Date: Tue, 23 Sep 2003 09:50:12 +0200 From: David Landgren <david@landgren.net> To: freebsd-questions@FreeBSD.ORG Subject: Re: Can I disable HTT in 4.8-STABLE? Message-ID: <3F6FFB34.4070208@landgren.net> In-Reply-To: <BFEF0E96610DF7429A7F226250798EC501DD5C46@electron.jnpr.net> References: <BFEF0E96610DF7429A7F226250798EC501DD5C46@electron.jnpr.net>
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Kent Ketell wrote: > Is there a way to disable the hyperthreading in 4.8-STABLE or > 4.9-PRERELEASE? I'd like to be able to test with and without HTT > enabled to see whether it's actually helping or not. You have to compile a kernel with and without the options SMP, APIC_IO and HTT. You can test if you're running with HTT by examining the output of 'sysctl hw.ncpu'. David
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