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Date:      Sun, 14 Dec 2008 17:49:37 +0200
From:      "Yehonatan Yossef" <yoniy@mellanox.co.il>
To:        <freebsd-questions@freebsd.org>, <freebsd-hackers@freebsd.org>
Subject:   Detecting network memory leaks using netstat -m
Message-ID:  <5D49E7A8952DC44FB38C38FA0D758EAD01335E8C@mtlexch01.mtl.com>
In-Reply-To: <877i6ct1kj.fsf@kobe.laptop>
References:  <20def4870812070756n649f442fwc6e1d3da195a0669@mail.gmail.com> <877i6ct1kj.fsf@kobe.laptop>

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Hi All,

I'm trying to find out whether my ethernet driver is leaking.
I just found out about netstat -m, but I don't understand some of it's
output.

Can somebody explain me what is "mbuf+clusters out of packet secondary
zone in use" ?
My output shows it raised significantly during equilibrium after several
stress runs:

BEFORE

16641/217734/234375 mbufs in use (current/cache/total)
16640/217766/234406/262144 mbuf clusters in use
(current/cache/total/max)
256/1664 mbuf+clusters out of packet secondary zone in use
(current/cache)

AFTER

625083/86562/711645 mbufs in use (current/cache/total)
180264/81880/262144/262144 mbuf clusters in use
(current/cache/total/max)
160420/311 mbuf+clusters out of packet secondary zone in use
(current/cache)

Thanks
Yony



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