Date: Mon, 25 Aug 2003 11:33:28 -0300 From: "Daniel C. Sobral" <dcs@tcoip.com.br> To: Mike Jakubik <mikej@trigger.net> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: HTT on current Message-ID: <3F4A1E38.7090109@tcoip.com.br> In-Reply-To: <JCEIKJMCANNPGKFKGLKLOENEDJAA.mikej@trigger.net> References: <JCEIKJMCANNPGKFKGLKLOENEDJAA.mikej@trigger.net>
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Mike Jakubik wrote: > Its seems to be working for me ok with the sysctl machdep.hlt_logical_cpus > variable set to 0. (I wonder why its not by default) It's not default because the performance decreases with htt most of the time. > > # sysctl machdep.hlt_logical_cpus=0 > machdep.hlt_logical_cpus: 2 -> 0 > # uname -a > FreeBSD newns.trigger.net 5.1-CURRENT FreeBSD 5.1-CURRENT #0: Fri Aug 22 > 19:07:26 EDT 2003 root@newns.trigger.net:/usr/src/sys/i386/compile/NS1 > i386 > > I am running on an Intel s875wp1 server MB. > > >>-----Original Message----- >>From: Marc G. Fournier [mailto:scrappy@hub.org] >>Sent: Sunday, August 24, 2003 12:49 PM >>To: Kris Kennaway >>Cc: Yamada Ken Takeshi; mikej@trigger.net; current@freebsd.org >>Subject: Re: HTT on current >> >> >> >>yes: >> >>ganymede# grep SMP /usr/src/sys/i386/conf/kernel >>options SMP # Symmetric MultiProcessor Kernel >> >>and: >> >>CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2393.19-MHz 686-class CPU) >> Origin = "GenuineIntel" Id = 0xf27 Stepping = 7 >> >>Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MT > > RR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > >>real memory = 536805376 (511 MB) >>avail memory = 515919872 (492 MB) >>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 >> >>shouldn't it be starting up a second CPU, for the HTT? >> >> >>On Sun, 24 Aug 2003, Kris Kennaway wrote: >> >> >>>On Sun, Aug 24, 2003 at 01:06:28PM -0300, Marc G. Fournier wrote: >>> >>>> >>>>ganymede# sysctl machdep.hlt_logical_cpus >>>>sysctl: unknown oid 'machdep.hlt_logical_cpus' >>>>ganymede# uname -a >>>>FreeBSD ganymede.hub.org 5.1-CURRENT FreeBSD 5.1-CURRENT #1: >> >>Sat Aug 23 00:08:54 ADT 2003 >>root@ganymede.hub.org:/usr/obj/usr/src/sys/kernel i386 >> >>>Is this a SMP kernel? >>> >>>ports-i386%uname -a >>>FreeBSD dosirak.kr.freebsd.org 5.1-CURRENT FreeBSD 5.1-CURRENT >> >>#8: Sat Aug 9 15:43:12 KST 2003 >>root@dosirak.kr.freebsd.org:/usr/src/sys/i386/compile/DOSIRAK i386 >> >>>ports-i386%sysctl machdep.hlt_logical_cpus >>>machdep.hlt_logical_cpus: 1 >>> >>>Kris >>> >> > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" -- Daniel C. Sobral (8-DCS) Gerencia de Operacoes Divisao de Comunicacao de Dados Coordenacao de Seguranca VIVO Centro Oeste Norte Fones: 55-61-313-7654/Cel: 55-61-9618-0904 E-mail: Daniel.Capo@tco.net.br Daniel.Sobral@tcoip.com.br dcs@tcoip.com.br Outros: dcs@newsguy.com dcs@freebsd.org capo@notorious.bsdconspiracy.net Isn't air travel wonderful? Breakfast in London, dinner in New York, luggage in Brazil.
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