pip install apache-skywalking
# This library is used in the current demo.
pip install tornado

import time
import tornado.ioloop
import tornado.web


class MainHandler(tornado.web.RequestHandler):
    def get(self):
        print("call")
        self.write("Hello, world")


class SleepHandler(tornado.web.RequestHandler):
    def get(self):
        print("call sleep")
        time.sleep(0.1)
        self.write("sleep 0.1s")


def make_app():
    return tornado.web.Application([
        (r"/test", MainHandler),
        (r"/sleep", SleepHandler),
    ])


if __name__ == "__main__":
    from skywalking import agent, config
    config.init(agent_collector_backend_services=''{access point}', # Replace with the access point obtained in Step 1.
                agent_name='python-skywalking', 
                agent_authentication='{token}', # Replace with the token obtained in Step 1.
                agent_logging_level='INFO')
    agent.start()
    app = make_app()
    port = 9008
    app.listen(port)
    print("server in %s" % port)
    tornado.ioloop.IOLoop.current().start()


pip install tornado

import time
import os
import tornado.ioloop
import tornado.web
from tornado.httpserver import HTTPServer


class MainHandler(tornado.web.RequestHandler):
    def get(self):
        print("call")
        self.write("Hello, world")


class Sleep01Handler(tornado.web.RequestHandler):
    def get(self):
        print("call sleep")
        time.sleep(0.1)
        self.write("sleep 0.1s")


def make_app():
    return tornado.web.Application([
        (r"/test", MainHandler),
        (r"/sleep", Sleep01Handler),
    ])


if __name__ == "__main__":
    from skywalking import agent, config
    config.init(agent_collector_backend_services='{access point}', # Replace with the access point obtained in Step 1.
                agent_name='python-skywalking-multi', 
                agent_authentication='{token}', # Replace with the token obtained in Step 1.
                agent_logging_level='INFO')
    app = make_app()
    port = 9009
    num_processes = 4
    sockets = tornado.netutil.bind_sockets(port)
    tornado.process.fork_processes(num_processes)
    # For multi-process usage, start the agent after the fork process starts.
    agent.start()
    pid = os.getpid()
    print("Current process ID:%d" % pid)
    server = HTTPServer(app)
    server.add_sockets(sockets)
    print("server in %s" % port)
    tornado.ioloop.IOLoop.current().start()