DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=OBJPpcv0rzjjip43
	6vABRDkuk0bsDmjlwfsdH3mwI2FLiGB3aedNyi1b/K2K3sZwaxxAq+IEUE0BmkmK
	Fd2cYzp+ZJcAlBRFwPztfZsxzIQN1O1IQnCFzGQdkZbGaOYV6r6th5PGeRTMGFpK
	3fableTA2OQhdrXh2oscMhTeWog=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
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
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:38.0) Gecko/20100101 Thunderbird/38.2.0
MIME-Version: 1.0
In-Reply-To: <560431B5.5040203@null.net>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit

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.


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple