Re: ls slowdown in latest cygwin on my system

["Carlo Florendo" <carlo at astra dot ph>]

I'm sorry, I attached the wrong strace outputs in the previous mail.  Here're the correct attachments.
I also included the output of cygcheck using the different versions of cygwin.


----- Original Message -----
From: "Carlo Florendo" <carlo@astra.ph>
To: <cygwin@cygwin.com>
Sent: Tuesday, July 01, 2003 5:22 PM
Subject: ls slowdown in latest cygwin on my system


> Hello Cygwineers,
>
> Last November, when I upgraded to cygwin 1.3.13, I noticed ls.exe delaying its output for several seconds before starting to
print.
> I didn't have a copy of my cygwin version before 1.13.13 so I couldn't reproduce a test case (with cygcheck and strace output)
> demonstrating that ls -l worked fine before 1.3.13.    However, I'll try very hard to look into my old CDs to check if I still
have
> my very first cygwin (where ls -l worked normally).
>
> 1) The behaviour of ls -l in cygwin 1.3.13 *in my system* does not matter when CYGWIN=ntsec or CYGWIN=nontsec.
> 2) It doesn't matter too whether I repeat the operation several times (in the hope that the results will be cached).
> 3) Invoking ls -l under under /cygdrive/c/winnt/system32/ (where there are around 2000++ files) takes around 10 to 35 seconds
before
> the files are printed as output.   There is a delay before the string "total <some_number>" is printed and soon after it is
printed.
> The delay after "total <some_number>" gets printed until ls starts its listing takes much longer than the delay before it
> "total <some_number> gets printed.
>
>
> I tried to revert to the old version of cygwin which I had (1.3.12-4) in the hope that ls would work normally.  Still it did not.
I
> attached the output of strace using cygwin dll version 1.3.12-4
>
> Today, I upgraded the cygwin dll through setup and got the latest version.  Still, there is no improvement in the behaviour of ls
> when invoked as ls -l.  (I've attached the output of "cygcheck -svr" and "strace ls -l").
>
> I attached the output of strace as well (with the latest version of cygwin installed).
>
> I also attached the output of cygcheck run from the latest version of the cygwin1.dll
>
> (All the above  I've installed through setup.)
>
> The output of strace shows that ls tries to open the file /usr/local/etc/zoneinfo/posixrules but it does not exist.  Neither does
> /usr/local/etc/zoneinfo/ exist in the system.  When strace reaches the point where ls starts opening the non-existent file, that's
> where the delay begins.  There is no output from strace at the time of the delay.  So cgf was probably right in his response last
> November (see http://cygwin.com/ml/cygwin/2002-11/msg01063.html) when he mentioned that there're some things that are not being
> strace'd.
>
> I haven't seen any similar posts regarding this issue (i.e. ls -l slowing down) in the mailing list for the past several months so
I
> guess that this problem is unique to my setup (or system).
>
> If there's anything you'd want to know about my setup, I'd be very glad to point it out.
> I'm not sure if these info are relevant but I'll include it here anyway.
>
> 1) the system is configured for japanese support (i.e. i could type and read japanese text)
> 2) cygwin is installed in an ntfs file system
> 3) /usr/local/etc/zoneinfo does not exists but ls (as shown by strace) keeps looking for the file posixrules under it.
> 4) there are no network drives mounted on the system
> 5) there are no cygwin background processeses that run in the system.
> 6) upon observing windows task manager, every time ls -l is invoked, the program lsass.exe begins to take as much as 60% of
> cpu time.
>
>
> Thanks a lot!
>
> Best Regards,
>
> Carlo
> ------
> Carlo Florendo
> Astra Philippines, Inc.
> URL: www.astra.ph www.astra.co.jp
>
>
>
>
>
>
>
>


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Attachment: strace-1.3.22-1.txt.bz2
Description: Binary data

Attachment: cygcheck-1.3.22-1.txt.bz2
Description: Binary data

Attachment: strace-1.3.12-4.txt.bz2
Description: Binary data

Attachment: cygcheck-1.3.12-4.txt.bz2
Description: Binary data

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