profling gunicorn app

gunicorn.conf.py

# pip3 install pyinstrument

import os
from pyinstrument import Profiler
PROFILER = bool(int(os.environ.get("PROFILING", 1)))

# from pyinstrument.renderers import JSONRenderer

def pre_request(worker, req):
    if PROFILER:
        worker.profiler = Profiler()
        worker.profiler.start()

def post_request(worker, req, *args):
    if PROFILER:
        worker.profiler.stop()
        # print(JSONRenderer().render(session=worker.profiler.last_session))
        print(worker.profiler.output_text(unicode=True, color=True))