[PATCH net-next 5/6] tcp: add tracepoint trace_tcp_destroy_sock
From: Song Liu <hidden>
Date: 2017-10-20 21:20:57
Subsystem:
networking [general], networking [tcp], the rest, tracing · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds, Steven Rostedt, Masami Hiramatsu
This patch adds trace event trace_tcp_destroy_sock. Signed-off-by: Song Liu <redacted> --- include/trace/events/tcp.h | 7 +++++++ net/ipv4/tcp_ipv4.c | 2 ++ 2 files changed, 9 insertions(+)
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 aa99d9d..736753a 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c@@ -1865,6 +1865,8 @@ 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);
--
2.9.5