linux-kernel - Re: [PATCH] Some love to default profiler

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Message-ID: <p73fy433iad.fsf@bingen.suse.de>
Date:	05 Jul 2007 00:39:38 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Some love to default profiler

Alexey Dobriyan <adobriyan@...il.com> writes:

> 2) Put profile.c under CONFIG_PROFILING. You enabled profiling in config, you
>    will get it. Removes conditional branch from schedule(). Code savings on my
>    usual config:
> 
> 	   text	   data	    bss	    dec	    hex	filename
> 	2921871	 179895	 180224	3281990	 321446	vmlinux		before
> 	2920141	 179847	 180224	3280212	 320d54	vmlinux		after
> 	--------------------------------------------------------------
> 	  -1730     -48           -1778

I think it's better to keep it by default. 1.7k is not really all that much.

-Andi
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