Date: Tue, 12 Aug 2003 18:33:59 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: "Scott M. Likens" <damm@fpsn.net> Cc: current@freebsd.org Subject: Re: Dual P4 2.4Ghz Xeon With Hyperthreading enabled... Message-ID: <20030813013359.GA23631@Odin.AC.HMC.Edu> In-Reply-To: <1060737565.25981.1.camel@acheron.livid.de> References: <1060727908.22614.1.camel@acheron.livid.de> <20030812224105.GA5697@Odin.AC.HMC.Edu> <1060737565.25981.1.camel@acheron.livid.de>
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--azLHFNyN32YCQGCU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 12, 2003 at 06:19:25PM -0700, Scott M. Likens wrote: > On Tue, 2003-08-12 at 15:41, Brooks Davis wrote: > > On Tue, Aug 12, 2003 at 03:38:29PM -0700, Scott M. Likens wrote: > > > Well friend of mine just landed a Dual P4 2.4Ghz Xeon with > > > Hyperthreading Enabled, and yet I know there's a hyperthreading option > > > in 4.8-RELEASE but I don't see one at ALL in 5.1? > > >=20 > > > am I suddenly blind or do I need to cvsup to CURRENT to take proper > > > advantage? > >=20 > > There is no option in current. Instead, you use the sysctl > > machdep.hlt_logical_cpus to indicate if you want to use the logical > > cpus. >=20 > For clarification, setting this to 2 would mean 2 processor's to > process? No. It's a boolean. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --azLHFNyN32YCQGCU Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE/OZWFXY6L6fI4GtQRAhicAJ9rDjctsP634y5tTudIHO7QP0/PEwCeOGdf QUjhwPmLWKEWvogCOtMtg24= =27Qv -----END PGP SIGNATURE----- --azLHFNyN32YCQGCU--
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