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Date: Thu, 1 Feb 2007 12:30:16 -0800
From: "Kip Macy" <kip.macy@gmail.com>
To: "Julian Elischer" <julian@elischer.org>, "Ivan Voras" <ivoras@fer.hr>, 
	freebsd-current@freebsd.org
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References: <45C24113.7000608@elischer.org> <eptgi3$3l7$1@sea.gmane.org>
	<45C24788.2040708@elischer.org>
Cc: 
Subject: Re: lock contention etc.
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I can already tell you from builds on the T2000 that its the vm page
queue mutex.

On 2/1/07, Julian Elischer <julian@elischer.org> wrote:
> Ivan Voras wrote:
> > Julian Elischer wrote:
> >
> >>     3762.94 real      2627.66 user      1275.78 sys
> >>     2465.10 real      2958.94 user      1918.64 sys
> >>     2262.88 real      4322.31 user      3333.58 sys
> >
> >> (2 processors with HTT)  (looks like 4 processors)
> >> -current, sched_4bsd
> >
> > I'm possibly stating the obvious, but did you try without HTT or on a
> > real 4proc machine? Much of the contention might be an artifact of HTT
> > (e.g. HTT "logical" processor blocking when real work could be done
> > because the internal processor units are busy elsewhere).
> >
> >
>
> yes I just sent an email stating that.
> And I'm trying it again with the virtual cores turned off.
>
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