• Koki Sanagi's avatar
    netdev: Add tracepoints to netdev layer · cf66ba58
    Koki Sanagi authored
    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: default avatarKoki Sanagi <sanagi.koki@jp.fujitsu.com>
    Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
    Acked-by: default avatarNeil Horman <nhorman@tuxdriver.com>
    Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
    Cc: Kaneshige Kenji <kaneshige.kenji@jp.fujitsu.com>
    Cc: Izumo Taku <izumi.taku@jp.fujitsu.com>
    Cc: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
    Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
    Cc: Scott Mcmillan <scott.a.mcmillan@intel.com>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Eric Dumazet <eric.dumazet@gmail.com>
    LKML-Reference: <4C72431E.3000901@jp.fujitsu.com>
    Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
    cf66ba58
net-traces.c 801 Bytes