<snip>
> > 0x00005555561040e9 <+313>: kmovb %eax,%k4
> > 0x00005555561040ed <+317>: vpsrlq $0x4,%zmm0,%zmm2
> > 0x00005555561040f4 <+324>: vpandd %zmm3,%zmm0,%zmm0
> > 0x00005555561040fa <+330>: vpandd %zmm2,%zmm3,%zmm2
> > 0x0000555556104100 <+336>: vpshufb %zmm0,%zmm4,%zmm0
> > 0x0000555556104106 <+342>: vpshufb %zmm2,%zmm4,%zmm2
> > 0x000055555610410c <+348>: vpaddb %zmm2,%zmm0,%zmm0
> > 0x0000555556104112 <+354>: vpsadbw %zmm7,%zmm0,%zmm0
> > 0x0000555556104118 <+360>: vpaddq %zmm1,%zmm0,%zmm0
> > 0x000055555610411e <+366>: vmovdqa64 %zmm8,%zmm1
> > 0x0000555556104124 <+372>: vpgatherqq 0x18(%r9,%zmm0,8),%zmm1{%k3}
> > 0x000055555610412c <+380>: vpandq %zmm6,%zmm1,%zmm0{%k4}{z}
> >
> > Would you try some of the above and see can it be reproduced?
>
> btw, I saw every second ovs is doing reprobing
> 2020-05-20T14:15:15.113Z|00373|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:16.129Z|00374|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:17.138Z|00375|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:18.150Z|00376|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:19.170Z|00377|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:20.184Z|00378|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
> 2020-05-20T14:15:21.219Z|00379|dpif_netdev(pmd-c00/id:9)|INFO|reprobing
> sub func, 4 1
>
btw, looking at
ovs-appctl coverage/show, this counter is very high when enabling the avx512
handler_duplicate_upcall 459645.4/sec 434475.500/sec
17300.5372/sec total: 64120526
other counters look OK.
William
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