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X-HELO:	knockando.watchfront.net.uk
Subject:	Re: Bash / cygwin process spawning (?) performance very slow
To:	cygwin AT cygwin DOT com
References:	<560431B5 DOT 5040203 AT null DOT net>
From:	Cliff Hones <cliff AT hones DOT org DOT uk>
Message-ID:	<5604342B.9010201@hones.org.uk>
Date:	Thu, 24 Sep 2015 18:34:35 +0100
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On 24/09/2015 18:24, litter AT null DOT net wrote:
>> On 24/09/2015 11:57, litter AT null DOT net wrote:
>>> Obviously something is. The FAQ entry does not mention performance, but real failures.
>>> How to further diagnose this?
> 
> I took the plunge and spent almost a full day trying to find the cause.
> 
> 1. Booting into Safe Mode gave a huge performance boost
> 2. By eliminating all services and programs in Normal Mode, one-by-one, I found the offender:
> 
> turns out that Comodo Firewall (Free version) loads a DLL in each process that is the cause of the delay.
> Although I only use the Firewall, and do not use any "AntiVirus" features, still it causes delay during startup of a process.
> 
> However, after disabling it -- which did speed up process spawning in Bash --  I encountered the other problem I already had much more often.
> For now I consider the issue of slow spawning to be solved
> (although it would have been nice if there was an easier way to diagnose it, maybe with tracing?)

Comodo firewall pro is listed in https://cygwin.com/faq/faq.html#faq.using.bloda.
Looks as if the free version should be listed too.


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