diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2021-04-16 15:38:07 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-16 17:10:40 -0700 |
| commit | d96a838a7ce2772ed181f89becd79b72d267f93a (patch) | |
| tree | 209d5665482d494efe1af6f934576edbba417b2f /include/trace | |
| parent | ed66bfb4ce34a94174bb755eeaca85d1661d36ad (diff) | |
mptcp: add tracepoint in subflow_check_data_avail
This patch added a tracepoint in subflow_check_data_avail() to show the
mapping status.
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mptcp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h index b90bfe45d995..775a46d0b0f0 100644 --- a/include/trace/events/mptcp.h +++ b/include/trace/events/mptcp.h @@ -7,6 +7,14 @@ #include <linux/tracepoint.h> +#define show_mapping_status(status) \ + __print_symbolic(status, \ + { 0, "MAPPING_OK" }, \ + { 1, "MAPPING_INVALID" }, \ + { 2, "MAPPING_EMPTY" }, \ + { 3, "MAPPING_DATA_FIN" }, \ + { 4, "MAPPING_DUMMY" }) + TRACE_EVENT(mptcp_subflow_get_send, TP_PROTO(struct mptcp_subflow_context *subflow), @@ -138,6 +146,27 @@ TRACE_EVENT(ack_update_msk, __entry->msk_wnd_end) ); +TRACE_EVENT(subflow_check_data_avail, + + TP_PROTO(__u8 status, struct sk_buff *skb), + + TP_ARGS(status, skb), + + TP_STRUCT__entry( + __field(u8, status) + __field(const void *, skb) + ), + + TP_fast_assign( + __entry->status = status; + __entry->skb = skb; + ), + + TP_printk("mapping_status=%s, skb=%p", + show_mapping_status(__entry->status), + __entry->skb) +); + #endif /* _TRACE_MPTCP_H */ /* This part must be outside protection */ |