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Date:	Thu, 1 Jul 2010 14:50:51 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Slow cygwin performance
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On Thu, Jul 01, 2010 at 11:50:01AM -0400, "Marc-Andr? H?bert" wrote:
>Hello,
>
>I installed cygwin a few weeks ago and it has always been very slow.
>At first I only needed to perform a few tests (I usually work using a
>linux VM) so I didn't look too much into it, but now I might need to
>use it more and it is simply not usable.
>
>About every command I do takes about 15 seconds to execute. The delay
>seems to come after the command has executed. So if I do "ls" I see
>the contents of the directory almost immediately but then I get a
>delay before getting back my prompt.
>
>I did some reading on the mailing list archive for tips, I have
>checked that my path does not contain network drive.
>
>Here are 2 files.
>-cygcheck.out done as instructed on the problems page using "cygcheck
>-s -v -r > cygcheck.out"
>-strace.ls.txt: This was done using "strace ls -l > strace.ls.txt"
>
>If you look at the last 2 lines of strace.ls.txt:
>   30  120175 [main] ls 5532 __to_clock_t: total 00000000 0000002E
>14999334 15119509 [main] ls 5532 pinfo::exit: Calling ExitProcess n
>0x0, exitcode 0x0
>You can see that the last item is taking an insane amount of time. I
>want to point out that if I do "time ls" several times, it will not
>always take 15 seconds to execute but most (didn't do stats, but at
>least 1/2 probably 3/4) of the time it will.

This probably doesn't mean what you think it means.  A large number
there does mean that a previous function (__to_clock_t) too a long time
to execute.  It means that a long time has elapsed since the last time
something was written to strace output.

cgf

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