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Date:   Sun, 1 Jan 2023 11:09:45 -0800
From:   Cong Wang <xiyou.wangcong@gmail.com>
To:     Yunhui Cui <cuiyunhui@bytedance.com>
Cc:     edumazet@google.com, rostedt@goodmis.org, mhiramat@kernel.org,
        davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org,
        kuba@kernel.org, pabeni@redhat.com, duanxiongchun@bytedance.com,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-trace-kernel@vger.kernel.org
Subject: Re: [PATCH] tcp/udp: add tracepoint for send recv length
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References: <20221229080207.1029-1-cuiyunhui@bytedance.com>
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On Thu, Dec 29, 2022 at 04:02:07PM +0800, Yunhui Cui wrote:
> From: Xiongchun Duan <duanxiongchun@bytedance.com>
> 
> 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.