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Tools that display function timings in a sortable table with linked caller/callee flamegraphs.
Distinct from Function Execution Timing: Distinct from Function Execution Timing: focuses on the tabular presentation and navigation of timing data, not on the measurement itself.
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Speedscope is a web-based performance profiler that visualizes profiling data through interactive flamegraphs and timeline views. It ingests performance profiles from a wide range of sources, including Chrome, Firefox, Safari, Node.js, .NET Core, Instruments, Hermes, GHC, and Ruby, normalizing them into a common schema for unified analysis. The tool distinguishes itself with a canvas-based rendering engine that draws flamegraphs without DOM nodes for each frame, and a WebAssembly-based rendering pipeline for high-performance drawing. It offers left-heavy stack sorting to surface the most time
Inspects a sortable table of functions with self and total times, plus caller/callee flamegraphs.