how about this one:
grep physical /proc/cpuinfo | uniq -c
1 physical id : 0
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 2
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 4
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 6
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 0
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 2
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 4
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 6
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 0
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 2
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 4
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 6
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 0
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 2
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 4
1 address sizes : 40 bits physical, 48 bits virtual
1 physical id : 6
1 address sizes : 40 bits physical, 48 bits virtual
--- 09/8/18 (二)，Marti, Rob <RJM002@xxxxxxxx> 寫道：
> 寄件者: Marti, Rob <RJM002@xxxxxxxx>
> 主旨: RE: how to get the number of sockets
> 收件者: "General Red Hat Linux discussion list" <redhat-list@xxxxxxxxxx>
> 日期: 2009年8月18日,二,上午8:38
> Check manufacturers specs.
> There isn't a software way to check for an empty cpu - I'm
> guessing you meant empty because /proc/cpuinfo tells you how
> mant slots are full.
>
> grep physical /proc/cpuinfo | uniq -c
> 4 physical id
> : 0
> 4 physical id
> : 1
>
> So 4 cores on each of 2 sockets.
>
> Rob Marti
> Systems Administrator
> Sam Houston State University
> 936-294-3804 // rob@xxxxxxxx
>
>
> -----Original Message-----
> From: redhat-list-bounces@xxxxxxxxxx
> [mailto:redhat-list-bounces@xxxxxxxxxx]
> On Behalf Of ESGLinux
> Sent: Tuesday, August 18, 2009 7:32 AM
> To: General Red Hat Linux discussion list
> Subject: how to get the number of sockets
>
> Hi all,
> I was going to by a red hat license for a new server, an
> looking the note1 in this link:
> https://www.redhat.com/apps/store/server/#note1
>
> I have reallized that the important thing is the number of
> sockets, not the number of cpus.
>
> So my question is simple, how can I get the number of
> sockets a motherboard has, ?(without opening it. of coures)
>
> I have look at the /proc dir but I get only info about the
> cpus, not about the sockets,
>
> any suggestion,
>
> Thanks in advance
>
> ESG
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