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From: Tom Vier <tmv@comcast.net>
To: linux-kernel@vger.kernel.org
Subject: not for amd Re: Distinguish real vs. virtual CPUs?
Date: Tue, 22 Mar 2005 10:02:49 -0500	[thread overview]
Message-ID: <20050322150249.GA10709@zero> (raw)
In-Reply-To: <20050322015603.GB19541@redhat.com>

On Mon, Mar 21, 2005 at 08:56:03PM -0500, Dave Jones wrote:
> Compare the 'physical id' fields of /proc/cpuinfo, and count
> how many unique values you get.

It doesn't work for opteron, at least. These are in two sockets, but the
phys id is the same.

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 5
model name      : AMD Opteron(tm) Processor 244
stepping        : 8
cpu MHz         : 1792.493
cache size      : 1024 KB
physical id     : 0
siblings        : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 pni syscall nx mmxext lm 3dnowext
3dnow
bogomips        : 3514.36

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 5
model name      : AMD Opteron(tm) Processor 244
stepping        : 10
cpu MHz         : 1792.493
cache size      : 1024 KB
physical id     : 0
siblings        : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 pni syscall nx mmxext lm 3dnowext
3dnow
bogomips        : 3571.71

-- 
Tom Vier <tmv@comcast.net>
DSA Key ID 0x15741ECE

  parent reply	other threads:[~2005-03-22 15:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-22  1:27 Distinguish real vs. virtual CPUs? Dan Maas
2005-03-22  1:56 ` Dave Jones
2005-03-22 11:55   ` Dr. David Alan Gilbert
2005-03-22 15:02   ` Tom Vier [this message]
2005-03-22  2:01 ` Daniel Andersen
2005-03-22  2:12 ` J.A. Magallon

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