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Date:      Tue, 15 Jan 2002 17:11:13 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        David Wolfskill <david@catwhisker.org>
Cc:        current@FreeBSD.org
Subject:   RE: -CURRENT as of 14 Jan seems slow
Message-ID:  <XFMail.020115171113.jhb@FreeBSD.org>
In-Reply-To: <200201160056.g0G0u3A08394@bunrab.catwhisker.org>

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On 16-Jan-02 David Wolfskill wrote:
>>Date: Tue, 15 Jan 2002 16:46:17 -0800 (PST)
>>From: John Baldwin <jhb@FreeBSD.org>
> 
>>On 16-Jan-02 David Wolfskill wrote:
>>> So... is this worth pursuing a bit more?
> 
>>Two questions:
> 
>>1) Do you have WITNESS on in your kernel config?
> 
> Yes, in both the build machine & the laptop -- since before I made a
> "local" hierarchy within my CVS repository (September 9, 2001).
> 
>>2) If yes, have you tried building with a kernel without witness?
> 
> No, not since I put it in to re-sync with GENERIC.  I could try that, I
> suppose -- but as noted, I've had WITNESS in there for a while; something
> seems to have changed during that one 24-hr. period that affected things
> rather radically.  And I thought it notable.  :-}
> 
> I gather no one else has noticed this?

Alfred added several more locks for file I/O stuff that could be the hit you
are seeing.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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