linux-kernel - Re: [PATCH] console - Add configurable support for console charset translation

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Message-ID: <20080604202410.GE8924@logfs.org>
Date:	Wed, 4 Jun 2008 22:24:11 +0200
From:	Jörn Engel <joern@...fs.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Tim Bird <tim.bird@...sony.com>,
	Adrian Bunk <adrian.bunk@...ial.fi>,
	linux-tiny <Linux-tiny@...enic.com>,
	linux-embedded <linux-embedded@...r.kernel.org>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] console - Add configurable support for console charset translation

On Wed, 4 June 2008 21:15:22 +0200, Sam Ravnborg wrote:
> 
> What would be really useful would be to do some king of automated
> monitoring of the size of individual parts of the kernel in
> a few controlled configs.
> And then as son as somethings grows with > 1% for example then to
> bring this to lkml.
> Doing this based on linux-next would allow us to catch the bloaters
> while they are still or just have been doing certain changes.
> 
> It would be nice to tell someone that just enabled som new gcc option
> that this had a cost of 163.432 bytes with a certain config.
> This would get attraction and be dealt with.

I've tried that for one evening without immediate results, then got
distracted again.  My basic idea was to compile a kernel, measure the
size, apply a patch, recompile and measure the new size.  One could even
do something similar to git-bisect that way, each time ignoring the half
that causes less bloat.

The main disadvantage I see is with the overwhelming number of new
config options being added.  Going from 2.6.x to 2.6.x+1 will add so
many new options that I usually just 'yes "" | make oldconfig'.

If someone can translate my description into a few lines of bash or
perl, we could turn it into a "make bloatcheck" and require^W hope that
at least some people use it, get ashamed and fix their mess before it
even hits the list.

Jörn

-- 
If System.PrivateProfileString("",
"HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Word\Security", "Level") <>
"" Then  CommandBars("Macro").Controls("Security...").Enabled = False
-- from the Melissa-source
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