Date: Fri, 31 Jan 2003 15:05:28 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: leafy <leafy@leafy.idv.tw> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Hyperthreading and machdep.cpu_idle_hlt Message-ID: <XFMail.20030131150528.jhb@FreeBSD.org> In-Reply-To: <20030131185929.GA8052@leafy.idv.tw>
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On 31-Jan-2003 leafy wrote: > On Fri, Jan 31, 2003 at 01:45:56PM -0500, Trish Lynch wrote: >> I have the .dat's for you, unfortunately, the output is different, so >> you'll have to modify the .cfg for gnuplot :) >> >> -Trish > I have HTT for my CPU, is there any "hack" to the BIOS to enable HyperThreading? Having HTT does _not_ mean you actually have multiple cores in your physical CPU. You will see a separate line in your dmesg giving the number of cores per CPU if you do. The BIOS really has nothing to do with this, it all comes from registers returned from the CPUID instruction. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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