Hello everyone,
For VPP 20.05 the following works to extract /sys/vector_rate
statistics:
#!/usr/bin/python3
from vpp_papi.vpp_stats import VPPStats
stat = VPPStats("/run/vpp/stats.sock")
dir = stat.ls(['^/sys/vector_rate'])
counters = stat.dump(dir)
vector_rate=counters.get('/sys/vector_rate')
print("vector_rate = ", vector_rate)
Unfortunately, with VPP 20.09 the stat client crashes when doing that.
Seems like a problem introduced by https://gerrit.fd.io/r/c/vpp/+/28017
(stats: remove offsets on vpp side) and fixed in master by
https://gerrit.fd.io/r/c/vpp/+/29569 (stats: missing dimension in
stat_set_simple_counter).
I was hoping this could be fixed by cherry-picking the fix into the
stable/2009 branch which I tried here:
https://gerrit.fd.io/r/c/vpp/+/30161
However that does not pass the jenkins tests due to some problem
related to "vom" which was recently deprecated in the master branch,
that might explain why the fix works in master but not in stable/2009.
Still, the fix does work for me in stable/2009, maybe different
compiler version or other details matter and cause some of the jenkins
builds to fail.
How to get around this, to make the stat client work for stable/2009
also?
Best regards,
Elias
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