From: Hariharan Ananthakrishnan Date: Fri, 29 Jan 2021 00:12:10 +0000 (+0000) Subject: net: tracepoint: exposing sk_family in all tcp:tracepoints X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=3dd344ea84e122f791ab55498aab985535f32cba;p=uclinux-h8%2Flinux.git net: tracepoint: exposing sk_family in all tcp:tracepoints Similar to sock:inet_sock_set_state tracepoint, expose sk_family to distinguish AF_INET and AF_INET6 families. The following tcp tracepoints are updated: tcp:tcp_destroy_sock tcp:tcp_rcv_space_adjust tcp:tcp_retransmit_skb tcp:tcp_send_reset tcp:tcp_receive_reset tcp:tcp_retransmit_synack tcp:tcp_probe Signed-off-by: Hariharan Ananthakrishnan Signed-off-by: Brendan Gregg Link: https://lore.kernel.org/r/20210129001210.344438-1-hari@netflix.com Signed-off-by: Jakub Kicinski --- diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h index cf97f6339acb..ba94857eea11 100644 --- a/include/trace/events/tcp.h +++ b/include/trace/events/tcp.h @@ -59,6 +59,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk_skb, __field(int, state) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __array(__u8, saddr, 4) __array(__u8, daddr, 4) __array(__u8, saddr_v6, 16) @@ -75,6 +76,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk_skb, __entry->sport = ntohs(inet->inet_sport); __entry->dport = ntohs(inet->inet_dport); + __entry->family = sk->sk_family; p32 = (__be32 *) __entry->saddr; *p32 = inet->inet_saddr; @@ -86,7 +88,8 @@ DECLARE_EVENT_CLASS(tcp_event_sk_skb, sk->sk_v6_rcv_saddr, sk->sk_v6_daddr); ), - TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c state=%s", + TP_printk("family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c state=%s", + show_family_name(__entry->family), __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, __entry->saddr_v6, __entry->daddr_v6, show_tcp_state_name(__entry->state)) @@ -125,6 +128,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk, __field(const void *, skaddr) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __array(__u8, saddr, 4) __array(__u8, daddr, 4) __array(__u8, saddr_v6, 16) @@ -140,6 +144,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk, __entry->sport = ntohs(inet->inet_sport); __entry->dport = ntohs(inet->inet_dport); + __entry->family = sk->sk_family; p32 = (__be32 *) __entry->saddr; *p32 = inet->inet_saddr; @@ -153,7 +158,8 @@ DECLARE_EVENT_CLASS(tcp_event_sk, __entry->sock_cookie = sock_gen_cookie(sk); ), - TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c sock_cookie=%llx", + TP_printk("family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c sock_cookie=%llx", + show_family_name(__entry->family), __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, __entry->saddr_v6, __entry->daddr_v6, @@ -192,6 +198,7 @@ TRACE_EVENT(tcp_retransmit_synack, __field(const void *, req) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __array(__u8, saddr, 4) __array(__u8, daddr, 4) __array(__u8, saddr_v6, 16) @@ -207,6 +214,7 @@ TRACE_EVENT(tcp_retransmit_synack, __entry->sport = ireq->ir_num; __entry->dport = ntohs(ireq->ir_rmt_port); + __entry->family = sk->sk_family; p32 = (__be32 *) __entry->saddr; *p32 = ireq->ir_loc_addr; @@ -218,7 +226,8 @@ TRACE_EVENT(tcp_retransmit_synack, ireq->ir_v6_loc_addr, ireq->ir_v6_rmt_addr); ), - TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c", + TP_printk("family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c", + show_family_name(__entry->family), __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, __entry->saddr_v6, __entry->daddr_v6) @@ -238,6 +247,7 @@ TRACE_EVENT(tcp_probe, __array(__u8, daddr, sizeof(struct sockaddr_in6)) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __field(__u32, mark) __field(__u16, data_len) __field(__u32, snd_nxt) @@ -264,6 +274,7 @@ TRACE_EVENT(tcp_probe, __entry->sport = ntohs(inet->inet_sport); __entry->dport = ntohs(inet->inet_dport); __entry->mark = skb->mark; + __entry->family = sk->sk_family; __entry->data_len = skb->len - __tcp_hdrlen(th); __entry->snd_nxt = tp->snd_nxt; @@ -276,7 +287,8 @@ TRACE_EVENT(tcp_probe, __entry->sock_cookie = sock_gen_cookie(sk); ), - TP_printk("src=%pISpc dest=%pISpc mark=%#x data_len=%d snd_nxt=%#x snd_una=%#x snd_cwnd=%u ssthresh=%u snd_wnd=%u srtt=%u rcv_wnd=%u sock_cookie=%llx", + TP_printk("family=%s src=%pISpc dest=%pISpc mark=%#x data_len=%d snd_nxt=%#x snd_una=%#x snd_cwnd=%u ssthresh=%u snd_wnd=%u srtt=%u rcv_wnd=%u sock_cookie=%llx", + show_family_name(__entry->family), __entry->saddr, __entry->daddr, __entry->mark, __entry->data_len, __entry->snd_nxt, __entry->snd_una, __entry->snd_cwnd, __entry->ssthresh, __entry->snd_wnd,