instrumentation/events/lttng-module/skb.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM skb
   3
   4 #if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_SKB_H
   6
   7 #include <linux/skbuff.h>
   8 #include <linux/netdevice.h>
   9 #include <linux/tracepoint.h>
  10
  11 /*
  12  * Tracepoint for free an sk_buff:
  13  */
  14 TRACE_EVENT(kfree_skb,
  15
  16         TP_PROTO(struct sk_buff *skb, void *location),
  17
  18         TP_ARGS(skb, location),
  19
  20         TP_STRUCT__entry(
  21                 __field(        void *,         skbaddr         )
  22                 __field(        void *,         location        )
  23                 __field(        unsigned short, protocol        )
  24         ),
  25
  26         TP_fast_assign(
  27                 tp_assign(skbaddr, skb);
  28                 tp_assign(location, location);
  29                 tp_assign(protocol, ntohs(skb->protocol));
  30         ),
  31
  32         TP_printk("skbaddr=%p protocol=%u location=%p",
  33                 __entry->skbaddr, __entry->protocol, __entry->location)
  34 )
  35
  36 TRACE_EVENT(consume_skb,
  37
  38         TP_PROTO(struct sk_buff *skb),
  39
  40         TP_ARGS(skb),
  41
  42         TP_STRUCT__entry(
  43                 __field(        void *, skbaddr )
  44         ),
  45
  46         TP_fast_assign(
  47                 tp_assign(skbaddr, skb);
  48         ),
  49
  50         TP_printk("skbaddr=%p", __entry->skbaddr)
  51 )
  52
  53 TRACE_EVENT(skb_copy_datagram_iovec,
  54
  55         TP_PROTO(const struct sk_buff *skb, int len),
  56
  57         TP_ARGS(skb, len),
  58
  59         TP_STRUCT__entry(
  60                 __field(        const void *,           skbaddr         )
  61                 __field(        int,                    len             )
  62         ),
  63
  64         TP_fast_assign(
  65                 tp_assign(skbaddr, skb);
  66                 tp_assign(len, len);
  67         ),
  68
  69         TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
  70 )
  71
  72 #endif /* _TRACE_SKB_H */
  73
  74 /* This part must be outside protection */
  75 #include "../../../probes/define_trace.h"