Message-ID: <4A401CF4.6050202@cygwin.com>
Date: Mon, 22 Jun 2009 20:08:20 -0400
From: "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: Slow/sluggish response ("system" task at 50%)
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Gene Smith wrote:
> Gene Smith wrote:
>>
>> I don't think it is a problem with cygwin itself. I was mainly curious 
>> if anyone sees the "system" task running 50% when doing a gcc build 
>> using Make (or similar intensive long term activity). I have weak XP 
>> based laptop with no corporate security that runs cygwin fine compared 
>> to my dual-core corporate desktop machine. I will check it on the 
>> laptop but it is not with me now. Thanks for the reply.
>>
> 
> Attached is my cygcheck.out (some private info is redacted).
> 
> I just did a compare by running the same "make" build using cygwin 
> (rxvt), msys (also rxvt) and cmd. With msys and cmd I see "system" 
> process running occasionally and for a short time at a maximum of 20% 
> cpu. Usually I see the "make" process or just "system idle" and the 
> build completes in about 22 seconds.
> 
> With cygwin/rxvt, as described previously, I see "system" process at 
> 40-50% (usually 50%) and nothing else using cpu comes to the top. The 
> same build takes about 14 minutes on cygwin.
> 
> Running in the standard cygwin shell (not rxvt) the time is the same, 14 
> minutes compared to 22 seconds under msys/rxvt and cmd shells.
> 
> I removed the 2nd cygwin1.dll in the path that it warns about but it 
> made no difference.
> 
> Is there anything evident in the cygcheck that accounts for the extreme 
> running of the windows "system" process with cygwin active?

The overridden utilities always makes me nervous, though there's no
obvious reason to be, since the Cygwin versions are reported as
overriding the "WinAVR" versions.  But I think this is more of a
cause for concern:

 > Sonic Solutions burning software containing DLA component

I'd try removing that and see if it helps.

There's also 1.7 - <http://cygwin.com/#beta-test>

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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