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X-HELO: calimero.vinschen.de
Date: Fri, 14 Aug 2015 15:49:50 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: commands spends time in cygheap_user
Message-ID: <20150814134950.GH28349@calimero.vinschen.de>
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On Aug 10 18:01, Corinna Vinschen wrote:
> On Aug 10 05:00, mku wrote:
> > Oh, sorry. I did a fresh 2.2 install to avoid side effects from my prev=
ious
> > updated one and forgot to modify the nsswitch.conf. After correcting it=
, the
> > result now is the same from the time aspect but loading of the net dlls=
 have
> > now disappeared as expected.
> > +++ 8< -----
> >   280   44318 [main] ls 181944 client_request::make_request: cygserver
> > un-availa
> > --- Process 181944 loaded C:\Windows\SysWOW64\advapi32.dll at 75400000
> > --- Process 181944 loaded C:\Windows\SysWOW64\msvcrt.dll at 76CB0000
> > --- Process 181944 loaded C:\Windows\SysWOW64\sechost.dll at 76A00000
> > --- Process 181944 loaded C:\Windows\SysWOW64\rpcrt4.dll at 75300000
> > --- Process 181944 loaded C:\Windows\SysWOW64\sspicli.dll at 750C0000
> > --- Process 181944 loaded C:\Windows\SysWOW64\cryptbase.dll at 750B0000
> > --- Process 181944 thread 186236 created
> > 4525052 4569370 [main] ls 181944 cygheap_user::ontherange: what 2, pw
> > 0x612FFCF0
> >   302 4569672 [main] ls 181944 cygheap_user::ontherange: HOME is alread=
y in
> > the
> > --- 8< -----
> > I don't know how the delta time is calculated. As the time lag is always
> > printed after loading the dlls, it may be that the log message is print=
ed
> > after the logged step has been completed. If that is true, the time lag=
 may
> > occur while loading one of the dlls or creating the thread.
> >=20
> > As I mentioned before the same command repeated one second again shows
> > normal behaviour (0.406s).
> > +++ 8< -----
> >   106   20307 [main] ls 201132 client_request::make_request: cygserver
> > un-availa
> > --- Process 201132 loaded C:\Windows\SysWOW64\advapi32.dll at 75400000
> > --- Process 201132 loaded C:\Windows\SysWOW64\msvcrt.dll at 76CB0000
> > --- Process 201132 loaded C:\Windows\SysWOW64\sechost.dll at 76A00000
> > --- Process 201132 loaded C:\Windows\SysWOW64\rpcrt4.dll at 75300000
> > --- Process 201132 loaded C:\Windows\SysWOW64\sspicli.dll at 750C0000
> > --- Process 201132 loaded C:\Windows\SysWOW64\cryptbase.dll at 750B0000
> > --- Process 201132 thread 201240 created
> >  9195   29502 [main] ls 201132 cygheap_user::ontherange: what 2, pw
> > 0x612FFCF0
> >    95   29597 [main] ls 201132 cygheap_user::ontherange: HOME is alread=
y in
> > the
> > --- 8< -----
> > If you wait a longer period (e.g. 5 minutes), the first (longer) behavi=
our
> > is shown.
> > As this time lag is not seen with Version 1.7.28 on the same machine, I
> > assume that it has come with Version 2.2.
>=20
> Well, it might have been introduced by *any* version later than 1.7.28.
> It's very unlikley that this has been introduced by 2.2.0.  From the
> above output it's not clear where it hangs.  I'll try to reproduce it
> later this week.

Except, I can't.  Under the same circumstances, with nsswitch.conf

  passwd: files
  group: files

and the network connection to my AD disabled, I don't encounter any
noticable lag, not even after waiting a long time to get rid of
potentially cached info.

Any chance this behaviour is triggered by some virus scanner or
something like that?


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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