Cheat Sheet logoCheat Sheet Today
Node.js CLI Performance & Profiling/Generate V8 profile log

Record profiling output for CPU analysis.

Back to sheetBrowse commands
Sign in to save
Section: Memory, Profiling, and Coverage

Generate V8 profile log

bash
bash
node --prof app.js
Explanation

Useful in performance debugging workflows.

View in sheet →

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Compare commandsView fixes

Related commands

Same sheet · prioritizing Memory, Profiling, and Coverage
Generate CPU profile
Collect a CPU profile for DevTools analysis.
OpenIn sheetbashsame section
Generate heap profile
Record heap allocation data.
OpenIn sheetbashsame section
Increase max old space size
Raise the V8 heap ceiling in MiB.
OpenIn sheetbashsame section
Write heap snapshot on signal
Generate heap snapshots on demand.
OpenIn sheetbashsame section
Trace GC activity
Print V8 garbage collection events.
OpenIn sheetbashsame section
Write V8 coverage output
Collect coverage JSON into a directory.
OpenIn sheetbashsame section