Re: Average instruction length in x86-built kernel?

[David Weinehall <tao@acc.umu.se>]

On Sat, Jul 30, 2005 at 03:57:25PM -0400, Karim Yaghmour wrote:
[snip]
> # Remove non-instruction lines:
> sed /^[^c].*/d $2-dissassembled-kernel > $2-stage-1
> 
> # Remove empty lines:
> sed /^'\t'*$/d $2-stage-1 > $2-stage-2
> 
> # Remove function names:
> sed /^c[0-9,a-f]*' '\<.*\>:$/d $2-stage-2 > $2-stage-3
> 
> # Remove addresses:
> sed s/^c[0-9,a-f]*:'\t'// $2-stage-3 > $2-stage-4
> 
> # Remove instruction text:
> sed s/'\t'.*// $2-stage-4 > $2-stage-5
> 
> # Remove trailing whitespace:
> sed s/'\s'*$// $2-stage-5 > $2-stage-6

Uhm, you do know that sed allows you to execute several commands after
eachother, right?

sed -e 's/foo/bar/;s/baz/omph/'

That way you should be able to save a few stages.
Also, your script is, as far as I could see, a clean sh-script;
no need for /bin/bash; use /bin/sh instead.


Regards: David Weinehall
-- 
 /) David Weinehall <tao@acc.umu.se> /) Northern lights wander      (\
//  Maintainer of the v2.0 kernel   //  Dance across the winter sky //
\)  http://www.acc.umu.se/~tao/    (/   Full colour fire           (/
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