root/include/trace/events/skb.h

#undef TRACE_SYSTEM
#define TRACE_SYSTEM skb

#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SKB_H

#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/tracepoint.h>

/*
 * Tracepoint for free an sk_buff:
 */
TRACE_EVENT(kfree_skb,

        TP_PROTO(struct sk_buff *skb, void *location),

        TP_ARGS(skb, location),

        TP_STRUCT__entry(
                __field(        void *,         skbaddr         )
                __field(        void *,         location        )
                __field(        unsigned short, protocol        )
        ),

        TP_fast_assign(
                __entry->skbaddr = skb;
                __entry->location = location;
                __entry->protocol = ntohs(skb->protocol);
        ),

        TP_printk("skbaddr=%p protocol=%u location=%p",
                __entry->skbaddr, __entry->protocol, __entry->location)
);

TRACE_EVENT(consume_skb,

        TP_PROTO(struct sk_buff *skb),

        TP_ARGS(skb),

        TP_STRUCT__entry(
                __field(        void *, skbaddr )
        ),

        TP_fast_assign(
                __entry->skbaddr = skb;
        ),

        TP_printk("skbaddr=%p", __entry->skbaddr)
);

TRACE_EVENT(skb_copy_datagram_iovec,

        TP_PROTO(const struct sk_buff *skb, int len),

        TP_ARGS(skb, len),

        TP_STRUCT__entry(
                __field(        const void *,           skbaddr         )
                __field(        int,                    len             )
        ),

        TP_fast_assign(
                __entry->skbaddr = skb;
                __entry->len = len;
        ),

        TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
);

#endif /* _TRACE_SKB_H */

/* This part must be outside protection */
#include <trace/define_trace.h>