On Sun, Aug 21, 2022 at 6:50 PM wangchuanlei <wangchuan...@inspur.com> wrote: > > Hi, > In datapath, we can see the all count of missed packets via cmd > "ovs-dpctl show", but we can not see the count of missed on every > interface. On my enviroment, i always encounter too many upcall > packets, which leads very high cpu usage of vswitchd. In that > circumstance, i do not know which kind of packet did this. Is there > a plan to develop a command to count this? > > Thanks! I am not aware of any such plans but I think you can enable debug logs to see some of the packets (before the debug log rate limit is hit). If you are using OVN and have LB VIPs defined, there is a chance that you hit a performance bug that would cause most short-lived flow packets going to slow-path. This is purely speculation without any details or evidences, but if you like to test, here is a fix (under review) for that OVN problem: https://patchwork.ozlabs.org/project/ovn/patch/20220824061730.2523979-1-hz...@ovn.org/
Thanks, Han
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