netdev - Re: [PATCH net-next v3 0/2] socket statistics for ss

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Message-ID: <20180509082209.38fa4f43@xeon-e3>
Date:   Wed, 9 May 2018 08:22:09 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     davem@...emloft.net, gerrit@....abdn.ac.uk, kuznet@....inr.ac.ru,
        yoshfuji@...ux-ipv6.org
Cc:     netdev@...r.kernel.org, dccp@...r.kernel.org,
        Stephen Hemminger <sthemmin@...rosoft.com>
Subject: Re: [PATCH net-next v3 0/2] socket statistics for ss

On Mon,  7 May 2018 11:43:31 -0700
Stephen Hemminger <stephen@...workplumber.org> wrote:

> The eventual goal is to remove all accesses to slab statistics
> by iproute2 ss command. This are preliminary steps to add two
> statistics which are not working now, because of slab merging
> and changes that were done years ago to allow for common inet_hash
> tables.
> 
> Stephen Hemminger (2):
>   inet: add bound ports statistic
>   socket: keep track of the number of sockets allocated
> 
> v3
>   - fix build :-(
>   - add allocated sockets statistic
> 
>  include/net/inet_hashtables.h    |  3 +++
>  include/net/inet_timewait_sock.h |  2 ++
>  net/dccp/proto.c                 |  1 +
>  net/ipv4/inet_hashtables.c       | 22 +++++++++++++++++++---
>  net/ipv4/inet_timewait_sock.c    |  8 +++++---
>  net/ipv4/proc.c                  |  5 +++--
>  net/ipv4/tcp.c                   |  1 +
>  net/socket.c                     | 21 +++++++++++++++++++--
>  8 files changed, 53 insertions(+), 10 deletions(-)
> 

I am not sure if these patches are worth applying.
The 'ss -s' command has had missing values since 2.4 kernel.
And the first complaints came in only this year.

Another alternative would be just to remove these fields from ss -s
output and move on.