From: David Ahern <david.ahern@oracle.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>, Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: NMI watchdog triggering during load_balance
Date: Fri, 06 Mar 2015 08:12:49 -0700 [thread overview]
Message-ID: <54F9C3F1.9000902@oracle.com> (raw)
In-Reply-To: <20150306091201.GZ21418@twins.programming.kicks-ass.net>
On 3/6/15 2:12 AM, Peter Zijlstra wrote:
> On Thu, Mar 05, 2015 at 09:05:28PM -0700, David Ahern wrote:
>> Socket(s): 32
>> NUMA node(s): 4
>
> Urgh, with 32 'cpus' per socket, you still do _8_ sockets per node, for
> a total of 256 cpus per node.
Per the response to Mike, the system has 4 physical cpus. Each cpu has
32 cores with 8 threads per core and 4 memory controllers (one mcu per 8
cores). Yes there are 256 logical cpus per node.
David
prev parent reply other threads:[~2015-03-06 15:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-06 4:05 NMI watchdog triggering during load_balance David Ahern
2015-03-06 4:52 ` Mike Galbraith
2015-03-06 15:01 ` David Ahern
2015-03-06 18:11 ` Mike Galbraith
2015-03-06 18:37 ` David Ahern
2015-03-06 19:29 ` Mike Galbraith
2015-03-10 3:06 ` David Ahern
2015-03-07 9:36 ` Peter Zijlstra
2015-03-06 8:51 ` Peter Zijlstra
2015-03-06 15:03 ` David Ahern
2015-03-06 9:07 ` Peter Zijlstra
2015-03-06 15:10 ` David Ahern
2015-03-06 9:12 ` Peter Zijlstra
2015-03-06 15:12 ` David Ahern [this message]
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