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Date: Fri, 13 Jul 2007 20:50:47 -0500
From: Eric Anderson <anderson@freebsd.org>
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To: "Sean C. Farley" <scf@freebsd.org>
References: <200707131834.27131.h.schmalzbauer@omnisec.de>	<4697CCEB.9080707@FreeBSD.org>	<200707132155.43783.h.schmalzbauer@omnisec.de>
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Cc: attilio@freebsd.org, freebsd-current@freebsd.org,
	Harald Schmalzbauer <h.schmalzbauer@omnisec.de>
Subject: Re: kqemu crash (page fault) with -current
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On 07/13/07 17:29, Sean C. Farley wrote:
> On Fri, 13 Jul 2007, Harald Schmalzbauer wrote:
> 
>> I could install various OS, only when I enable -kernel-kqemu most
>> installer quit with page fault.
> 
> As a side note, I found -kernel-kqemu to be slower for me than without
> it on STABLE.
> 
> Sean


Using ubench from ports on -CURRENT, I see these kinds of numbers (for CPU):

Without any kqemu:       16000 ->  16800
With kqemu, kernelmode: 180000 -> 182000
With kqemu, usermode:   187000 -> 188000
RAW CPU:                202000 -> 203000

Eric