It doesn't work with app under uwsgi

[alexander-akhmetov]

Hi!

It is great tool, but I have problems with app under uwsgi. Pyflame shows only (idle) for it. Could you help me please?

Python application (app.py):

# -*- coding: utf-8 -*-
from flask import Flask


app = Flask(__name__)


@app.route('/')
def hello_world():
    return 'Hello, World!'

Starting uwsgi:

[~/pyflame_test]$ uwsgi --workers 1 --module app:app --http-socket=127.0.0.1:8011
*** Starting uWSGI 2.0.12 (64bit) on [Wed Oct  5 04:53:43 2016] ***
...
spawned uWSGI worker 1 (and the only) (pid: 29707, cores: 1)

Starting pyflame:

sudo ./pyflame 29707 -s 5

Making http request:

[~/]$ curl http://127.0.0.1:8011/
Hello, World!

pyflame has printed: (idle) 4363

If I run strace to this worker I'll see:

strace -p 29707
...
read(5, "GET / HTTP/1.1\r\nUser-Agent: curl"..., 4096) = 78
writev(5, [{"HTTP/1.1 200 OK\r\nContent-Type: t"..., 79}, {"Hello, World!", 13}], 2) = 92
...

[~/pyflame_test]$ uwsgi --version
2.0.12

[eklitzke]

Thanks for the bug report. I believe that I found the issue and I've pushed the fix to the uwsgi branch. Can you try building pyflame from that branch and let me know if it fixes the issue for you?

[alexander-akhmetov]

Yes, it works well now. Thank you!