如何打印 Python 线程堆栈? - V2EX
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zhoudaiyu

如何打印 Python 线程堆栈?

  •  
  •   zhoudaiyu
    PRO
    Apr 27, 2021 via iPhone 2824 views
    This topic created in 1828 days ago, the information mentioned may be changed or developed.

    现在线程占用 CPU 比较多,但是代码用的开源的,还没有理清逻辑,想直接在线 debug 一下线程。用什么工具好? GDB 、pyflame,还是其他什么工具?

    11 replies    2021-04-28 23:17:26 +08:00
    Kasumi20
        1
    Kasumi20  
       Apr 27, 2021
    歪个楼。堆就是堆,栈就是栈,为什么栈要说成堆栈?
    zhoudaiyu
        2
    zhoudaiyu  
    OP
    PRO
       Apr 27, 2021 via iPhone
    @Kasumi20 平时说习惯了,应该是栈
    ch2
        3
    ch2  
       Apr 27, 2021
    @Kasumi20 #1 堆栈加在一起就是内存
    786375312123
        4
    786375312123  
       Apr 27, 2021
    pycharm 上 debugger 可以直接看 stack trace
    zhoudaiyu
        5
    zhoudaiyu  
    OP
    PRO
       Apr 27, 2021 via iPhone
    @786375312123 额 是跑在服务器上的 websocket 服务 好像不能这么玩
    786375312123
        6
    786375312123  
       Apr 27, 2021
    @zhoudaiyu GDB 不也是 debugger 吗?而且我没听说过 gdb 支持 py 的
    ruanimal
        8
    ruanimal  
       Apr 28, 2021
    @786375312123 支持的,其实就是 debug python 解释器
    xingheng
        9
    xingheng  
       Apr 28, 2021
    RTFM before your asking!
    lcvs
        10
    lcvs  
       Apr 28, 2021   2
    可以试试 py-spy,可以对正在运行中的程序进行采样分析
    https://github.com/benfred/py-spy
    zhoudaiyu
        11
    zhoudaiyu  
    OP
    PRO
       Apr 28, 2021 via iPhone
    @lcvs 这个太棒了,感谢感谢
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