Date: Sat, 1 Feb 2020 06:31:41 -0800 From: David Wolfskill <david@catwhisker.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: freebsd-hackers@freebsd.org Subject: Re: HT detetct Message-ID: <20200201143141.GL1270@albert.catwhisker.org> In-Reply-To: <20200201142613.GA8028@zxy.spb.ru> References: <20200201142613.GA8028@zxy.spb.ru>
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--70RKSkhWIM76k30h Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 01, 2020 at 05:26:14PM +0300, Slawa Olhovchenkov wrote: > No other way to detect HT CPU but from kvm get cpu_apic_ids and from > kvm get cpu_present[] and check .cpu_hyperthread? > .... Not sure what context you have here (driver? shell script? other?). But the output of "sysctl kern.smp.threads_per_core" may be of interest or use in some of those contexts. Peace, david --=20 David H. Wolfskill david@catwhisker.org McConnell's Senators are covering up their whitewash of Trump's malfeasance. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --70RKSkhWIM76k30h Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEE4owz2QxMJyaxAefyQLJg+bY2PckFAl41i81fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEUy OEMzM0Q5MEM0QzI3MjZCMTAxRTdGMjQwQjI2MEY5QjYzNjNEQzkACgkQQLJg+bY2 Pck3BAgAjuqC9VDp/i38vkVKaUkAAz+fOychsDcgJ07wQiVGXTbalCcUcC1FPC12 duNZUrNjQyuoO/SLp8i0ehWppfyXs1g6QLUoMQGh+EbkuWYbTnQvh0qZ0EpmO/T0 trrvZAoFOz0mcvzWqh8c7XJSgzNzzlTeWPniMU3vKbs8bJtur0i/vq4YciUAbSTW YMKdijz56x2Uoj6plG4XKJCjlvYFhxuPWRvsWI0IvEO+NbLyiBwzKvzDqfAeVubD 8wnddR8z827deTxlNvr+wDOL+IMPRpfigMMu4iM5p5S/q5pKo3RE1o0EGiN0Qb5a QzrjeVZPdBJSxMCp05xS72COH7BNaQ== =oa99 -----END PGP SIGNATURE----- --70RKSkhWIM76k30h--
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