Re: [PATCH] tcp/udp: add tracepoint for send recv length

From: Cong Wang
Date: Sun Jan 01 2023 - 14:09:55 EST


On Thu, Dec 29, 2022 at 04:02:07PM +0800, Yunhui Cui wrote:
> From: Xiongchun Duan <duanxiongchun@xxxxxxxxxxxxx>
>
> Add a tracepoint for capturing TCP segments with
> a send or receive length. This makes it easy to obtain
> the packet sending and receiving information of each process
> in the user mode, such as the netatop tool.

You can obtain the same information with kretprobe:
https://www.gcardone.net/2020-07-31-per-process-bandwidth-monitoring-on-Linux-with-bpftrace/

Thanks.