From: Andi Kleen <andi@firstfloor.org>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Some love to default profiler
Date: 05 Jul 2007 00:39:38 +0200 [thread overview]
Message-ID: <p73fy433iad.fsf@bingen.suse.de> (raw)
In-Reply-To: <20070704213420.GA5864@martell.zuzino.mipt.ru>
Alexey Dobriyan <adobriyan@gmail.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
next prev parent reply other threads:[~2007-07-04 21:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-04 21:34 [PATCH] Some love to default profiler Alexey Dobriyan
2007-07-04 22:39 ` Andi Kleen [this message]
2007-07-04 23:50 ` Jesper Juhl
2007-07-05 10:16 ` Denis Vlasenko
2007-07-05 10:20 ` Robert P. J. Day
2007-07-06 21:18 ` Alexey Dobriyan
2007-07-08 18:51 ` Adrian Bunk
2007-07-08 18:53 ` Jesper Juhl
2007-07-10 12:43 ` Matt Mackall
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