tcp: add tracepoint trace_tcp_destroy_sock
This patch adds trace event trace_tcp_destroy_sock.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h
index c83c711..1724c12 100644
--- a/include/trace/events/tcp.h
+++ b/include/trace/events/tcp.h
@@ -154,6 +154,13 @@ DEFINE_EVENT(tcp_event_sk, tcp_receive_reset,
TP_ARGS(sk)
);
+DEFINE_EVENT(tcp_event_sk, tcp_destroy_sock,
+
+ TP_PROTO(const struct sock *sk),
+
+ TP_ARGS(sk)
+);
+
#endif /* _TRACE_TCP_H */
/* This part must be outside protection */
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index eb3f3b8..23a8100 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1869,6 +1869,8 @@ void tcp_v4_destroy_sock(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
+ trace_tcp_destroy_sock(sk);
+
tcp_clear_xmit_timers(sk);
tcp_cleanup_congestion_control(sk);