netdev - Re: [PATCH net] veth: Fix RX stats for bpf_redirect

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Message-ID: <20231030215124.GA1626574@n191-129-154.byted.org>
Date: Mon, 30 Oct 2023 21:51:27 +0000
From: Peilin Ye <yepeilin.cs@...il.com>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>,
	Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	Peilin Ye <peilin.ye@...edance.com>, netdev@...r.kernel.org,
	bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
	Cong Wang <cong.wang@...edance.com>,
	Jiang Wang <jiang.wang@...edance.com>,
	Youlun Zhang <zhangyoulun@...edance.com>
Subject: Re: [PATCH net] veth: Fix RX stats for bpf_redirect_peer() traffic

On Mon, Oct 30, 2023 at 03:19:26PM +0100, Daniel Borkmann wrote:
> OT: does cadvisor run inside the Pod to collect the device stats? Just
> curious how it gathers them.

Seems like it reads from /proc/$PID/net/dev:
https://github.com/google/cadvisor/blob/d19df4f3b8e73c7e807d4b9894c252b54852fa8a/container/libcontainer/handler.go#L461

Thanks,
Peilin Ye