I'm running dpdk test cases on Ubuntu 16.04 VM. xstats are not available inside VM. Following are the version of DPDK in Guest OS *DPDK version : 17.08* We are using *OVS version 2.6.1 *and *Intel Corporation Ethernet 10G 2P X520 Adapter card.*
On Thu, Sep 26, 2019 at 10:47 AM Stephen Hemminger < [email protected]> wrote: > On Thu, 26 Sep 2019 10:10:25 +0530 > Dheeraj Dang <[email protected]> wrote: > > > Hi, > > > > I am having a problem with packet loss and I hope you can help me out. > > When we increase the number of flows, PPM value must increase. I observed > > this behavior to some point, but after that PPM value reduces. Below you > > find the description of application, workload, and observations. > > > > *Application* > > I have a server-client application, a single server, and single client. > > Both machines are using multiple queues to send or receive packets. > > > > > > *Workload* > > I'm running dpdk with fixed PPS value i.e 2 Mpps. > > I'm increasing the number of flows to see the impact on PPM value. > > I'm changing UDP port range to generate the number of flows. > > > > > > *Observations* > > Target MPPS Flows PPM > > 2 2 100 > > 2 100 670 > > 2 1000 3136 > > 2 5000 265878 > > 2 10000 106316 > > *I was expecting PPM value to rise for 10K flows, but its value reduces.* > > Please share your suggestions. > > > > Regards > > Dheeraj Dang > > What DPDK version? What OS? What hardware? > Did you look at xstats in DPDK? >
