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 #include <linux/version.h>
  11
  12 /*
  13  * Tracepoint for free an sk_buff:
  14  */
  15 TRACE_EVENT(kfree_skb,
  16
  17         TP_PROTO(struct sk_buff *skb, void *location),
  18
  19         TP_ARGS(skb, location),
  20
  21         TP_STRUCT__entry(
  22                 __field(        void *,         skbaddr         )
  23                 __field(        void *,         location        )
  24                 __field(        unsigned short, protocol        )
  25         ),
  26
  27         TP_fast_assign(
  28                 tp_assign(skbaddr, skb)
  29                 tp_assign(location, location)
  30                 tp_assign(protocol, ntohs(skb->protocol))
  31         ),
  32
  33         TP_printk("skbaddr=%p protocol=%u location=%p",
  34                 __entry->skbaddr, __entry->protocol, __entry->location)
  35 )
  36
  37 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
  38 TRACE_EVENT(consume_skb,
  39
  40         TP_PROTO(struct sk_buff *skb),
  41
  42         TP_ARGS(skb),
  43
  44         TP_STRUCT__entry(
  45                 __field(        void *, skbaddr )
  46         ),
  47
  48         TP_fast_assign(
  49                 tp_assign(skbaddr, skb)
  50         ),
  51
  52         TP_printk("skbaddr=%p", __entry->skbaddr)
  53 )
  54 #endif
  55
  56 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
  57 TRACE_EVENT(skb_copy_datagram_iovec,
  58
  59         TP_PROTO(const struct sk_buff *skb, int len),
  60
  61         TP_ARGS(skb, len),
  62
  63         TP_STRUCT__entry(
  64                 __field(        const void *,           skbaddr         )
  65                 __field(        int,                    len             )
  66         ),
  67
  68         TP_fast_assign(
  69                 tp_assign(skbaddr, skb)
  70                 tp_assign(len, len)
  71         ),
  72
  73         TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
  74 )
  75 #endif
  76
  77 #endif /* _TRACE_SKB_H */
  78
  79 /* This part must be outside protection */
  80 #include "../../../probes/define_trace.h"