mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-15 07:04:44 +00:00
dd1b527831
kfree_skb() includes the location, it makes sense
to add it to consume_skb() as well.
After patch:
taskd_EventMana 8602 [004] 420.406239: skb:consume_skb: skbaddr=0xffff893a4a6d0500 location=unix_stream_read_generic
swapper 0 [011] 422.732607: skb:consume_skb: skbaddr=0xffff89597f68cee0 location=mlx4_en_free_tx_desc
discipline 9141 [043] 423.065653: skb:consume_skb: skbaddr=0xffff893a487e9c00 location=skb_consume_udp
swapper 0 [010] 423.073166: skb:consume_skb: skbaddr=0xffff8949ce9cdb00 location=icmpv6_rcv
borglet 8672 [014] 425.628256: skb:consume_skb: skbaddr=0xffff8949c42e9400 location=netlink_dump
swapper 0 [028] 426.263317: skb:consume_skb: skbaddr=0xffff893b1589dce0 location=net_rx_action
wget 14339 [009] 426.686380: skb:consume_skb: skbaddr=0xffff893a51b552e0 location=tcp_rcv_state_process
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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>
|
|
|
|
#undef FN
|
|
#define FN(reason) TRACE_DEFINE_ENUM(SKB_DROP_REASON_##reason);
|
|
DEFINE_DROP_REASON(FN, FN)
|
|
|
|
#undef FN
|
|
#undef FNe
|
|
#define FN(reason) { SKB_DROP_REASON_##reason, #reason },
|
|
#define FNe(reason) { SKB_DROP_REASON_##reason, #reason }
|
|
|
|
/*
|
|
* Tracepoint for free an sk_buff:
|
|
*/
|
|
TRACE_EVENT(kfree_skb,
|
|
|
|
TP_PROTO(struct sk_buff *skb, void *location,
|
|
enum skb_drop_reason reason),
|
|
|
|
TP_ARGS(skb, location, reason),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(void *, skbaddr)
|
|
__field(void *, location)
|
|
__field(unsigned short, protocol)
|
|
__field(enum skb_drop_reason, reason)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->skbaddr = skb;
|
|
__entry->location = location;
|
|
__entry->protocol = ntohs(skb->protocol);
|
|
__entry->reason = reason;
|
|
),
|
|
|
|
TP_printk("skbaddr=%p protocol=%u location=%pS reason: %s",
|
|
__entry->skbaddr, __entry->protocol, __entry->location,
|
|
__print_symbolic(__entry->reason,
|
|
DEFINE_DROP_REASON(FN, FNe)))
|
|
);
|
|
|
|
#undef FN
|
|
#undef FNe
|
|
|
|
TRACE_EVENT(consume_skb,
|
|
|
|
TP_PROTO(struct sk_buff *skb, void *location),
|
|
|
|
TP_ARGS(skb, location),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( void *, skbaddr)
|
|
__field( void *, location)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->skbaddr = skb;
|
|
__entry->location = location;
|
|
),
|
|
|
|
TP_printk("skbaddr=%p location=%pS", __entry->skbaddr, __entry->location)
|
|
);
|
|
|
|
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>
|