Date: Tue, 5 Dec 2006 19:44:53 +0200 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Marwan Sultan <dead_line@hotmail.com> Cc: lane@joeandlane.com, freebsd-questions@freebsd.org Subject: Re: Duo core enable/support help. Message-ID: <20061205174453.GA4621@kobe.laptop> In-Reply-To: <BAY104-F380F837FAD01A8CF3468BE9ADE0@phx.gbl> References: <200612041858.45873.lane@joeandlane.com> <BAY104-F380F837FAD01A8CF3468BE9ADE0@phx.gbl>
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On 2006-12-05 12:14, Marwan Sultan <dead_line@hotmail.com> wrote: > Hello Lane! > > I'm a frequent reader to /usr/src/UPDATING > But whenever I need to update or upgrade only, since years! > > Also I knew very well whats KERNCONF! i just wanted to know and make > sure of the duo core options, and i searched the NOTES file, didnot > find anything about it. If this is what you are asking, then "yes, an SMP-capable kernel will discover the two cores of your Intel Core Duo as separate CPUs". On my Toshiba Satellite laptop, this shows up in /var/run/dmesg.boot: % Copyright (c) 1992-2006 The FreeBSD Project. % Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 % The Regents of the University of California. All rights reserved. % FreeBSD is a registered trademark of The FreeBSD Foundation. % FreeBSD 7.0-CURRENT #0: Mon Dec 4 15:30:38 EET 2006 % build@kobe:/home/build/obj/home/build/src/sys/KOBE % WARNING: WITNESS option enabled, expect reduced performance. % Timecounter "i8254" frequency 1193182 Hz quality 0 % CPU: Genuine Intel(R) CPU T2400 @ 1.83GHz (1828.77-MHz 686-class CPU) % Origin = "GenuineIntel" Id = 0x6e8 Stepping = 8 % Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> % Features2=0xc1a9<SSE3,MON,VMX,EST,TM2,XTPR,<b15>> % Cores per package: 2 % real memory = 528089088 (503 MB) % avail memory = 507101184 (483 MB) % ACPI APIC Table: <TOSHIB 750 > % FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs % cpu0 (BSP): APIC ID: 0 % cpu1 (AP): APIC ID: 1 % [...] Then, each core works as a separate CPU, as expected :)
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