linux下多线程查看工具

发表于 |

#linux下多线程查看工具

  • pstree
1
2
3
4
[root@fedora]~# pstree  -p dawx
bash(17676)───python3.4(18015)─┬─{python3.4}(18016)
                               └─{python3.4}(18017)
bash(17934)

pstree 树状显示ps
-p 显示进程号
dawx 要查看那个用户下的线程情况

1
2
3
4
5
6
7
8
9
10
11
12
13
14
[root@fedora]~# ll /proc/18015
总用量 0
dr-xr-xr-x. 2 dawx dawx 0 10月 16 21:19 attr
-rw-r--r--. 1 dawx dawx 0 10月 16 21:19 autogroup
-r--------. 1 dawx dawx 0 10月 16 21:19 auxv
-r--r--r--. 1 dawx dawx 0 10月 16 21:19 cgroup
--w-------. 1 dawx dawx 0 10月 16 21:19 clear_refs
-r--r--r--. 1 dawx dawx 0 10月 16 21:19 cmdline
-rw-r--r--. 1 dawx dawx 0 10月 16 21:19 comm
-rw-r--r--. 1 dawx dawx 0 10月 16 21:19 coredump_filter
-r--r--r--. 1 dawx dawx 0 10月 16 21:19 cpuset
lrwxrwxrwx. 1 dawx dawx 0 10月 16 21:19 cwd -> /tmp
-r--------. 1 dawx dawx 0 10月 16 21:19 environ
lrwxrwxrwx. 1 dawx dawx 0 10月 16 21:19 exe -> /usr/bin/python3.4
  • pstack
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
[root@fedora]~# pstack 18015   
Thread 3 (Thread 0x7fe7863fc700 (LWP 18016)):
#0  0x00007fe78d050ea3 in select () from /lib64/libc.so.6
#1  0x00007fe78640075c in time_sleep () from /usr/lib64/python3.4/lib-dynload/time.cpython-34m.so
#2  0x00007fe78dd59651 in PyEval_EvalFrameEx () from /lib64/libpython3.4m.so.1.0
#3  0x00007fe78dd5a636 in PyEval_EvalCodeEx () from /lib64/libpython3.4m.so.1.0
#4  0x00007fe78dcca728 in function_call () from /lib64/libpython3.4m.so.1.0
#5  0x00007fe78dca1db1 in PyObject_Call () from /lib64/libpython3.4m.so.1.0
#6  0x00007fe78dd51037 in PyEval_CallObjectWithKeywords () from /lib64/libpython3.4m.so.1.0
#7  0x00007fe78dd92852 in t_bootstrap () from /lib64/libpython3.4m.so.1.0
#8  0x00007fe78da2960a in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe78d05abbd in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fe785bfb700 (LWP 18017)):
#0  0x00007fe78d050ea3 in select () from /lib64/libc.so.6
#1  0x00007fe78640075c in time_sleep () from /usr/lib64/python3.4/lib-dynload/time.cpython-34m.so
#2  0x00007fe78dd59651 in PyEval_EvalFrameEx () from /lib64/libpython3.4m.so.1.0
#3  0x00007fe78dd5a636 in PyEval_EvalCodeEx () from /lib64/libpython3.4m.so.1.0
#4  0x00007fe78dcca728 in function_call () from /lib64/libpython3.4m.so.1.0
#5  0x00007fe78dca1db1 in PyObject_Call () from /lib64/libpython3.4m.so.1.0
#6  0x00007fe78dd51037 in PyEval_CallObjectWithKeywords () from /lib64/libpython3.4m.so.1.0
#7  0x00007fe78dd92852 in t_bootstrap () from /lib64/libpython3.4m.so.1.0
#8  0x00007fe78da2960a in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe78d05abbd in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fe78e2d1700 (LWP 18015)):
#0  0x00007fe78d050ea3 in select () from /lib64/libc.so.6
#1  0x00007fe78640075c in time_sleep () from /usr/lib64/python3.4/lib-dynload/time.cpython-34m.so
#2  0x00007fe78dd59651 in PyEval_EvalFrameEx () from /lib64/libpython3.4m.so.1.0
#3  0x00007fe78dd58e4b in PyEval_EvalFrameEx () from /lib64/libpython3.4m.so.1.0
#4  0x00007fe78dd5a636 in PyEval_EvalCodeEx () from /lib64/libpython3.4m.so.1.0
#5  0x00007fe78dd5a6db in PyEval_EvalCode () from /lib64/libpython3.4m.so.1.0
#6  0x00007fe78dd76954 in run_mod () from /lib64/libpython3.4m.so.1.0
#7  0x00007fe78dd78b95 in PyRun_FileExFlags () from /lib64/libpython3.4m.so.1.0
#8  0x00007fe78dd79c13 in PyRun_SimpleFileExFlags () from /lib64/libpython3.4m.so.1.0
#9  0x00007fe78dd90964 in Py_Main () from /lib64/libpython3.4m.so.1.0
#10 0x000056097477abe7 in main ()
  • proc
    cat /proc/18015/status
    Threads: 3

如上可知，有三个线程工作