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Date:      Mon, 3 Jul 2006 11:51:39 +0200
From:      Fabian Keil <freebsd-listen@fabiankeil.de>
To:        nocturnal <nocturnal@swehack.se>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Interrupt using all the CPU
Message-ID:  <20060703115139.4a78514c@localhost>
In-Reply-To: <44A8D770.5060808@swehack.se>
References:  <44A8D770.5060808@swehack.se>

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nocturnal <nocturnal@swehack.se> wrote:

> I'm having a few problems with a webserver. Today the idle was at 0.0=20
> and it's still like this. It doesn't look like it's affecting web=20
> services but it looks weird and i'm afraid that the CPU is working
> it's ass off with something. Of course nothing shows up in top or ps
> that could indicate which process is taking up all this cpu and since=20
> interrupt is the one using it i'm not even sure anything is actually=20
> using up CPU since i don't know what interrupt is. Any hints or
> pointers would be appreciated.
>=20
> It looks like interrupt and system are fighting for percents,
> interrupt has 100% constantly and as soon as interrupt drops system
> takes exactly what's left over and sometimes system doesn't do it so
> idle gets a few percents. It's weird to me simply because i can't
> find a description of what interrupt shows in top anywhere in the
> manuals.

Did you already try "top -S"?

Fabian
--=20
http://www.fabiankeil.de/

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