From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Mat=EDas_L=F3pez_Bergero?= Subject: Re: smp question Date: Tue, 30 Nov 2004 10:25:28 -0300 Message-ID: <41AC74C8.8090405@udesa.edu.ar> References: <41AB569E.3000309@udesa.edu.ar> <41ABB73D.9030400@kjchome.homeip.net> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <41ABB73D.9030400@kjchome.homeip.net> Sender: linux-admin-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: "Kevin J. Cummings" Cc: linux-admin -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Kevin J. Cummings wrote: | Mat=EDas L=F3pez Bergero wrote: |> I have a SMP capable server, but with only one cpu installed. |> Should I enable SMP support on the kernel? I'm trying to reach the b= est |> performance. |> The cpu is Intel Xeon, this option is not in the cpu list in the ker= nel |> config. Should I chose P4 or P3? it is the same? | | IIRC, Xeon processors have dual internal cores (or at least dual | instruction decode paths), and act like dual processors, and benefit | from the SMP kernels. Also, IIRC, there were both P3 and P4 Xeons ma= de. | So, you have to know which version you have. | | What does "cat /proc/cpuinfo" tell you? | I'm seeing two processors, I had notes this before, but I was in doubt if that output was produced by the SMP kernel, or the Xeon cpu, now according to what you are telling me, it's a feature of the Xeon cpu ri= ght? Here is my cpuinfo: sh-2.05b# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 9 cpu MHz : 2800.195 cache size : 512 KB physical id : 0 siblings : 2 runqueue : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 5583.66 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 9 cpu MHz : 2800.195 cache size : 512 KB physical id : 0 siblings : 2 runqueue : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 5596.77 sh-2.05b# Thanks for ur help Kevin! Best Regards, Mat=EDas. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFBrHTIRB0HKLRQp/gRAkENAJ9Rvli1vBniBxSRZj2CPo8u9hquPACgyVY9 x9GLit+7awA7RjpL0ZrVE2c=3D =3DkH68 -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-admin" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html