netdev - Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is not successful

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Message-Id: <20100602235007.02506d99.billfink@mindspring.com>
Date:	Wed, 2 Jun 2010 23:50:07 -0400
From:	Bill Fink <billfink@...dspring.com>
To:	David Miller <davem@...emloft.net>
Cc:	cl@...ux-foundation.org, eric.dumazet@...il.com,
	netdev@...r.kernel.org, shemminger@...tta.com
Subject: Re: [PATCH] IP: Increment INADDRERRORS if routing for a packet is
 not successful

On Wed, 02 Jun 2010, David Miller wrote:

> Just in case people are really so clueless as to be unable to figure
> this out:
> 
> echo 1 >/sys/kernel/debug/tracing/events/skb/kfree_skb/enable
> ...do some stuff...
> cat /sys/kernel/debug/tracing/trace
> 
> You can even trace it using 'perf' by passing "skb:kfree_skb"
> as the event specifier.

Could someone remind me where to get documentation for obtaining
and using perf.

						-Thanks

						-Bill
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