graymon

[Proposal] Don't attach cgroup hooks when no pname routing + nonzero so_mark_from_dae

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### Proposal Cgroup hooks are primarily used for pname-based routing (e.g., pname(NetworkManager) -> direct). If no pname-based routing rules are defined, there is little justification for attaching cgroup hooks. Another...

ringbuf: add zero-copy consumer APIs

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The current ringbuf consumer APIs Read/ReadInto always copy samples into a user-provided buffer, see https://github.com/cilium/ebpf/blob/v0.20.0/ringbuf/ring.go#L96. For callers that consume data synchronizely, this extra copy is unnecessary. This change adds a...