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authorPeilin Ye <peilin.ye@bytedance.com>2023-01-20 03:45:16 +0300
committerDavid S. Miller <davem@davemloft.net>2023-01-23 14:26:50 +0300
commit40e0b09081420853542571c38875b48b60404ebb (patch)
treea0b4e5c2a78286d733182822265380551e5df51d /net/tipc/socket.c
parenta7b87d2a31dcff04ed81ef63355080bdaffa93c3 (diff)
downloadlinux-40e0b09081420853542571c38875b48b60404ebb.tar.xz
net/sock: Introduce trace_sk_data_ready()
As suggested by Cong, introduce a tracepoint for all ->sk_data_ready() callback implementations. For example: <...> iperf-609 [002] ..... 70.660425: sk_data_ready: family=2 protocol=6 func=sock_def_readable iperf-609 [002] ..... 70.660436: sk_data_ready: family=2 protocol=6 func=sock_def_readable <...> Suggested-by: Cong Wang <cong.wang@bytedance.com> Signed-off-by: Peilin Ye <peilin.ye@bytedance.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/socket.c')
-rw-r--r--net/tipc/socket.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index b35c8701876a..07c9bf5f7f5c 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -37,6 +37,7 @@
#include <linux/rhashtable.h>
#include <linux/sched/signal.h>
+#include <trace/events/sock.h>
#include "core.h"
#include "name_table.h"
@@ -2130,6 +2131,8 @@ static void tipc_data_ready(struct sock *sk)
{
struct socket_wq *wq;
+ trace_sk_data_ready(sk);
+
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
if (skwq_has_sleeper(wq))