Hi Christian,
> It looks like the only access to stats though is from shared memory. I guess
> running vpp_get_stats with ssh is the way to fetch the counters in this case.
> It would be nice if there was an API in VPP that mimic'd the vpp_get_stats
> functionality though. Could even expose that to the CLI.
>
> I really just want the interface and error counts for now, was a little
> surprised there was no API for this (since it exists in the CLI).
That is on purpose.
The actual counters (and data structures) in VPP are exposed directly in the
shared memory stats segment.
That means that regardless of how often a client polls a counter, there is
little to no impact on VPP.
An API message or CLI has some cost on the VPP side though.
For exporting data out of the stats segment, I believe there is already quite a
few solutions.
There's the (naive) prometheus example in the repo, vpp_get_stats, there is a
Telegraf plugin, a simple gNMI/gRPC plugin.
Best regards,
Ole
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