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From: kernel.frog.007@gmail.com (J.Hwan Kim)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Non-maskable interrupt
Date: Thu, 23 Oct 2014 10:47:57 +0900	[thread overview]
Message-ID: <54485E4D.7030003@gmail.com> (raw)
In-Reply-To: <7811.1413999439@turing-police.cc.vt.edu>

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

  reply	other threads:[~2014-10-23  1:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-22 15:26 Non-maskable interrupt J.Hwan Kim
2014-10-22 17:37 ` Valdis.Kletnieks at vt.edu
2014-10-23  1:47   ` J.Hwan Kim [this message]
2014-10-23  2:06     ` Valdis.Kletnieks at vt.edu
2014-10-23  2:20       ` J.Hwan Kim
2014-10-23 17:56         ` Paul Bolle

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