From mboxrd@z Thu Jan  1 00:00:00 1970
From: kernel.frog.007@gmail.com (J.Hwan Kim)
Date: Thu, 23 Oct 2014 10:47:57 +0900
Subject: Non-maskable interrupt
In-Reply-To: <7811.1413999439@turing-police.cc.vt.edu>
References: <5447CCA8.3010100@gmail.com>
	<7811.1413999439@turing-police.cc.vt.edu>
Message-ID: <54485E4D.7030003@gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

2014? 10? 23? 02:37? Valdis.Kletnieks at vt.edu ?(?) ? ?:
> On Thu, 23 Oct 2014 00:26:32 +0900, "J.Hwan Kim" said:
>> Hi, everyone
>>
>> In my system, NMI intrrupt counter is increased continuously,
>> which I found in /proc/interrupts.
>> How can I find the reasons of NMI interrupts?
> How fast are they increasing?  A few an hour?  A few a minute?
   once per second...
   and I found the nmi couter is same with PMI.

> What does 'grep -i nmi your-config-here' return?

My kernel config about NMI  is as follows :

CONFIG_DEBUG_NMI_TIMEOUT=5
CONFIG_HAVE_FTRACE_NMI_ENTER=y
CONFIG_FTRACE_NMI_ENTER=y

Thanks