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Diffstat (limited to 'include/trace/events/sock.h')
-rw-r--r--include/trace/events/sock.h264
1 files changed, 254 insertions, 10 deletions
diff --git a/include/trace/events/sock.h b/include/trace/events/sock.h
index 779abb91df81..b5310439536e 100644
--- a/include/trace/events/sock.h
+++ b/include/trace/events/sock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sock
@@ -5,7 +6,67 @@
#define _TRACE_SOCK_H
#include <net/sock.h>
+#include <net/ipv6.h>
#include <linux/tracepoint.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <trace/events/net_probe_common.h>
+
+#define family_names \
+ EM(AF_INET) \
+ EMe(AF_INET6)
+
+/* The protocol traced by inet_sock_set_state */
+#define inet_protocol_names \
+ EM(IPPROTO_TCP) \
+ EM(IPPROTO_SCTP) \
+ EMe(IPPROTO_MPTCP)
+
+#define tcp_state_names \
+ EM(TCP_ESTABLISHED) \
+ EM(TCP_SYN_SENT) \
+ EM(TCP_SYN_RECV) \
+ EM(TCP_FIN_WAIT1) \
+ EM(TCP_FIN_WAIT2) \
+ EM(TCP_TIME_WAIT) \
+ EM(TCP_CLOSE) \
+ EM(TCP_CLOSE_WAIT) \
+ EM(TCP_LAST_ACK) \
+ EM(TCP_LISTEN) \
+ EM(TCP_CLOSING) \
+ EMe(TCP_NEW_SYN_RECV)
+
+#define skmem_kind_names \
+ EM(SK_MEM_SEND) \
+ EMe(SK_MEM_RECV)
+
+/* enums need to be exported to user space */
+#undef EM
+#undef EMe
+#define EM(a) TRACE_DEFINE_ENUM(a);
+#define EMe(a) TRACE_DEFINE_ENUM(a);
+
+family_names
+inet_protocol_names
+tcp_state_names
+skmem_kind_names
+
+#undef EM
+#undef EMe
+#define EM(a) { a, #a },
+#define EMe(a) { a, #a }
+
+#define show_family_name(val) \
+ __print_symbolic(val, family_names)
+
+#define show_inet_protocol_name(val) \
+ __print_symbolic(val, inet_protocol_names)
+
+#define show_tcp_state_name(val) \
+ __print_symbolic(val, tcp_state_names)
+
+#define show_skmem_kind_names(val) \
+ __print_symbolic(val, skmem_kind_names)
TRACE_EVENT(sock_rcvqueue_full,
@@ -22,7 +83,7 @@ TRACE_EVENT(sock_rcvqueue_full,
TP_fast_assign(
__entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
__entry->truesize = skb->truesize;
- __entry->sk_rcvbuf = sk->sk_rcvbuf;
+ __entry->sk_rcvbuf = READ_ONCE(sk->sk_rcvbuf);
),
TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
@@ -31,37 +92,220 @@ TRACE_EVENT(sock_rcvqueue_full,
TRACE_EVENT(sock_exceed_buf_limit,
- TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
+ TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
- TP_ARGS(sk, prot, allocated),
+ TP_ARGS(sk, prot, allocated, kind),
TP_STRUCT__entry(
__array(char, name, 32)
- __field(long *, sysctl_mem)
+ __array(long, sysctl_mem, 3)
__field(long, allocated)
__field(int, sysctl_rmem)
__field(int, rmem_alloc)
+ __field(int, sysctl_wmem)
+ __field(int, wmem_alloc)
+ __field(int, wmem_queued)
+ __field(int, kind)
),
TP_fast_assign(
- strncpy(__entry->name, prot->name, 32);
- __entry->sysctl_mem = prot->sysctl_mem;
+ strscpy(__entry->name, prot->name, 32);
+ __entry->sysctl_mem[0] = READ_ONCE(prot->sysctl_mem[0]);
+ __entry->sysctl_mem[1] = READ_ONCE(prot->sysctl_mem[1]);
+ __entry->sysctl_mem[2] = READ_ONCE(prot->sysctl_mem[2]);
__entry->allocated = allocated;
- __entry->sysctl_rmem = prot->sysctl_rmem[0];
+ __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
__entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
+ __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
+ __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
+ __entry->wmem_queued = READ_ONCE(sk->sk_wmem_queued);
+ __entry->kind = kind;
),
- TP_printk("proto:%s sysctl_mem=%ld,%ld,%ld allocated=%ld "
- "sysctl_rmem=%d rmem_alloc=%d",
+ TP_printk("proto:%s sysctl_mem=%ld,%ld,%ld allocated=%ld sysctl_rmem=%d rmem_alloc=%d sysctl_wmem=%d wmem_alloc=%d wmem_queued=%d kind=%s",
__entry->name,
__entry->sysctl_mem[0],
__entry->sysctl_mem[1],
__entry->sysctl_mem[2],
__entry->allocated,
__entry->sysctl_rmem,
- __entry->rmem_alloc)
+ __entry->rmem_alloc,
+ __entry->sysctl_wmem,
+ __entry->wmem_alloc,
+ __entry->wmem_queued,
+ show_skmem_kind_names(__entry->kind)
+ )
);
+TRACE_EVENT(inet_sock_set_state,
+
+ TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
+
+ TP_ARGS(sk, oldstate, newstate),
+
+ TP_STRUCT__entry(
+ __field(const void *, skaddr)
+ __field(int, oldstate)
+ __field(int, newstate)
+ __field(__u16, sport)
+ __field(__u16, dport)
+ __field(__u16, family)
+ __field(__u16, protocol)
+ __array(__u8, saddr, 4)
+ __array(__u8, daddr, 4)
+ __array(__u8, saddr_v6, 16)
+ __array(__u8, daddr_v6, 16)
+ ),
+
+ TP_fast_assign(
+ const struct inet_sock *inet = inet_sk(sk);
+ __be32 *p32;
+
+ __entry->skaddr = sk;
+ __entry->oldstate = oldstate;
+ __entry->newstate = newstate;
+
+ __entry->family = sk->sk_family;
+ __entry->protocol = sk->sk_protocol;
+ __entry->sport = ntohs(inet->inet_sport);
+ __entry->dport = ntohs(inet->inet_dport);
+
+ p32 = (__be32 *) __entry->saddr;
+ *p32 = inet->inet_saddr;
+
+ p32 = (__be32 *) __entry->daddr;
+ *p32 = inet->inet_daddr;
+
+ TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
+ sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
+ ),
+
+ TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
+ show_family_name(__entry->family),
+ show_inet_protocol_name(__entry->protocol),
+ __entry->sport, __entry->dport,
+ __entry->saddr, __entry->daddr,
+ __entry->saddr_v6, __entry->daddr_v6,
+ show_tcp_state_name(__entry->oldstate),
+ show_tcp_state_name(__entry->newstate))
+);
+
+TRACE_EVENT(inet_sk_error_report,
+
+ TP_PROTO(const struct sock *sk),
+
+ TP_ARGS(sk),
+
+ TP_STRUCT__entry(
+ __field(int, error)
+ __field(__u16, sport)
+ __field(__u16, dport)
+ __field(__u16, family)
+ __field(__u16, protocol)
+ __array(__u8, saddr, 4)
+ __array(__u8, daddr, 4)
+ __array(__u8, saddr_v6, 16)
+ __array(__u8, daddr_v6, 16)
+ ),
+
+ TP_fast_assign(
+ const struct inet_sock *inet = inet_sk(sk);
+ __be32 *p32;
+
+ __entry->error = sk->sk_err;
+ __entry->family = sk->sk_family;
+ __entry->protocol = sk->sk_protocol;
+ __entry->sport = ntohs(inet->inet_sport);
+ __entry->dport = ntohs(inet->inet_dport);
+
+ p32 = (__be32 *) __entry->saddr;
+ *p32 = inet->inet_saddr;
+
+ p32 = (__be32 *) __entry->daddr;
+ *p32 = inet->inet_daddr;
+
+ TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
+ sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
+ ),
+
+ TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c error=%d",
+ show_family_name(__entry->family),
+ show_inet_protocol_name(__entry->protocol),
+ __entry->sport, __entry->dport,
+ __entry->saddr, __entry->daddr,
+ __entry->saddr_v6, __entry->daddr_v6,
+ __entry->error)
+);
+
+TRACE_EVENT(sk_data_ready,
+
+ TP_PROTO(const struct sock *sk),
+
+ TP_ARGS(sk),
+
+ TP_STRUCT__entry(
+ __field(const void *, skaddr)
+ __field(__u16, family)
+ __field(__u16, protocol)
+ __field(unsigned long, ip)
+ ),
+
+ TP_fast_assign(
+ __entry->skaddr = sk;
+ __entry->family = sk->sk_family;
+ __entry->protocol = sk->sk_protocol;
+ __entry->ip = _RET_IP_;
+ ),
+
+ TP_printk("family=%u protocol=%u func=%ps",
+ __entry->family, __entry->protocol, (void *)__entry->ip)
+);
+
+/*
+ * sock send/recv msg length
+ */
+DECLARE_EVENT_CLASS(sock_msg_length,
+
+ TP_PROTO(struct sock *sk, int ret, int flags),
+
+ TP_ARGS(sk, ret, flags),
+
+ TP_STRUCT__entry(
+ __field(void *, sk)
+ __field(__u16, family)
+ __field(__u16, protocol)
+ __field(int, ret)
+ __field(int, flags)
+ ),
+
+ TP_fast_assign(
+ __entry->sk = sk;
+ __entry->family = sk->sk_family;
+ __entry->protocol = sk->sk_protocol;
+ __entry->ret = ret;
+ __entry->flags = flags;
+ ),
+
+ TP_printk("sk address = %p, family = %s protocol = %s, length = %d, error = %d, flags = 0x%x",
+ __entry->sk, show_family_name(__entry->family),
+ show_inet_protocol_name(__entry->protocol),
+ !(__entry->flags & MSG_PEEK) ?
+ (__entry->ret > 0 ? __entry->ret : 0) : 0,
+ __entry->ret < 0 ? __entry->ret : 0,
+ __entry->flags)
+);
+
+DEFINE_EVENT(sock_msg_length, sock_send_length,
+ TP_PROTO(struct sock *sk, int ret, int flags),
+
+ TP_ARGS(sk, ret, flags)
+);
+
+DEFINE_EVENT(sock_msg_length, sock_recv_length,
+ TP_PROTO(struct sock *sk, int ret, int flags),
+
+ TP_ARGS(sk, ret, flags)
+);
#endif /* _TRACE_SOCK_H */
/* This part must be outside protection */
generated by cgit (git 2.34.1) at 2025-12-26 06:15:00 +0000