Non-maskable interrupt

[J.Hwan Kim]

2014년 10월 23일 02:37에 Valdis.Kletnieks at vt.edu 이(가) 쓴 글:
> 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