From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Breno Leitao <leitao@debian.org>,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
"David S. Miller" <davem@davemloft.net>,
David Ahern <dsahern@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
kuniyu@amazon.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, yonghong.song@linux.dev,
song@kernel.org, kernel-team@meta.com,
Breno Leitao <leitao@debian.org>
Subject: Re: [PATCH net-next] udp: Add tracepoint for udp_sendmsg()
Date: Wed, 16 Apr 2025 15:34:38 -0400 [thread overview]
Message-ID: <6800064ea440f_fc9d7294c4@willemb.c.googlers.com.notmuch> (raw)
In-Reply-To: <20250416-udp_sendmsg-v1-1-1a886b8733c2@debian.org>
Breno Leitao wrote:
> Add a lightweight tracepoint to monitor UDP send message operations,
> similar to the recently introduced tcp_sendmsg_locked() trace event in
> commit 0f08335ade712 ("trace: tcp: Add tracepoint for
> tcp_sendmsg_locked()")
>
> This implementation uses DECLARE_TRACE instead of TRACE_EVENT to avoid
> creating extensive trace event infrastructure and exporting to tracefs,
> keeping it minimal and efficient.
>
> Since this patch creates a rawtracepoint, it can be accessed using
> standard tracing tools like bpftrace:
>
> rawtracepoint:udp_sendmsg_tp {
> ...
> }
What does this enable beyond kfunc:udp_sendmsg?
The arguments are the same, unlike the TCP tracepoint.
next prev parent reply other threads:[~2025-04-16 19:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-16 19:23 [PATCH net-next] udp: Add tracepoint for udp_sendmsg() Breno Leitao
2025-04-16 19:34 ` Willem de Bruijn [this message]
2025-04-17 11:31 ` Breno Leitao
2025-04-17 13:38 ` Willem de Bruijn
2025-04-16 23:16 ` David Ahern
2025-04-17 11:42 ` Breno Leitao
2025-04-17 15:55 ` David Ahern
2025-04-17 16:00 ` Breno Leitao
2025-04-18 4:57 ` David Ahern
2025-04-18 12:33 ` Steven Rostedt
2025-04-18 14:47 ` Steven Rostedt
2025-04-17 6:57 ` Paolo Abeni
2025-04-17 11:34 ` Breno Leitao
2025-04-17 13:17 ` Paolo Abeni
2025-04-17 15:37 ` Song Liu
2025-04-17 15:48 ` Willem de Bruijn
2025-04-17 20:00 ` Song Liu
2025-04-18 14:49 ` Willem de Bruijn
2025-05-27 13:45 ` Breno Leitao
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