Re: [PATCH v2 01/21] lib/vsprintf: Print time and date in human readable format via %pt

[Andy Shevchenko]

On Wed, 2018-02-21 at 15:19 +0100, Geert Uytterhoeven wrote:
> On Wed, Feb 21, 2018 at 2:23 PM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> > On Wed, 2018-02-21 at 08:38 +0100, Rasmus Villemoes wrote:
> > > On 2018-02-21 00:55, Joe Perches wrote:

> > > Well, on the one hand, I like to reduce the size of the kernel
> > > when
> > > possible and ideally make all new functionality guarded by config
> > > options, but OTOH, how much does compiling out the datetime
> > > formatters
> > > really save?
> > 
> > https://lists.01.org/pipermail/kbuild-all/2017-June/034950.html
> > 
> > I understand that half a year time allows us to increase kernel text
> > size by 750+ bytes unconditionally.
> > 
> > I would really like to not use any option.
> 
> Agreed.
> 
> FTR, growth of my atari_defconfig kernel between v4.7 and v4.15:
> 
> add/remove: 351/155 grow/shrink: 691/429 up/down: 63095/-38665 (24430)
> add/remove: 394/156 grow/shrink: 595/709 up/down: 61173/-31092 (30081)
> add/remove: 1315/711 grow/shrink: 1269/442 up/down: 172871/-92075
> (80796)
> add/remove: 525/266 grow/shrink: 914/510 up/down: 116115/-46240
> (69875)
> add/remove: 443/222 grow/shrink: 906/456 up/down: 77807/-40657 (37150)
> add/remove: 536/296 grow/shrink: 1043/652 up/down: 97366/-65459
> (31907)
> add/remove: 413/176 grow/shrink: 711/479 up/down: 75678/-41356 (34322)
> add/remove: 311/145 grow/shrink: 898/438 up/down: 51655/-26851 (24804)

The concern was emitted from one who cares about tiny config, i.e.
i386_tiny_defconfig.

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy