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Date:      Tue, 18 Jul 2006 10:12:22 -0400
From:      Chuck Swiger <cswiger@mac.com>
To:        Martin Blapp <mb@imp.ch>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Please confirm: top(1) cpu time broken on FreeBSD 6.1 (RELEASE/STABLE) SMP ?
Message-ID:  <44BCEC46.1050303@mac.com>
In-Reply-To: <20060718155642.H36995@godot.imp.ch>
References:  <20060718152306.X36995@godot.imp.ch> <20060718155642.H36995@godot.imp.ch>

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Hi, Martin--

Martin Blapp wrote:
[ ...test program to create load... ]
> CPU states: 50.0% user,  0.0% nice,  0.0% system,  0.0% interrupt, 50.0% 
> idle

You've probably got HTT disabled by sysctl rather than in the BIOS.  In that 
case, top "sees" that your system claims to have 4 CPUs, but you're only going 
to schedule tasks on 2 of them.

Turning HTT off in the BIOS rather than via the sysctl would probably make 
top's view of your system more sensible...

-- 
-Chuck



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