From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is
 not successful
Date: Thu, 03 Jun 2010 05:54:00 +0200
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Cc: David Miller <davem@davemloft.net>, cl@linux-foundation.org,
	netdev@vger.kernel.org, shemminger@vyatta.com
To: Bill Fink <billfink@mindspring.com>
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Le mercredi 02 juin 2010 =C3=A0 23:50 -0400, Bill Fink a =C3=A9crit :
> On Wed, 02 Jun 2010, David Miller wrote:
>=20
> > Just in case people are really so clueless as to be unable to figur=
e
> > this out:
> >=20
> > echo 1 >/sys/kernel/debug/tracing/events/skb/kfree_skb/enable
> > ...do some stuff...
> > cat /sys/kernel/debug/tracing/trace
> >=20
> > You can even trace it using 'perf' by passing "skb:kfree_skb"
> > as the event specifier.
>=20
> Could someone remind me where to get documentation for obtaining
> and using perf.
>=20

Its sources are included in kernel tree

cd tools/perf
make
=2E/perf --help