REM Step 4: Launch the target application using vsexe.exe echo Launching MyApp under profiler... vsexe.exe /trace /env:exclusive C:\MyApp\MyApp.exe
REM Step 2: Set exclusive mode environment for .NET and native echo Setting up exclusive CLR profiling environment... VSPerfClrEnv /exclusive /globaltrace
This article provides an exhaustive breakdown of vsprefixcleanup.exe vs vsexe.exe , their roles, how they behave in an exclusive profiling session, and best practices for using them effectively. Before comparing the two executables, it’s crucial to understand the environment they operate in. vsprecleanvsexe visual studio 2012 exclusive
REM Step 1: Clean up any stale profiler environment variables echo Cleaning profiler environment... vsprefixcleanup.exe
Visual Studio 2012 introduced the (Visual Studio Performance) toolset, located typically in: REM Step 4: Launch the target application using vsexe
Failed to enable profiler. Exclusive mode already active by another process. But no other process exists—only leftover variables. | Feature / Aspect | vsexe.exe | vsprefixcleanup.exe | |----------------|-------------|----------------------| | Primary Function | Launch an executable under the profiler | Remove profiler environment variables | | Starts Profiler | Yes | No | | Stops Profiler | Yes (on exit) | No | | Used Standalone | Yes | No (always a helper) | | Effect on Exclusive Mode | May fail if environment is dirty | Prepares environment for exclusive profiling | | Can Fix VSP1001 Errors | No | Yes | | Requires Admin Rights | Often, for exclusive mode | No (user-level cleanup) | | Interaction with .NET | Sets COR_PROFILER | Removes COR_PROFILER | Critical Difference in Exclusive Mode vsexe.exe assumes a clean environment. If you attempt to use vsexe.exe after an unclean shutdown of the profiler (e.g., killed VSPerfMon.exe), vsexe.exe will fail with cryptic errors.
REM Step 3: Start the profiler monitor in exclusive mode echo Starting VSPerfMon in exclusive mode... VSPerfCmd /start:coverage /output:MyAppReport.vsp /exclusive Before comparing the two executables, it’s crucial to
REM Step 5: Stop the profiler (after app exits) echo Stopping profiler... VSPerfCmd /shutdown