On 09/24/2018 05:57 AM, Yafang Shao wrote: > After sk_state exposed, we can get in which state this retransmission > occurs. That could give us more detail for dignostic. > For example, if this retransmission occurs in SYN_SENT state, it may > also indicates that the syn packet may be dropped on the remote peer due > to syn backlog queue full and then we could check the remote peer. > > BTW,SYNACK retransmission is traced in tcp_retransmit_synack tracepoint. > > Signed-off-by: Yafang Shao <[email protected]> Signed-off-by: Eric Dumazet <[email protected]>
