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Date:	Sat, 18 Apr 2015 17:45:11 +0300
From:	Andrey Repin <anrdaemon AT yandex DOT ru>
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Message-ID:	<311297834.20150418174511@yandex.ru>
To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>, cygwin AT cygwin DOT com
Subject:	Re: Running tasklist /m in cygwin hangs
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Greetings, Marco Atzeri!

>>>> I can confirm it still hangs for me with 1.7.35. I am using the 32 bit (i686) Cygwin which is the only difference from Andrey's.
>>>>
>>
>>> on  $ uname -vrsm
>>> CYGWIN_NT-6.1-WOW 1.7.35(0.287/5/3) 2015-03-04 12:07 i686
>>
>>> It is only a bit slow (both mintty and console)
>>
>>> $ time tasklist /m normaliz.DLL
>>> real    1m25.565s
>>
>> Oh... wow...
>>
>> real    0m0.088s
>>
>> [x].[x]
>>
>>> user    0m0.015s
>>> sys     0m0.046s
>>
>>> It seems some type of timeout in the interaction of this
>>> windows utility and cygwin
>>
>> Was it native console or pty ?
>>

> on 32bit cygwin on 64bit W7
> cmd+bash and mintty+bash have the same long time.

> As the effect is around 10 sec per line and "tasklist.exe" is looking
> which process is using a certain dll, I presume that there is a negative
> interactions (timeout, double sleep ?).

> cmd alone or 64 bit cygwin has no delay effect.

> However on 64bit you can compare

True.

> /cygdrive/c/windows/SysWOW64/tasklist.exe /m normaliz.dll
> /cygdrive/c/windows/System32/tasklist.exe /m normaliz.dll

> timing ;-)

It isn't as slow as yours, but definitely slow.

$ time /c/windows/System32/tasklist.exe /m normaliz.dll | iconv -f CP866
  ...skip...
real    0m0.093s
user    0m0.015s
sys     0m0.030s

$ time /c/windows/SysWOW64/tasklist.exe /m normaliz.dll | iconv -f CP866
  ...skip...
real    0m15.560s
user    0m0.000s
sys     0m0.045s


-- 
With best regards,
Andrey Repin
Saturday, April 18, 2015 17:42:41

Sorry for my terrible english...


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