Side by side
Node.js --prof vs YourKit Java Profiler
Both stand on profiling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted+1
Node.js --prof provides a focused, free route to sampling-based CPU profiling, with a separate option for processing its output. Its fit depends on whether that profiling scope and mode match your needs.
Visit Node.js --prof Free plan APILinuxMac+2
YourKit combines CPU and memory analysis with inspections, database and HTTP visibility, and remote profiling. Confirm the support tier for your target operating system before choosing a license.
Visit YourKit Java ProfilerThe facts
| Node.js --prof | YourKit Java Profiler | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Self-hosted, Windows | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 10 |
| Maker | Not published | Not published |
| Website | nodejs.org | yourkit.com |
| On profiling software | #9 of 29 | #13 of 29 |
Node.js --prof: what it does well
- Generates V8 profiler output from the command line.
- Sampling-based CPU profiling supports JavaScript and C++.
- Free, with Linux, macOS, and Windows listed.
- `--prof-process` processes profiler output.
What to know first
- The listed profiling mode is sampling.
- The feature is scoped to CPU profiling for JavaScript and C++.
YourKit Java Profiler: what it does well
- CPU profiles include call trees and hotspot lists
- Memory views show retained object memory
- More than 40 performance inspections
- IDE plugins link results to source code
- Remote profiling needs SSH access
What to know first
- Some operating systems require advanced support
- Evaluation license is limited to up to 15 days
Alternatives to Node.js --prof Alternatives to YourKit Java Profiler The whole list