diff options
| author |   Song Liu <songliubraving@fb.com> | 2017-10-23 09:20:22 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-24 01:21:25 +0100 |
| commit | f6e37b25413cf636369668652e9752ee77c7d9f7 (patch) | |
| tree | 646f1226c2f354452897f431f93173a92e963b0a /include | |
| parent | Merge branch 'hns3-next' (diff) | |
| download | linux-dev-f6e37b25413cf636369668652e9752ee77c7d9f7.tar.xz linux-dev-f6e37b25413cf636369668652e9752ee77c7d9f7.zip | |
tcp: add trace event class tcp_event_sk_skb
Introduce event class tcp_event_sk_skb for tcp tracepoints that
have arguments sk and skb.
Existing tracepoint trace_tcp_retransmit_skb() falls into this class.
This patch rewrites the definition of trace_tcp_retransmit_skb() with
tcp_event_sk_skb.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/tcp.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h index c3220d914475..14b0a7083f1d 100644 --- a/include/trace/events/tcp.h +++ b/include/trace/events/tcp.h @@ -9,7 +9,13 @@ #include <linux/tracepoint.h> #include <net/ipv6.h> -TRACE_EVENT(tcp_retransmit_skb, +/* + * tcp event with arguments sk and skb + * + * Note: this class requires a valid sk pointer; while skb pointer could + * be NULL. + */ +DECLARE_EVENT_CLASS(tcp_event_sk_skb, TP_PROTO(struct sock *sk, struct sk_buff *skb), @@ -64,6 +70,13 @@ TRACE_EVENT(tcp_retransmit_skb, __entry->saddr_v6, __entry->daddr_v6) ); +DEFINE_EVENT(tcp_event_sk_skb, tcp_retransmit_skb, + + TP_PROTO(struct sock *sk, struct sk_buff *skb), + + TP_ARGS(sk, skb) +); + #endif /* _TRACE_TCP_H */ /* This part must be outside protection */ |