api: add a policy_name field to kprobe, tracepoint and uprobe events #1574
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Fixes #1477, I had a few minutes and I decided to implement this. I tested it manually!
All the plumbing was actually done, it was only missing the faucet. The policy name was stored in the kprobe, tracepoint or uprobe tables entries. It's only for uprobe that we also needed to copy the policy name from the internal API event to the unix event. Then for all three, the missing piece was the copy from the unix event to the gRPC API event.
I decided on
policy_name
instead oftracing_policy_name
but we can discuss that...