📊 node-memory-flamegraphs

Tool for generating memory flamegraphs of Node applications

Usage

Once you have node-memory-flamegraphs installed, you can use it in a few different ways.

If you have a Node application already running with node --inspect ... or node --inspect-brk ...:

node-memory-flamegraphs

To supply the initial Node script to run in a debugger in the background, use --entry-point:

node-memory-flamegraphs --entry-point ./project/awesome.js

To delay collecting the samples, use --delay:

node-memory-flamegraphs --delay 5000

To change the sampling frequency, use --frequency:

node-memory-flamegraphs --frequency 500

Press Ctrl+C to finish sampling and to generate the flamegraph.

Screenshot

License

Copyright (c) 2022 Daniel Lockyer - Released under the MIT license.