netdev - Re: [PATCH iproute2-next] treewide: refactor help messages

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Date:   Fri, 17 May 2019 07:52:53 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Matteo Croce <mcroce@...hat.com>
Cc:     netdev@...r.kernel.org, David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH iproute2-next] treewide: refactor help messages

On Fri, 17 May 2019 15:38:28 +0200
Matteo Croce <mcroce@...hat.com> wrote:

> Every tool in the iproute2 package have one or more function to show
> an help message to the user. Some of these functions print the help
> line by line with a series of printf call, e.g. ip/xfrm_state.c does
> 60 fprintf calls.
> If we group all the calls to a single one and just concatenate strings,
> we save a lot of libc calls and thus object size. The size difference
> of the compiled binaries calculated with bloat-o-meter is:
> 
>         ip/ip:
>         add/remove: 0/0 grow/shrink: 5/15 up/down: 103/-4796 (-4693)
>         Total: Before=672591, After=667898, chg -0.70%
>         ip/rtmon:
>         add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-54 (-54)
>         Total: Before=48879, After=48825, chg -0.11%
>         tc/tc:
>         add/remove: 0/2 grow/shrink: 31/10 up/down: 882/-6133 (-5251)
>         Total: Before=351912, After=346661, chg -1.49%
>         bridge/bridge:
>         add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-459 (-459)
>         Total: Before=70502, After=70043, chg -0.65%
>         misc/lnstat:
>         add/remove: 0/1 grow/shrink: 1/0 up/down: 48/-486 (-438)
>         Total: Before=9960, After=9522, chg -4.40%
>         tipc/tipc:
>         add/remove: 0/0 grow/shrink: 1/1 up/down: 18/-62 (-44)
>         Total: Before=79182, After=79138, chg -0.06%
> 
> While at it, indent some strings which were starting at column 0,
> and use tabs where possible, to have a consistent style across helps.
> 
> Signed-off-by: Matteo Croce <mcroce@...hat.com>

Looks good thanks, I had been doing this bit by bit over time.