Brayan,
Yes you need stats { socket-name <file> }
Or something like it. (Out running)
Ole
> On 17 Sep 2018, at 13:49, brayan ortega <[email protected]> wrote:
>
> 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 <[email protected]> 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 <[email protected]> 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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