From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bill Fink <billfink@mindspring.com>
Subject: Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is
 not successful
Date: Thu, 3 Jun 2010 00:56:19 -0400
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Cc: David Miller <davem@davemloft.net>, cl@linux-foundation.org,
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To: Eric Dumazet <eric.dumazet@gmail.com>
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On Thu, 03 Jun 2010, Eric Dumazet wrote:

> Le mercredi 02 juin 2010 =E0 23:50 -0400, Bill Fink a =E9crit :
> > On Wed, 02 Jun 2010, David Miller wrote:
> >=20
> > > Just in case people are really so clueless as to be unable to fig=
ure
> > > 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
>=20
> Its sources are included in kernel tree
>=20
> cd tools/perf
> make
> ./perf --help

Thanks.  That seems easy enough.  From some gitweb digging, it
appears perf first appeared in 2.6.31 kernels, so I'm going to
have to do a kernel upgrade from our current 2.6.30.10 kernels.

=46or others, I also ran across a perf wiki page at:

	https://perf.wiki.kernel.org/index.php/Main_Page

						-Bill