2021-12-13 08:39:05

by Pierguido Lambri

[permalink] [raw]
Subject: [PATCH v2] SUNRPC: Add source address/port to rpc_socket* traces

The rpc_socket* traces now show also the source address
and port. An example is:

kworker/u17:1-951 [005] 134218.925343: rpc_socket_close:
socket:[46913] srcaddr=192.168.100.187:793 dstaddr=192.168.100.129:2049
state=4 (DISCONNECTING) sk_state=7 (CLOSE)
kworker/u17:0-242 [006] 134360.841370: rpc_socket_connect:
error=-115 socket:[56322] srcaddr=192.168.100.187:769
dstaddr=192.168.100.129:2049 state=2 (CONNECTING) sk_state=2 (SYN_SENT)
<idle>-0 [006] 134360.841859: rpc_socket_state_change: socket:[56322]
srcaddr=192.168.100.187:769 dstaddr=192.168.100.129:2049 state=2 (CONNECTING)
sk_state=1 (ESTABLISHED)

Signed-off-by: Pierguido Lambri <[email protected]>
---
include/trace/events/sunrpc.h | 52 +++++++++++++++++++++--------------
1 file changed, 32 insertions(+), 20 deletions(-)

diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 3a99358c262b..a6af347c935d 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -794,6 +794,9 @@ RPC_SHOW_SOCKET

RPC_SHOW_SOCK

+
+#include <trace/events/net_probe_common.h>
+
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
* that will be printed in the output.
@@ -816,27 +819,32 @@ DECLARE_EVENT_CLASS(xs_socket_event,
__field(unsigned int, socket_state)
__field(unsigned int, sock_state)
__field(unsigned long long, ino)
- __string(dstaddr,
- xprt->address_strings[RPC_DISPLAY_ADDR])
- __string(dstport,
- xprt->address_strings[RPC_DISPLAY_PORT])
+ __array(__u8, saddr, sizeof(struct sockaddr_in6))
+ __array(__u8, daddr, sizeof(struct sockaddr_in6))
),

TP_fast_assign(
struct inode *inode = SOCK_INODE(socket);
+ const struct sock *sk = socket->sk;
+ const struct inet_sock *inet = inet_sk(sk);
+
+ memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
+ memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
+
+ TP_STORE_ADDR_PORTS(__entry, inet, sk);
+
__entry->socket_state = socket->state;
__entry->sock_state = socket->sk->sk_state;
__entry->ino = (unsigned long long)inode->i_ino;
- __assign_str(dstaddr,
- xprt->address_strings[RPC_DISPLAY_ADDR]);
- __assign_str(dstport,
- xprt->address_strings[RPC_DISPLAY_PORT]);
+
),

TP_printk(
- "socket:[%llu] dstaddr=%s/%s "
+ "socket:[%llu] srcaddr=%pISpc dstaddr=%pISpc "
"state=%u (%s) sk_state=%u (%s)",
- __entry->ino, __get_str(dstaddr), __get_str(dstport),
+ __entry->ino,
+ __entry->saddr,
+ __entry->daddr,
__entry->socket_state,
rpc_show_socket_state(__entry->socket_state),
__entry->sock_state,
@@ -866,29 +874,33 @@ DECLARE_EVENT_CLASS(xs_socket_event_done,
__field(unsigned int, socket_state)
__field(unsigned int, sock_state)
__field(unsigned long long, ino)
- __string(dstaddr,
- xprt->address_strings[RPC_DISPLAY_ADDR])
- __string(dstport,
- xprt->address_strings[RPC_DISPLAY_PORT])
+ __array(__u8, saddr, sizeof(struct sockaddr_in6))
+ __array(__u8, daddr, sizeof(struct sockaddr_in6))
),

TP_fast_assign(
struct inode *inode = SOCK_INODE(socket);
+ const struct sock *sk = socket->sk;
+ const struct inet_sock *inet = inet_sk(sk);
+
+ memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
+ memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
+
+ TP_STORE_ADDR_PORTS(__entry, inet, sk);
+
__entry->socket_state = socket->state;
__entry->sock_state = socket->sk->sk_state;
__entry->ino = (unsigned long long)inode->i_ino;
__entry->error = error;
- __assign_str(dstaddr,
- xprt->address_strings[RPC_DISPLAY_ADDR]);
- __assign_str(dstport,
- xprt->address_strings[RPC_DISPLAY_PORT]);
),

TP_printk(
- "error=%d socket:[%llu] dstaddr=%s/%s "
+ "error=%d socket:[%llu] srcaddr=%pISpc dstaddr=%pISpc "
"state=%u (%s) sk_state=%u (%s)",
__entry->error,
- __entry->ino, __get_str(dstaddr), __get_str(dstport),
+ __entry->ino,
+ __entry->saddr,
+ __entry->daddr,
__entry->socket_state,
rpc_show_socket_state(__entry->socket_state),
__entry->sock_state,
--
2.33.1