From: Andi Kleen <andi@firstfloor.org>
To: Chia-Hung Lin <ch1028.lin@gmail.com>
Cc: linux-numa@vger.kernel.org
Subject: Re: a question about the numa information on my machine
Date: Tue, 19 Jul 2011 06:05:40 +0200 [thread overview]
Message-ID: <20110719040540.GF8006@one.firstfloor.org> (raw)
In-Reply-To: <CAA9MpSQnPdx76ZjO4Kgdyg84FEFM3c60TY=C9ajrMKTbkRZ5gA@mail.gmail.com>
On Tue, Jul 19, 2011 at 11:01:08AM +0800, Chia-Hung Lin wrote:
> Hi, all,
>
> I just identified the problem.
> I use Intel VTune Amplifier for profiling and it asks me to disable
> C-States to avoid system hanging.
> Today, I popped up the idea to try to enable it and checked the
> numa information again.
> It is o.k.! So, C-States is critical for NUMA in Nehalem Architecture?
No, C-states are orthogonal to NUMA.
-Andi
prev parent reply other threads:[~2011-07-19 4:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BANLkTik9Dxx5-9N1XD8fMA6gvkNpzidTtA@mail.gmail.com>
2011-06-22 6:13 ` a question about the numa information on my machine Chia-Hung Lin
2011-06-22 13:13 ` Lee Schermerhorn
2011-06-22 15:17 ` Andi Kleen
2011-06-23 9:35 ` Chia-Hung Lin
2011-07-19 3:01 ` Chia-Hung Lin
2011-07-19 4:05 ` Andi Kleen [this message]
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