09 用户态跟踪：如何使用eBPF排查应用程序？
sudo bpftrace -e 'usdt:/usr/bin/python3:function__entry { printf("%s:%d %s\n", str(arg0), arg2, str(arg1))}'
-*- coding: UTF-8 -*-
import socket
from socket import SOL_SOCKET, SO_REUSEADDR
import subprocess
import struct
import json
PORT = 18284
#简单TCP通信
def main():
tcpSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print(tcpSocket)
tcpSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
tcpSocket.bind(('127.0.0.1', PORT))
tcpSocket.listen(5)
print('start....')
while True:
conn, client_addr = tcpSocket.accept()
print('new client connected ', conn, client_addr)
while True:
try:
print('recv data ...')
data = conn.recv(1024)
if len(data) == 0:
break
print('recv data is ', data)
conn.send(data.upper())
except ConnectionResetError:
break
conn.close()
phone.close()
main()
/usr/lib/python3.9/socket.py:220 init
/usr/lib/python3.9/socket.py:243 repr
/usr/lib/python3.9/socket.py:513 family
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/socket.py:519 type
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/enum.py:740 str
/usr/lib/python3.9/enum.py:740 str
/usr/lib/python3.9/socket.py:286 accept
/usr/lib/python3.9/socket.py:513 family
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/socket.py:519 type
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/socket.py:220 init
/usr/lib/python3.9/socket.py:243 repr
/usr/lib/python3.9/socket.py:513 family
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/socket.py:519 type
/usr/lib/python3.9/socket.py:99 _intenum_converter
/usr/lib/python3.9/enum.py:358 call
/usr/lib/python3.9/enum.py:670 new
/usr/lib/python3.9/enum.py:740 str
/usr/lib/python3.9/enum.py:740 str