Awesome Open Source
Awesome Open Source

🔥 flamebearer

A blazing fast flame graph tool for Node and V8. Used to visualize and explore performance profiling results. Designed to produce fast, lightweight flame graphs that remain responsive even on really big input.

Example graph

Usage

Use the online version, or the command line tool:

# install flamebearer (Node v8.5+ required)
$ npm install -g flamebearer

# profile your app
$ node --prof app.js

# generate flamegraph.html from a V8 log and open it in the browser
$ node --prof-process --preprocess -j isolate*.log | flamebearer

Thanks


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