Q71: How do you profile CPU usage in a Node.js application?
Run the application with the --prof V8 flag, perform load operations, and analyze the resulting tick log file using node --prof-process isolate-*.log.
Key Takeaways
- Generate V8 profiling logs using
--profflag. - Process output tick logs to identify performance bottleneck functions.
Knowledge Check
Which command-line flag enables V8 built-in CPU profiling tick logs?