Date: Wed, 23 Jul 2014 20:28:02 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Andi Kleen <ak@linux.intel.com>, Andi Kleen <andi@firstfloor.org>,
        linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
        Dirk Gouders <dirk@gouders.net>, mmarek@suse.cz
Subject: Re: [PATCH 1/2] kbuild: Support split debug info v3
Message-ID: <20140723182802.GV18735@two.firstfloor.org>
References: <1405466172-17055-1-git-send-email-andi@firstfloor.org>
 <20140720190420.GA4630@ravnborg.org>
 <20140720211901.GQ5803@tassilo.jf.intel.com>
 <20140723180501.GA15749@ravnborg.org>
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User-Agent: Mutt/1.5.20 (2009-06-14)
Sender: linux-kernel-owner@vger.kernel.org

> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
> 
> The figures are from last run - but the other runs had compareable times.
> So in short I see a ~3 seconds speedup - out of 210 seconds.
> Thats less than I anticipated.

Thanks. How much smaller is it? 

Just saving disk space is a good thing.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.
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