diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/socket.h | 2 | ||||
| -rw-r--r-- | include/trace/events/tcp.h | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h index c3322eb3d686..3b262487ec06 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -168,7 +168,7 @@ static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg); } -static inline size_t msg_data_left(struct msghdr *msg) +static inline size_t msg_data_left(const struct msghdr *msg) { return iov_iter_count(&msg->msg_iter); } diff --git a/include/trace/events/tcp.h b/include/trace/events/tcp.h index 1a40c41ff8c3..75d3d53a3832 100644 --- a/include/trace/events/tcp.h +++ b/include/trace/events/tcp.h @@ -259,6 +259,30 @@ TRACE_EVENT(tcp_retransmit_synack, __entry->saddr_v6, __entry->daddr_v6) ); +TRACE_EVENT(tcp_sendmsg_locked, + TP_PROTO(const struct sock *sk, const struct msghdr *msg, + const struct sk_buff *skb, int size_goal), + + TP_ARGS(sk, msg, skb, size_goal), + + TP_STRUCT__entry( + __field(const void *, skb_addr) + __field(int, skb_len) + __field(int, msg_left) + __field(int, size_goal) + ), + + TP_fast_assign( + __entry->skb_addr = skb; + __entry->skb_len = skb ? skb->len : 0; + __entry->msg_left = msg_data_left(msg); + __entry->size_goal = size_goal; + ), + + TP_printk("skb_addr %p skb_len %d msg_left %d size_goal %d", + __entry->skb_addr, __entry->skb_len, __entry->msg_left, + __entry->size_goal)); + DECLARE_TRACE(tcp_cwnd_reduction_tp, TP_PROTO(const struct sock *sk, int newly_acked_sacked, int newly_lost, int flag), |