schireson/flask-flamegraph

Automatically generate a flamegraph for the last executed request

flask-flamegraph - a library for profiling flask request.

flask-flamegraph helps you quickly understand:

• Where all the time is being spent in your endpoints
• How deep your callstacks are
• Where the lowest hanging fruit is for optimization

Quickstart Example

import flask
import flask_flamegraph

flask_flamegraph = flask_flamegraph.FlaskFlamegraph()

def create_app():
    app = flas.Flask(__name__)
    flask_flamegraph.init_app(app)
    return app

if __name__ == '__main__':
    app = create_app()
    app.run()

After this, hit any of your routes, and navigate to http://localhost:5000/__flame__

Testing

Run the tests:

pytest

Attributions

This plugin is largely based upon flask-debugtoolbar-flamegraph, but with inspiration from sqltap for adding a separate __flame__ endpoint to more naturally support json-only apis instead of template rendered pages.

Also, impossible to do without the flamegraph project iteself.