netdev - Re: [PATCH v4 3/5] netdev: add tracepoints to netdev layer

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Date:	Mon, 23 Aug 2010 20:53:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sanagi.koki@...fujitsu.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kaneshige.kenji@...fujitsu.com, izumi.taku@...fujitsu.com,
	kosaki.motohiro@...fujitsu.com, nhorman@...driver.com,
	laijs@...fujitsu.com, scott.a.mcmillan@...el.com,
	rostedt@...dmis.org, eric.dumazet@...il.com, fweisbec@...il.com,
	mathieu.desnoyers@...ymtl.ca
Subject: Re: [PATCH v4 3/5] netdev: add tracepoints to netdev layer

From: Koki Sanagi <sanagi.koki@...fujitsu.com>
Date: Mon, 23 Aug 2010 18:45:02 +0900

> This patch adds tracepoint to dev_queue_xmit, dev_hard_start_xmit, netif_rx and
> netif_receive_skb. These tracepoints help you to monitor network driver's
> input/output.
> 
>           <idle>-0     [001] 112447.902030: netif_rx: dev=eth1 skbaddr=f3ef0900 len=84
>           <idle>-0     [001] 112447.902039: netif_receive_skb: dev=eth1 skbaddr=f3ef0900 len=84
>             sshd-6828  [000] 112447.903257: net_dev_queue: dev=eth4 skbaddr=f3fca538 len=226
>             sshd-6828  [000] 112447.903260: net_dev_xmit: dev=eth4 skbaddr=f3fca538 len=226 rc=0
> 
> Signed-off-by: Koki Sanagi <sanagi.koki@...fujitsu.com>

Acked-by: David S. Miller <davem@...emloft.net>
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