Messages in this thread | | | Date | Wed, 26 Sep 2018 20:07:36 -0700 (PDT) | Subject | Re: [PATCH v2 net-next] tcp: expose sk_state in tcp_retransmit_skb tracepoint | From | David Miller <> |
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From: Yafang Shao <laoar.shao@gmail.com> Date: Mon, 24 Sep 2018 20:57:29 +0800
> 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 <laoar.shao@gmail.com>
Applied.
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