From owner-freebsd-questions@FreeBSD.ORG  Mon May  9 17:03:19 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 6315B16A4EB
	for <freebsd-questions@freebsd.org>;
	Mon,  9 May 2005 17:03:19 +0000 (GMT)
Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.205])
	by mx1.FreeBSD.org (Postfix) with ESMTP id B830743D8D
	for <freebsd-questions@freebsd.org>;
	Mon,  9 May 2005 17:03:18 +0000 (GMT)
	(envelope-from mrparsons@gmail.com)
Received: by zproxy.gmail.com with SMTP id 34so1938804nzf
	for <freebsd-questions@freebsd.org>;
	Mon, 09 May 2005 10:03:17 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
	s=beta; d=gmail.com;
	h=received:message-id:date:from:user-agent:x-accept-language:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding;
	b=Q8gBLIHlEJovatzi2rBKDCItVDU9FIPBm5gRZu0Tjc/R7+ofwC6P7UzdX2Q1F05yyvPawhusdarKeWZ8kYwiRviEgHRbzdPhnqy3wX9/jTJy/xzn0CTyAnThGXrd1EdeZErRi7m2A1LH8xYQaQj0uwo6rPRd2If4wYdjl5bdt/4=
Received: by 10.36.2.12 with SMTP id 12mr1201730nzb;
        Mon, 09 May 2005 10:03:17 -0700 (PDT)
Received: from ?192.168.0.2? ([70.49.27.179])
        by mx.gmail.com with ESMTP id 14sm280081nzp.2005.05.09.10.03.17;
        Mon, 09 May 2005 10:03:17 -0700 (PDT)
Message-ID: <427F97DB.1040402@gmail.com>
Date: Mon, 09 May 2005 13:03:23 -0400
From: "M. Parsons" <mrparsons@gmail.com>
User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: freebsd-questions@freebsd.org
References: <427E0DD0.4010806@gmail.com>
	<20050509144426.GD981@eucla.lemis.com>
In-Reply-To: <20050509144426.GD981@eucla.lemis.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: Is this a high interrupt rate for nics?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 09 May 2005 17:03:19 -0000

Greg 'groggy' Lehey wrote:

>On Sunday,  8 May 2005 at  9:02:08 -0400, M. Parsons wrote:
>  
>
>>Freebsd-5.3 SMP Kernel. Polling enabled.
>>
>>bash-2.05b$ vmstat -i
>>interrupt                          total       rate
>>irq5: ep0                        2937064          1
>>irq11: ed0                     298318862        165
>>irq10: de0                     276544892        152
>>
>>Are those normal for ed0 and de0?  Compared to the ep0 nic of rate
>>of 1 (although the ep0 nic is not used as much as the other two nics
>>obviously).
>>    
>>
>
>Depends on what you mean by "normal".  You'll get one interrupt per
>packet, and those rates are perfectly normal.  If you're not
>transferring anything, you shouldn't be getting any interrupts.
>
>  
>
Ok, thats what I thought.  Just seeing the difference between ep0 and 
the other two made me a little confused.  And seeing as ed0 and de0 are 
used about 100x more often than the ep0, those numbers seem about right 
then.

Thanks for the answer.

Mark