linux-kernel - [PATCH v3 net-next 0/5] replace tcp_set_state tracepoint with inet_sock_set

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Message-Id: <1513739574-3345-1-git-send-email-laoar.shao@gmail.com>
Date:   Wed, 20 Dec 2017 11:12:49 +0800
From:   Yafang Shao <laoar.shao@...il.com>
To:     songliubraving@...com, davem@...emloft.net,
        marcelo.leitner@...il.com, rostedt@...dmis.org
Cc:     bgregg@...flix.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH v3 net-next 0/5] replace tcp_set_state tracepoint with inet_sock_set_state

According to the discussion in the mail thread
https://patchwork.kernel.org/patch/10099243/,
tcp_set_state tracepoint is renamed to inet_sock_set_state tracepoint and is
moved to include/trace/events/sock.h.

With this new tracepoint, we can trace AF_INET/AF_INET6 sock state transitions.
As there's only one single tracepoint for inet, so I didn't create a new trace
file named trace/events/inet_sock.h, and just place it in
include/trace/events/sock.h

Currently TCP/DCCP/SCTP state transitions are traced with this tracepoint.

- Why not more protocol ?
If we really think that anonter protocol should be traced, I will modify the
code to trace it.
I just want to make the code easy and not output useless information.

Steven Rostedt (VMware) (1):
  tcp: Export to userspace the TCP state names for the trace events

Yafang Shao (4):
  net: tracepoint: replace tcp_set_state tracepoint with
    inet_sock_set_state tracepoint
  net: sock: replace sk_state_load with inet_sk_state_load and remove
     sk_state_store
  net: tracepoint: using sock_set_state tracepoint to trace DCCP state
    transition
  net: tracepoint: using sock_set_state tracepoint to trace SCTP state
    transition

 include/net/inet_sock.h         |  25 ++++++++++
 include/net/sock.h              |  25 ----------
 include/trace/events/sock.h     | 107 ++++++++++++++++++++++++++++++++++++++++
 include/trace/events/tcp.h      |  16 ------
 net/dccp/proto.c                |   2 +-
 net/ipv4/af_inet.c              |  14 ++++++
 net/ipv4/inet_connection_sock.c |   8 +--
 net/ipv4/inet_hashtables.c      |   2 +-
 net/ipv4/tcp.c                  |  10 ++--
 net/ipv4/tcp_diag.c             |   2 +-
 net/ipv4/tcp_ipv4.c             |   2 +-
 net/ipv6/tcp_ipv6.c             |   2 +-
 net/sctp/endpointola.c          |   2 +-
 net/sctp/sm_sideeffect.c        |   4 +-
 net/sctp/socket.c               |  12 ++---
 15 files changed, 167 insertions(+), 66 deletions(-)

--
1.8.3.1