linux-kernel - Re: Wrong cache size reported on Q6600

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Message-ID: <468525C8.2010407@redhat.com>
Date:	Fri, 29 Jun 2007 11:31:20 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Con Kolivas <kernel@...ivas.org>
CC:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: Wrong cache size reported on Q6600

On 06/28/2007 07:57 PM, Con Kolivas wrote:
> On Friday 29 June 2007 09:33, Siddha, Suresh B wrote:
>> 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.
> 
> That was what I wasn't sure of as I said above; thanks for clarifying.
> 

You really need to look in /sys/devices/system/cpu/cpuX/cache/ to get
any kind of useful information.

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