Thanks for quick response, I tried latest vpp master version.
Does it necessary to change vpp startup.conf? I faced with following error:
socket_config: unknown host `vpp_stats'
Traceback (most recent call last):
File "/root/src/test.py", line 3, in <module>
stat = VPPStats('vpp_stats')
File "/usr/lib/python2.7/dist-packages/vpp_papi/vpp_stats.py", line 117,
in __init__
raise IOError()
IOError
Best Regards,
On Mon, Sep 17, 2018 at 3:30 PM Ole Troan <otr...@employees.org> wrote:
> Brayan,
>
> 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!
>
>
> Going in 18.10. I recommend latest master for now.
>
> Cheers
> Ole
>
>
>
> 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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