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Date: Tue, 14 Feb 2012 14:52:46 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: File operations really slow in emacs
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On Feb 14 08:37, Ryan Johnson wrote:
> Bump?

Stagger!

> On 13/02/2012 8:31 AM, Ryan Johnson wrote:
> >On 11/02/2012 5:11 AM, Corinna Vinschen wrote:
> >>On Feb 10 20:18, Ryan Johnson wrote:
> >>>Hi all,
> >>>
> >>>For some reason file operations have become very slow inside emacs
> >>>starting yesterday. It's especially painful when saving a file
> >>>that's managed by mercurial (more than 20 seconds!), but I've seen
> >>>it on the command line as well (x-server takes a similar amount of
> >>>time to start, for example). I'm running the latest everything and
> >>>I've run rebaseall. I verified that Windows Defender did not
> >>>silently re-enable itself since I last disabled it (you can't
> >>>actually uninstall it) and no other BLODA are present on my machine.
> >>>The problem persists across reboots.
> >>>
> >>>I have vague memories that this has turned up in the past (maybe
> >>>12-15 months ago?) but Google isn't turning up anything. Attaching
> >>>strace to emacs during the save makes it take a full 35 seconds and
> >>>reports the following:
> >>>
> >>>$ cat emacs.strace | awk '{if ($1>  1000000) { print }}' | grep -v
> >>>timer_thread
> >>>26910790 26912157 [main] emacs-X11 5188 child_copy: dll bss - hp
> >>>0x264 low 0x611FC000, high 0x61230770, res 1
> >>>1128419 2125655 [main] python2.6 5188 read: read(5, 0x8009DB60,
> >>>65536) blocking
> >>>25850184 32830582 [main] python2.6 5188 stat_worker: 0 =
> >>>(\??\C:\cygwin\cygdrive,0x28BB68)
> >>   ^^^^^^^^^^^^^^^^^^^^^^^
> >>   This looks suspicious.  I assume you're suffering from SMB network
> >>   scanning.
> >is there a workaround? Neither "always run elevated" nor "always
> >keep all network drives mounted" seems like a reasonable
> >requirement

What are you expecting?  Was my reply in
http://cygwin.com/ml/cygwin/2012-02/msg00375.html not sufficient?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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