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authorGeliang Tang <geliangtang@gmail.com>2021-04-16 15:38:06 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-16 17:10:40 -0700
commited66bfb4ce34a94174bb755eeaca85d1661d36ad (patch)
tree6b45ac5d605eeea25b9557c47b32748882286946 /include/trace/events/mptcp.h
parent0918e34b85c7e125f531caaf3d2918baf2b1a5f9 (diff)
mptcp: add tracepoint in ack_update_msk
This patch added a tracepoint in ack_update_msk() to track the incoming data_ack and window/snd_una updates. 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/events/mptcp.h')
-rw-r--r--include/trace/events/mptcp.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h
index ec20350d82eb..b90bfe45d995 100644
--- a/include/trace/events/mptcp.h
+++ b/include/trace/events/mptcp.h
@@ -106,6 +106,38 @@ DEFINE_EVENT(mptcp_dump_mpext, get_mapping_status,
TP_PROTO(struct mptcp_ext *mpext),
TP_ARGS(mpext));
+TRACE_EVENT(ack_update_msk,
+
+ TP_PROTO(u64 data_ack, u64 old_snd_una,
+ u64 new_snd_una, u64 new_wnd_end,
+ u64 msk_wnd_end),
+
+ TP_ARGS(data_ack, old_snd_una,
+ new_snd_una, new_wnd_end,
+ msk_wnd_end),
+
+ TP_STRUCT__entry(
+ __field(u64, data_ack)
+ __field(u64, old_snd_una)
+ __field(u64, new_snd_una)
+ __field(u64, new_wnd_end)
+ __field(u64, msk_wnd_end)
+ ),
+
+ TP_fast_assign(
+ __entry->data_ack = data_ack;
+ __entry->old_snd_una = old_snd_una;
+ __entry->new_snd_una = new_snd_una;
+ __entry->new_wnd_end = new_wnd_end;
+ __entry->msk_wnd_end = msk_wnd_end;
+ ),
+
+ TP_printk("data_ack=%llu old_snd_una=%llu new_snd_una=%llu new_wnd_end=%llu msk_wnd_end=%llu",
+ __entry->data_ack, __entry->old_snd_una,
+ __entry->new_snd_una, __entry->new_wnd_end,
+ __entry->msk_wnd_end)
+);
+
#endif /* _TRACE_MPTCP_H */
/* This part must be outside protection */