Thanks Damjan. yes, correct, there were other jobs on the core too. after setting the CPU affinity to specific cores it is working fine.
Thanks, Abhilash On Wed, Nov 29, 2017 at 5:17 PM, Damjan Marion <[email protected]> wrote: > > Are you sure that kernel is not de-scheduling VPP and running something > else on the same core? > rx-miss happens typically when vpp is not able to service rx queue (either > because it is too busy or because kernel is not giving him opportunity to > do the job). > In this case I bet on second... > > On 29 Nov 2017, at 10:35, Abhilash Lakshmeshwar <[email protected]> > wrote: > > Hello, > > I am using Intel X710/XL710 (10G) , running with VPP 17.07 with line > rate of 1G 1500 bytes of packet size,using 1G huge page. i am observing Rx > misses on the interfaces. > > Initially i tried with default configuration with single core with > uio_driver as igb_uio and uio_pci_generic. I even tried with couple of CPU > parameters like skip-cores, increasing Rx queues for interface, but there > is no improvement. > > vpp# show int TenGigabitEthernet1/0/0 > > Name Idx State Counter > Count > > TenGigabitEthernet1/0/0 1 up rx > packets 1100478 > > > rx bytes 1646315088 > > > rx-miss 2842 > > below is my startup config. > > unix { > nodaemon > log /tmp/vpp.log > full-coredump > } > > api-trace { > on > } > > api-segment { > gid vpp > } > > dpdk { > dev 0000:01:00.0 > dev 0000:01:00.1 > dev 0000:01:00.2 > dev 0000:01:00.3 > > uio-driver uio_pci_generic > num-mbufs 16384 > } > > heapsize 3G > > Could you please let me know if i am missing anything ? > > Thanks, > Abhilash > _______________________________________________ > vpp-dev mailing list > [email protected] > https://lists.fd.io/mailman/listinfo/vpp-dev > > >
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