- System requirements
- Profiler architecture
- Profiler installation
- Uninstall profiler
- Running the profiler
- Profiler activation
- Welcome screen
- Start profiling
- Profiling overhead
- Snapshots
- Solving performance problems
- CPU profiling
- Thread profiling
- Virtual threads support
- Object allocation profiling
- Memory profiling
- Monitor profiling
- Exception profiling
- Telemetry
- Probes: monitor events of various kinds
- Inspections: automatic recognition of typical problems
- Automatically trigger actions on event
- Automatic deobfuscation
- Summary
- Filters
- Profiler command line
- Export of profiling results to external formats
- Profiler Java API
- Profiler HTTP API
- Settings
- Troubleshooting and FAQ
Profiler installation
Interactive installation
Linux
Download and unzip the profiler archive.
macOS
Download and mount disk image, drag the profiler app to the Applications folder.
Windows
Download and run the installer following the wizard steps.
Unattended installation
Unattended installation is performed without user interaction, usually for automation purposes.
The following example uses command line options
to enter the license key and accept profiler EULA.
Replace <arch>, <build> and <key> with actual values.
Linux
unzip YourKit-JavaProfiler-2025.3-<build>-<arch>.zip
YourKit-JavaProfiler-2025.3/bin/profiler.sh -accept-eula -license-key=<key>macOS
hdiutil attach YourKit-JavaProfiler-2025.3-<build>-<arch>.dmg
cp -r /Volumes/YourKit\ Java\ Profiler/YourKit\ Java\ Profiler.app ~/Applications
~/Applications/YourKit\ Java\ Profiler.app/Contents/Resources/bin/profiler.sh -accept-eula -license-key=<key>Windows
start /wait YourKit-JavaProfiler-2025.3-<build>-<arch>.exe /S /D=C:\profiler
start /wait C:\profiler\bin\profiler.exe -accept-eula -license-key=<key>