | 0% | 100%
src/NugetSupportFiles0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 20)

See data for all files...

File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
PerfViewData.cs
in src/PerfView
 8369 218 95 2120 164
TraceLog.cs
in src/TraceEvent
 8098 284 62 2121 143
UsersGuide.htm
in src/PerfView/SupportFiles
 9136 - 151 1969 127
props
Directory.Build.props
in src
 34 - 75 1631 120
CommandProcessor.cs
in src/PerfView
 3359 68 95 2070 93
SymbolReader.cs
in src/TraceEvent/Symbols
 1802 29 95 2111 92
TraceEvent.cs
in src/TraceEvent
 3304 137 151 2121 91
ClrTraceEventParser.cs
in src/TraceEvent/Parsers
 11954 596 190 2113 89
TraceManagedProcess.cs
in src/TraceEvent/Computers
 3383 95 6 2054 85
StackWindow.xaml.cs
in src/PerfView/StackViewer
 3754 141 81 2096 65
TraceEventSession.cs
in src/TraceEvent
 2382 51 151 2117 64
AssemblyInfo.cs
in src/PerfView/Properties
 4 - 1232 2110 52
KernelTraceEventParser.cs
in src/TraceEvent/Parsers
 12217 512 84 2105 50
CommandLineArgs.cs
in src/PerfView
 531 6 151 2098 49
GCHeapDumper.cs
in src/HeapDump
 2696 58 151 2113 49
App.cs
in src/PerfView
 1121 22 95 1981 46
StartStopActivityComputer.cs
in src/TraceEvent/Computers
 1210 29 140 2117 46
RunCommandDialog.xaml.cs
in src/PerfView/Dialogs
 865 25 95 1832 45
Extensibility.cs
in src/PerfView
 1741 64 95 2110 44
graph.cs
in src/MemoryGraph
 2110 82 129 1709 39