From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbXF1Xh6 (ORCPT ); Thu, 28 Jun 2007 19:37:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757524AbXF1Xhv (ORCPT ); Thu, 28 Jun 2007 19:37:51 -0400 Received: from mga01.intel.com ([192.55.52.88]:8138 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756516AbXF1Xhu (ORCPT ); Thu, 28 Jun 2007 19:37:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.16,472,1175497200"; d="scan'208";a="262373008" Date: Thu, 28 Jun 2007 16:33:13 -0700 From: "Siddha, Suresh B" To: Con Kolivas Cc: linux kernel mailing list Subject: Re: Wrong cache size reported on Q6600 Message-ID: <20070628233312.GB30594@linux-os.sc.intel.com> References: <200706290931.45355.kernel@kolivas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200706290931.45355.kernel@kolivas.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 29, 2007 at 09:31:44AM +1000, Con Kolivas wrote: > This is a Q6600 which has cache size of 8 MB. Unless it's reporting each > half's effective L2, I think it should be reporting 8192 instead of 4096. There are two L2's, each of 4MB. Each L2 shared by two cores. thanks, suresh > > On 2.6.22-rc6: > > cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 15 > model name : Intel(R) Core(TM)2 Quad CPU @ 2.40GHz > stepping : 7 > cpu MHz : 2401.919 > cache size : 4096 KB > physical id : 0 > siblings : 4 > core id : 0 > cpu cores : 4 > fpu : yes > fpu_exception : yes > cpuid level : 10 > 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 syscall lm > constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm > bogomips : 4806.38 > clflush size : 64 > cache_alignment : 64 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 1 > vendor_id : GenuineIntel > cpu family : 6 > model : 15 > model name : Intel(R) Core(TM)2 Quad CPU @ 2.40GHz > stepping : 7 > cpu MHz : 2401.919 > cache size : 4096 KB > physical id : 0 > siblings : 4 > core id : 1 > cpu cores : 4 > fpu : yes > fpu_exception : yes > cpuid level : 10 > 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 syscall lm > constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm > bogomips : 4803.73 > clflush size : 64 > cache_alignment : 64 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 2 > vendor_id : GenuineIntel > cpu family : 6 > model : 15 > model name : Intel(R) Core(TM)2 Quad CPU @ 2.40GHz > stepping : 7 > cpu MHz : 2401.919 > cache size : 4096 KB > physical id : 0 > siblings : 4 > core id : 2 > cpu cores : 4 > fpu : yes > fpu_exception : yes > cpuid level : 10 > 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 syscall lm > constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm > bogomips : 4803.86 > clflush size : 64 > cache_alignment : 64 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 3 > vendor_id : GenuineIntel > cpu family : 6 > model : 15 > model name : Intel(R) Core(TM)2 Quad CPU @ 2.40GHz > stepping : 7 > cpu MHz : 2401.919 > cache size : 4096 KB > physical id : 0 > siblings : 4 > core id : 3 > cpu cores : 4 > fpu : yes > fpu_exception : yes > cpuid level : 10 > 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 syscall lm > constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm > bogomips : 4803.93 > clflush size : 64 > cache_alignment : 64 > address sizes : 36 bits physical, 48 bits virtual > power management: > > -- > -ck > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/