python的faulthandler

编码

import faulthandler
import signal
 
app = http_provide.app
 
if __name__ == '__main__':
    faulthandler.enable()
    # 打印线程输出文件
    file = open("./tt.txt", "w+")
    # 通过signal建立关系
    faulthandler.register(signal.SIGUSR1,file=file)
    app.run(threaded=False,host="0.0.0.0", debug=False, port=8080)

启动

python -X faulthandler main.py

触发

kill -s USR1 pid

详述

https://docs.python.org/zh-cn/3/library/faulthandler.html