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Tracing packets in the Linux kernel networking stack and friends
Tracing packets in the Linux networking stack & friends - retis-org/retis
Tracing (filtered) packets in the Linux networking stack, using eBPF probes and interfacing with control and data paths such as OvS or Netfilter. Retis aims at providing better visibility on complex single-host topologies and linking useful context. Collecting packet events going in and out network devices (similarly to well-known AF_PACKET existing utilities) can be as simple as:
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