Messages in this thread | | | Subject | Re: [PATCH net-next] tcp: expose sk_state in tcp_retransmit_skb tracepoint | From | Eric Dumazet <> | Date | Sun, 23 Sep 2018 14:42:30 -0700 |
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On 09/23/2018 12:49 PM, Yafang Shao wrote: > With sk_state, we can know whether this connection is in SYN_SENT state > or ESTBLISHED state. > The reason to distinguish between these two scenario is that the > retransmission in ESTABLISHED state always mean network congestion while > in SYN_SENT state it always mean server issue, i.e. the syn packet is > dropped due to syn backlog queue full.
You mean, a packet drop on the remote peer ?
It could also be a packet drop in the network.
Your patch is good, but changelog is quite misleading.
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