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Date: Thu, 3 Jun 2010 17:32:46 -0700
Subject: Re: Cygwin Performance and stat()
From: "Christopher Wingert" <mailbox AT wingert DOT org>
To: cygwin AT cygwin DOT com
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> On Thu, Jun 03, 2010 at 10:35:55AM -0700, Christopher Wingert wrote:
>>Using strace I was able to look at some of the functions that are
>>enumerated by debugging calls.
>>
>>The trace below is done by ls.exe for each file (approximately 95k files
>> @
>>88 mSecs/file), approximately 40 mSecs are spent in lstat64() and another
>>47 mSecs are spent in getacl().
>
> You're undoubtedly misinterpreting the timestamps in strace.  They don't
> indicate the amount of time spent in anything.  They are just timestamps.

Undoubtedly, no.

I am doing basic subtraction based on the synchronous call made from the
ls.exe executable to the cygwin1.dll and the timestamp provided by strace.


> You may be missing how this project is run.  The current maintainers of
> everything read this mailing list.  You don't need to contact anyone
> personally.  Actually, this is typical of many open source projects.

Actually it is atypical for core developers to monitor a high volume
generic question list such as this one, at least from my experience on
other open source projects.  The core developers would leave it to some
nay-saying lackey.




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