On Mon, Apr 7, 2025 at 4:00 PM Jiayuan Chen <jiayuan.chen@xxxxxxxxx> wrote: > > PAWS is a long-standing issue, especially when there are upstream network > devices, making it more prone to occur. This sentence is quite confusing. I do not think PAWS is an issue at all. > > Currently, packet loss statistics for PAWS can only be viewed through MIB, > which is a global metric and cannot be precisely obtained through tracing > to get the specific 4-tuple of the dropped packet. In the past, we had to > use kprobe ret to retrieve relevant skb information from > tcp_timewait_state_process(). > > Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx> > Signed-off-by: Jiayuan Chen <jiayuan.chen@xxxxxxxxx> Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>