Date: Tue, 8 Jul 2003 11:09:41 +0200 (CEST) From: Lukas Ertl <l.ertl@univie.ac.at> To: freebsd-current@freebsd.org Subject: HTT on single CPU? Message-ID: <20030708110627.X16193@pcle2.cc.univie.ac.at>
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Hi, how do I enable Hyperthreading on a box that has just a single CPU? From=20dmesg: ---8<--- CPU: Intel(R) Pentium(R) 4 CPU 2.53GHz (2523.99-MHz 686-class CPU) Origin =3D "GenuineIntel" Id =3D 0xf27 Stepping =3D 7 Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,= MCA,C MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Programming 24 pins in IOAPIC #0 IOAPIC #0 intpin 2 -> irq 0 FreeBSD/SMP: Multiprocessor System Detected: 1 CPUs cpu0 (BSP): apic id: 0, version: 0x00050014, at 0xfee00000 io0 (APIC): apic id: 2, version: 0x00178020, at 0xfec00000 ---8<--- smp(4) mentions machdep.hlt_logical_cpus, but: # sysctl machdep.hlt_logical_cpus sysctl: unknown oid 'machdep.hlt_logical_cpus' The kernel is 5.1-CURRENT from July 4. regards, le --=20 Lukas Ertl eMail: l.ertl@univie.ac.at UNIX-Systemadministrator Tel.: (+43 1) 4277-14073 Zentraler Informatikdienst (ZID) Fax.: (+43 1) 4277-9140 der Universit=E4t Wien http://mailbox.univie.ac.at/~le/
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