netdev - [PATCH net-next v2 0/2] tcp: add two missing addresses when using trace

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Message-Id: <20240304092934.76698-1-kerneljasonxing@gmail.com>
Date: Mon,  4 Mar 2024 17:29:32 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: edumazet@...gle.com,
	mhiramat@...nel.org,
	mathieu.desnoyers@...icios.com,
	rostedt@...dmis.org,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: netdev@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	kerneljasonxing@...il.com,
	Jason Xing <kernelxing@...cent.com>
Subject: [PATCH net-next v2 0/2] tcp: add two missing addresses when using trace

From: Jason Xing <kernelxing@...cent.com>

When I reviewed other people's patch [1], I noticed that similar things
also happen in tcp_event_skb class and tcp_event_sk_skb class. They
don't print those two addrs of skb/sk which already exist.

In this patch, I just do as other trace functions do, like
trace_net_dev_start_xmit(), to know the exact flow or skb we would like
to know in case some systems doesn't support BPF programs well or we
have to use /sys/kernel/debug/tracing only for some reasons.

[1]
Link: https://lore.kernel.org/netdev/CAL+tcoAhvFhXdr1WQU8mv_6ZX5nOoNpbOLAB6=C+DB-qXQ11Ew@mail.gmail.com/

v2
Link: https://lore.kernel.org/netdev/CANn89iJcScraKAUk1GzZFoOO20RtC9iXpiJ4LSOWT5RUAC_QQA@mail.gmail.com/
1. change the description.

Jason Xing (2):
  tcp: add tracing of skb/skaddr in tcp_event_sk_skb class
  tcp: add tracing of skbaddr in tcp_event_skb class

 include/trace/events/tcp.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

-- 
2.37.3