trace_money.py

import aiohttp


def request_tracer(results_collector):
    async def on_request_start(session, context, params):
        context.on_request_start = session.loop.time()
        context.is_redirect = False

    async def on_request_end(session, context, params):
        total = session.loop.time() - context.on_request_start
        context.on_request_end = total
        results_collector['total'] = round(total * 1000, 2)

    trace_config = aiohttp.TraceConfig()

    trace_config.on_request_start.append(on_request_start)
    trace_config.on_request_end.append(on_request_end)

    return trace_config


import aiohttp
import asyncio


async def fetch(url):
    trace = {}
    async with aiohttp.ClientSession(trace_configs=[request_tracer(trace)]) as client:
        async with client.get(url) as response:
            print(trace)


urls = [
    'https://github.com'
]

loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.gather(*[fetch(url) for url in urls]))