Subject: Re: tools for tracking mbuf usage
To: harold barker <hvb@efrontier.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: netbsd-help
Date: 06/09/2005 22:23:35
On Wed, Jun 08, 2005 at 03:23:01PM -0700, harold barker wrote:
> 
> I seem to have mbuf leak or at least some app is being a bit of a  
> pig.  Standard symptoms dmesg WARNING: mclpool limit reached;  
> increase NMBCLUSTERS, and system hanging.  I have poked around the  
> archives but found no answers, just other people asking the same  
> question.
> 
> What tools are available for tracking and debugging mbuf usage?
> I have found netstat -m, but notice that Open BSD gives more info ;-)  
> any others?
>  netstat -m
> 39969 mbufs in use:
>         36351 mbufs allocated to data
>         3618 mbufs allocated to packet headers
> 23356 calls to protocol drain routines

Also netstat without options, and look at the send-queues.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--