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18 lines
732 B
Markdown
18 lines
732 B
Markdown
# speedscope
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A high-performance interactive web-based viewer for [sampling profiles][0].
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[0]: https://en.wikipedia.org/wiki/Profiling_(computer_programming)#Statistical_profilers
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# Usage
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Visit https://jlfwong.github.io/speedscope/, then drop a profile onto the page.
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Currently accepts the same folded stack format as the original FlameGraph scripts do: https://github.com/brendangregg/FlameGraph#2-fold-stacks.
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For example, try dropping this file onto the browser window: https://raw.githubusercontent.com/jlfwong/speedscope/master/sample/perf-vertx-stacks-01-collapsed-all.txt
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To pan, you can either scroll or click and drag.
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To zoom, hold cmd & scroll, or pinch-to-zoom.
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