netdev - Re: [PATCH iproute2-next] ip: promote missed packets to the -s row

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Message-ID: <0371023e-f46f-5dfd-6268-e11a18deeb06@gmail.com>
Date:   Fri, 18 Sep 2020 09:44:35 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     stephen@...workplumber.org, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-next] ip: promote missed packets to the -s row

On 9/16/20 1:42 PM, Jakub Kicinski wrote:
> missed_packet_errors are much more commonly reported:
> 
> linux$ git grep -c '[.>]rx_missed_errors ' -- drivers/ | wc -l
> 64
> linux$ git grep -c '[.>]rx_over_errors ' -- drivers/ | wc -l
> 37
> 
> Plus those drivers are generally more modern than those
> using rx_over_errors.
> 
> Since recently merged kernel documentation makes this
> preference official, let's make ip -s output more informative
> and let rx_missed_errors take the place of rx_over_errors.
> 
> Before:
> 
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
>     link/ether 00:0a:f7:c1:4d:38 brd ff:ff:ff:ff:ff:ff
>     RX: bytes  packets  errors  dropped overrun mcast
>     6.04T      4.67G    0       0       0       67.7M
>     RX errors: length   crc     frame   fifo    missed
>                0        0       0       0       7
>     TX: bytes  packets  errors  dropped carrier collsns
>     3.13T      2.76G    0       0       0       0
>     TX errors: aborted  fifo   window heartbeat transns
>                0        0       0       0       6
> 
> After:
> 
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
>     link/ether 00:0a:f7:c1:4d:38 brd ff:ff:ff:ff:ff:ff
>     RX: bytes  packets  errors  dropped missed  mcast
>     6.04T      4.67G    0       0       7       67.7M
>     RX errors: length   crc     frame   fifo    overrun
>                0        0       0       0       0
>     TX: bytes  packets  errors  dropped carrier collsns
>     3.13T      2.76G    0       0       0       0
>     TX errors: aborted  fifo   window heartbeat transns
>                0        0       0       0       6

changes to ip output are usually not allowed.