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Date:      Mon, 3 Sep 2012 06:43:29 +1000
From:      Peter Jeremy <peter@rulingia.com>
To:        Lev Serebryakov <lev@freebsd.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Bad routing performance on 500Mhz Geode LX with CURRENT, ipfw and mpd5 (was: ipfw, "ip|all" proto and PPPoE -- does PPPoE packets passed to ipfw?)
Message-ID:  <20120902204329.GA2654@aspire.rulingia.com>
In-Reply-To: <1435570640.20120831001711@serebryakov.spb.ru>
References:  <1865271844.20120829131610@serebryakov.spb.ru> <CAHu1Y70MynCMQTrJUMwTZ0%2BLrM1JiZFt_B77028XHfoiRgzmaA@mail.gmail.com> <1807373989.20120829223125@serebryakov.spb.ru> <20120830152726.A33776@sola.nimnet.asn.au> <534292400.20120830131158@serebryakov.spb.ru> <CAJ-Vmomcq188wU0mHen-=hJHNQvxzMR%2BfAGLVbvnM5zWLZ%2BEDg@mail.gmail.com> <1435570640.20120831001711@serebryakov.spb.ru>

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On 2012-Aug-31 00:17:11 +0400, Lev Serebryakov <lev@freebsd.org> wrote:
>  Is it possible to use gprof with kernel? As here is no userland
>processes involved: PPPoE is porcessed by netgrpah, routing & ipfw is
>kernel stuff too...

Since no-one else has mentioned it, see the '-p' option to config(8)
and kgmon(8).  There's also dtrace.

--=20
Peter Jeremy

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