flamebearer

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  "desc": "Blazing fast flame graph tool for V8 and Node",
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  "enrichment_fetched_at": "2026-06-20T23:37:41+00:00",
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  "github_last_commit_at": "2026-06-17T20:48:01Z",
  "github_readme_excerpt": "\u003e [!WARNING]\n\u003e This project is deprecated. For a fast, modern flame graph explorer, check out [Speedscope](https://www.speedscope.app/).\n\n# \ud83d\udd25 flamebearer\n\nA blazing fast [flame graph](http://www.brendangregg.com/flamegraphs.html) tool for Node and V8.\nUsed to visualize and explore performance profiling results.\nDesigned to produce fast, lightweight flame graphs that remain responsive even on really big input.\n\n## [Example graph](https://mapbox.github.io/flamebearer/examples/rollup.html)\n\n## Usage\n\nUse the [online version](https://mapbox.github.io/flamebearer/), or the command line tool:\n\n```bash\n# install flamebearer (Node v8.5+ required)\n$ npm install -g flamebearer\n\n# profile your app\n$ node --prof app.js\n\n# generate flamegraph.html from a V8 log and open it in the browser\n$ node --prof-process --preprocess -j isolate*.log | flamebearer\n```\n\n## Thanks\n\n- [Brendan Gregg](http://brendangregg.com/) for creating the [concept](https://queue.acm.org/detail.cfm?id=2927301) and maintaining the [reference implementation](http://brendangregg.com/flamegraphs.html).\n- [David Mark Clements](https://github.com/davidmarkclements) for creating [0x](https://github.com/davidmarkclements/0x) which inspired this project.\n- [Bernard Cornwell](http://www.bernardcornwell.net/books/) for the amazing books this project took its name from.\n",
  "github_repo": "mapbox/flamebearer",
  "github_stars": 1657,
  "github_topics": [
    "flame-graph",
    "javascript",
    "node",
    "performance",
    "profiling",
    "v8",
    "visualization"
  ],
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  "ruby_source_path": "Formula/f/flamebearer.rb",
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  "version_stable": "1.1.3",
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