An ETL file is created by Microsoft Tracelog, an event tracing controller that operates through the Windows Command Prompt.
Tracelog is bundled into the WDK, Visual Studio and Windows SDK desktop applications and can be accused through the tracelog.exe file.
.etl File Extension
Developer:
Microsoft
File category:
What are etl files & how to open them - Microsoft Event Trace Log File
File category:
Developer:
Microsoft