instrumentation/events/lttng-module/net.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM net
   3
   4 #if !defined(_TRACE_NET_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_NET_H
   6
   7 #include <linux/skbuff.h>
   8 #include <linux/netdevice.h>
   9 #include <linux/ip.h>
  10 #include <linux/tracepoint.h>
  11 #include <linux/version.h>
  12
  13 TRACE_EVENT(net_dev_xmit,
  14
  15 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
  16         TP_PROTO(struct sk_buff *skb,
  17                  int rc,
  18                  struct net_device *dev,
  19                  unsigned int skb_len),
  20
  21         TP_ARGS(skb, rc, dev, skb_len),
  22 #else
  23         TP_PROTO(struct sk_buff *skb,
  24                  int rc),
  25
  26         TP_ARGS(skb, rc),
  27 #endif
  28
  29         TP_STRUCT__entry(
  30                 __field(        void *,         skbaddr         )
  31                 __field(        unsigned int,   len             )
  32                 __field(        int,            rc              )
  33 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
  34                 __string(       name,           dev->name       )
  35 #else
  36                 __string(       name,           skb->dev->name  )
  37 #endif
  38         ),
  39
  40 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
  41         TP_fast_assign(
  42                 tp_assign(skbaddr, skb)
  43                 tp_assign(len, skb_len)
  44                 tp_assign(rc, rc)
  45                 tp_strcpy(name, dev->name)
  46         ),
  47 #else
  48         TP_fast_assign(
  49                 tp_assign(skbaddr, skb)
  50                 tp_assign(len, skb->len)
  51                 tp_assign(rc, rc)
  52                 tp_strcpy(name, skb->dev->name)
  53         ),
  54 #endif
  55
  56         TP_printk("dev=%s skbaddr=%p len=%u rc=%d",
  57                 __get_str(name), __entry->skbaddr, __entry->len, __entry->rc)
  58 )
  59
  60 DECLARE_EVENT_CLASS(net_dev_template,
  61
  62         TP_PROTO(struct sk_buff *skb),
  63
  64         TP_ARGS(skb),
  65
  66         TP_STRUCT__entry(
  67                 __field(        void *,         skbaddr         )
  68                 __field(        unsigned int,   len             )
  69                 __string(       name,           skb->dev->name  )
  70         ),
  71
  72         TP_fast_assign(
  73                 tp_assign(skbaddr, skb)
  74                 tp_assign(len, skb->len)
  75                 tp_strcpy(name, skb->dev->name)
  76         ),
  77
  78         TP_printk("dev=%s skbaddr=%p len=%u",
  79                 __get_str(name), __entry->skbaddr, __entry->len)
  80 )
  81
  82 DEFINE_EVENT(net_dev_template, net_dev_queue,
  83
  84         TP_PROTO(struct sk_buff *skb),
  85
  86         TP_ARGS(skb)
  87 )
  88
  89 DEFINE_EVENT(net_dev_template, netif_receive_skb,
  90
  91         TP_PROTO(struct sk_buff *skb),
  92
  93         TP_ARGS(skb)
  94 )
  95
  96 DEFINE_EVENT(net_dev_template, netif_rx,
  97
  98         TP_PROTO(struct sk_buff *skb),
  99
 100         TP_ARGS(skb)
 101 )
 102 #endif /* _TRACE_NET_H */
 103
 104 /* This part must be outside protection */
 105 #include "../../../probes/define_trace.h"