!profiling.sampling --- Statistical profiler — Heatmap format
Heatmap format (--heatmap) generates an interactive HTML visualization showing sample counts at the source line level python -m profiling.sampling run --heatmap script.py python -m profiling.sampling run --heatmap -o my_heatmap script.py alt: Tachyon heatmap visualization :align: center :width: 100%
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Heatmap format (--heatmap) generates an interactive HTML visualization showing sample counts at the source line level
python -m profiling.sampling run --heatmap script.py python -m profiling.sampling run --heatmap -o my_heatmap script.py
alt: Tachyon heatmap visualization :align: center :width: 100%
The heatmap overlays sample counts directly on your source code. Lines are color-coded from cool (few samples) to hot (many samples). Navigation buttons (▲▼) let you jump between callers and callees.
Unlike other formats that produce a single file, heatmap output creates a directory containing HTML files for each profiled source file. If no output path is specified, the directory is named heatmap_PID.
The heatmap visualization displays your source code with a color gradient indicating how many samples were collected at each line. Hot lines (many samples) appear in warm colors, while cold
Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.
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Python Documentation — Doc/library/profiling.sampling.rst :: Heatmap format ↗Revision 948fd7e5c084 · PSF-2.0