quantus / flask-debugtoolbar-flamegraph

Flamegraphs for Flask Debug Toolbar

Flask Debugtoolbar Flame Graph

Based on the awesome djdt-flamegraph(https://github.com/23andMe/djdt-flamegraph) project.

Get a flame graph of the current request.

Screenshot

Features

• Uses https://github.com/brendangregg/FlameGraph to generate a flamegraph right in the debug panel.

Install

• Add flask_debugtoolbar_flamegraph to your requirements.txt.
• Add flask_debugtoolbar_flamegraph.FlamegraphPanel to DEBUG_TB_PANELS.
• Run your server with python manage.py runserver --nothreading --noreload

Notes

• ValueError at /: signal only works in main thread: Flame graphs can only be generated in a single threaded server.
• Flame graphs are disabled by default. You'll have to enable it by clicking the checkbox next to it in the Debug Toolbar.
• Probably won't work on Windows.