Daniel Feldroy • 10/5/2025

Using pyinstrument to profile Air apps

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This technical article provides step-by-step instructions for integrating the pyinstrument profiler as middleware in Air (FastAPI) apps. It explains how to use an environment variable to control profiling, includes a full code example for simulating bottlenecks with asyncio.sleep, and shows how to run the profiler to generate an HTML performance report.

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#Python #performance #profiling
Using pyinstrument to profile Air apps

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