我的问题是类似Cygwin在XP上非常缓慢地执行命令。会是什么呢?
- Why does Cygwin execute shell commands very slowly?
- Cygwin's bash became extremely slow after errors
我想我的问题是由一个不同的问题,虽然造成的。
这是极其缓慢的命令在Cygwin的一个例子:
time for i in {1..10} ; do bash -c "echo Hello" ; done
Hello
...
real 0m21.588s
user 0m0.458s
sys 0m0.989s
东西是导致此...但会是什么?
的事情,我曾尝试:
- 禁用Windows防火墙和Windows安全要领。
- 我没有任何其他防病毒产品。
- 我试图杀死不同的用户进程,看看他们中的任何一个是否会干扰 - 没有运气。
- 我没有连接到任何网络。
- 如果我通过窗口
CMD
运行C:\cygwin\bin
中的命令,例如,他们是,还是慢。
然后我试图运行这个命令来获取正在发生的事情的一个更好的主意:
strace -o bash.strace bash -c "echo hello"
从我可以看到有一行是正在采取的90%的时间:
(如果现在还不清楚它是先从1028210行 - 我包括上下文其他行)
5 5 [main] bash 1088 open_shared: name shared.5, n 5, shared 0x60FB0000 (wanted 0x60FB0000), h 0x74C
208 213 [main] bash 1088 heap_init: heap base 0x530000, heap top 0x530000
118 331 [main] bash 1088 open_shared: name S-1-5-21-2025429265-1957994488-1801674531-1003.1, n 1, shared 0x60FC0000 (wanted 0x60FC0000), h 0x748
85 416 [main] bash 1088 user_info::create: opening user shared for 'S-1-5-21-2025429265-1957994488-1801674531-1003' at 0x60FC0000
83 499 [main] bash 1088 user_info::create: user shared version 6112AFB3
344 843 [main] bash 1088 dll_crt0_0: finished dll_crt0_0 initialization
283 1126 [main] bash 1088 _cygtls::remove: wait 0xFFFFFFFF
87 1213 [main] bash 1088 _cygtls::remove: removed 0x23CE64 element 0
104 1317 [main] bash 1088 _cygtls::remove: wait 0xFFFFFFFF
70 1387 [main] bash 1088 _cygtls::remove: removed 0x23CE64 element 0
102 1489 [main] bash 1088 _cygtls::remove: wait 0xFFFFFFFF
70 1559 [main] bash 1088 _cygtls::remove: removed 0x23CE64 element 0
110 1669 [main] bash 1088 _cygtls::remove: wait 0xFFFFFFFF
70 1739 [main] bash 1088 _cygtls::remove: removed 0x23CE64 element 0
781 2520 [main] bash 1088 _cygtls::remove: wait 0xFFFFFFFF
76 2596 [main] bash 1088 _cygtls::remove: removed 0x23CE64 element 0
278 2874 [sig] bash 1088 wait_sig: entering ReadFile loop, my_readsig 0x72C, my_sendsig 0x728
1028210 1031084 [main] bash 1088 mount_info::conv_to_posix_path: conv_to_posix_path (C:\cygwin\home\Adam, no-keep-rel, no-add-slash)
107 1031191 [main] bash 1088 normalize_win32_path: C:\cygwin\home\Adam = normalize_win32_path (C:\cygwin\home\Adam)
59 1031250 [main] bash 1088 mount_info::conv_to_posix_path: /home/Adam = conv_to_posix_path (C:\cygwin\home\Adam)
11535 1042785 [main] bash 1088 _cygwin_istext_for_stdio: fd 0: not open
69 1042854 [main] bash 1088 _cygwin_istext_for_stdio: fd 1: not open
62 1042916 [main] bash 1088 _cygwin_istext_for_stdio: fd 2: not open
360 1043276 [main] bash (1088) open_shared: name cygpid.1088, n 1088, shared 0x60FE0000 (wanted 0x60FE0000), h 0x678
65 1043341 [main] bash 1088 **********************************************
46 1043387 [main] bash 1088 Program name: C:\cygwin\bin\bash.exe (pid 1088, ppid 1)
46 1043433 [main] bash 1088 App version: 1007.7, api: 0.230
45 1043478 [main] bash 1088 DLL version: 1007.9, api: 0.237
46 1043524 [main] bash 1088 DLL build: 2011-03-29 10:10
51 1043575 [main] bash 1088 OS version: Windows NT-5.1
45 1043620 [main] bash 1088 Heap size: 402653184
45 1043665 [main] bash 1088 **********************************************
45 1043710 [main] bash 1088 pinfo::thisproc: myself->dwProcessId 1088
50 1043760 [main] bash 1088 time: 1321506515 = time (0)
862 1044622 [main] bash 1088 parse_options: glob (called func)
78 1044700 [main] bash 1088 parse_options: returning
45 1044745 [main] bash 1088 environ_init: GetEnvironmentStrings returned 0x10000
...
我真的不明白的概率lem的侵犯行可能暗指:
mount_info::conv_to_posix_path: conv_to_posix_path (C:\cygwin\home\Adam, no-keep-rel, no-add-slash)
我该如何调试这个问题呢?有没有人有任何想法?
对于简单的命令我可以使用基准我自己的升级! (0.67s - > 0.37s从DLL版本1.7.1 - > 1.7.18) –
其中是版本:'v2.769'?我刚刚在官方网站上发现了'v1.7.27' – Freewind