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    Date
    SubjectRe: [PATCH v4 3/5] netdev: add tracepoints to netdev layer
    From
    From: Koki Sanagi <sanagi.koki@jp.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@jp.fujitsu.com>

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


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