linux-kernel - [PATCH linux-next v2] docs: proc.rst: add softnet

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Message-ID: <202212071923184146141@zte.com.cn>
Date:   Wed, 7 Dec 2022 19:23:18 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <corbet@....net>, <kuba@...nel.org>, <bagasdotme@...il.com>
Cc:     <davem@...emloft.net>, <hannes@...xchg.org>,
        <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
        <linux-doc@...r.kernel.org>
Subject: [PATCH linux-next v2] docs: proc.rst: add softnet_stat to /proc/net

From: Yang Yang <yang.yang29@....com.cn>

/proc/net/softnet_stat exists for a long time, but proc.rst miss it.
Softnet_stat shows some statistics of struct softnet_data of online
CPUs. Struct softnet_data manages incoming and output packets
on per-CPU queues. Notice that fastroute and cpu_collision in
softnet_stat are obsoleted, their value is always 0.

Signed-off-by: Yang Yang <yang.yang29@....com.cn>
Reviewed-by: xu xin <xu.xin16@....com.cn>
Reviewed-by: Zhang Yunkai <zhang.yunkai@....com.cn>
---
Changes since v1: - refine patch subject
---
 Documentation/filesystems/proc.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index e224b6d5b642..9d5fd9424e8b 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -1284,6 +1284,7 @@ support this. Table 1-9 lists the files and their meaning.
  rt_cache      Routing cache
  snmp          SNMP data
  sockstat      Socket statistics
+ softnet_stat  Per-CPU incoming packets queues statistics of online CPUs
  tcp           TCP  sockets
  udp           UDP sockets
  unix          UNIX domain sockets
-- 
2.15.2