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Date: Thu, 31 Aug 2006 12:02:52 +0200
From: "Jordi Carrillo" <jordilin@gmail.com>
To: skylar@cs.earlham.edu
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Cc: backyard1454-bsd@yahoo.com, Michal Mertl <mime@traveller.cz>,
	phoenix.lists@gmail.com, freebsd-questions@freebsd.org
Subject: Re: SMP detection
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2006/8/31, Skylar Thompson <skylar@cs.earlham.edu>:
>
> Michal Mertl wrote:
> > No! Kernel threads (e.g. handling interrupts) aren't that much different
> > to normal processes.
> >
> > Logical CPUs on a single HTT capable CPU share most of the CPU logic,
> > especially all the external stuff (handling interrupts). Scheduling
> > handling of interrupts on the "secondary/logical" core  wouldn't
> > probably help performance at all (if that is at all possible).
> >
>
> Could you clarify note 20031022 in /usr/src/UPDATING? It states that HTT
> CPUs are used for interrupts if they are detected, even if they aren't
> used by regular processes. Was this something that just showed up in
> pre-6.x releases?
>
> --
> -- Skylar Thompson (skylar@cs.earlham.edu)
> -- http://www.cs.earlham.edu/~skylar/
>
>
>
>
> Another question that's wondering me is why FreeBSD with the SMP kernel
the gnome system monitor (Applications->System Tools->System Monitor) only
shows one CPU when Linux with a SMP kernel shows two CPUs


-- 
http://jordilin.wordpress.com