Hi Ole, Which version of vpp python api does include this stats api? I tried it at vpp stable/1807, but there was no VPPStats module in it!
Best Regards, On Mon, Sep 17, 2018 at 11:45 AM Ole Troan <otr...@employees.org> wrote: > Brayan, > > > I would like to share my problem with you in order to find solution. > > As you can see in vppctl output file, "vppctl show hardware" command > result contains "rx broadcast packets" and "tx broadcast packets". However, > when I used vpp python api to extract these stats, the value of > VNET_INTERFACE_COUNTER_RX_BROADCAST and VNET_INTERFACE_COUNTER_TX_BROADCAST > are stuck on zero incorrectly. attached you can see my python script and > its output and vppctl command output. This behavior exists in multicast > stats. > > > > Best Regards, > > > > > > vppctl output: https://pastebin.com/zXrArE4b > > Python Script: https://pastebin.com/gDJbH1if > > Python Script output: https://pastebin.com/q4dJ8VMs > > Firstly these are not exactly the same counters. The first ones come > directly from DPDK I believe, and the VNET_INTERFACE_COUNTER ones are from > the stats_collect_rx_node, sitting as an input feature behind device-input. > I don’t know if they are different because the broadcasts are filtered out > before reaching VPP or if there is a better explanation, Damjan? > > With regards to Python and stats collection, or any stats collection in > general. I would encourage you to try out the new stats segment. > > In Python you basically do: > > from vpp_papi.vpp_stats import VPPStats > stat = VPPStats(<name-of-stats-socket) > dir = stat.ls(['^/if’]) # For all interface counters use “show statistics > segment” or vpp_get_stats ls to see all available counters > counters = stat.dump(dir) > > Then counters[‘/if/tx'][thread index][sw_if_index] will give you the TX > counter for a particular worker thread / software interface. > > Cheers, > Ole > > > >
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