From: William Lee Irwin III <wli@holomorphy.com>
To: John Wendel <jwendel10@comcast.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ATTN IBM Guys] NMI count on X440 box
Date: Fri, 19 Sep 2003 19:34:15 -0700 [thread overview]
Message-ID: <20030920023415.GD4306@holomorphy.com> (raw)
In-Reply-To: <20030919193103.1d08fbff.jwendel10@comcast.net>
On Fri, Sep 19, 2003 at 07:31:03PM -0700, John Wendel wrote:
> I just noticed that our 8-way X440 is showing (in /proc/interrupts)
> about 100 NMIs / second, on each CPU. Would some kind soul please tell
> me if this is OK? A brief explanation of what this interrupt is being
> used for would be appreciated.
> We're running the latest RH Advanced server kernel.
> </curious>
> Sorry if this is a stupid question.
A common use for intentional NMI's is NMI-based profiling, i.e. oprofile.
I can't say for sure this is where your NMI's are coming from without
seeing more about your kernel.
-- wli
next prev parent reply other threads:[~2003-09-20 2:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-20 2:31 [ATTN IBM Guys] NMI count on X440 box John Wendel
2003-09-20 2:34 ` William Lee Irwin III [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-09-20 10:08 Mikael Pettersson
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