From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.windriver.com ([147.11.1.11]) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1QtH6C-0008L9-LU for openembedded-core@lists.openembedded.org; Tue, 16 Aug 2011 12:42:21 +0200 Received: from ALA-HCA.corp.ad.wrs.com (ala-hca [147.11.189.40]) by mail.windriver.com (8.14.3/8.14.3) with ESMTP id p7GAbQ81015210 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Tue, 16 Aug 2011 03:37:26 -0700 (PDT) Received: from [128.224.162.219] (128.224.162.219) by ALA-HCA.corp.ad.wrs.com (147.11.189.50) with Microsoft SMTP Server id 14.1.255.0; Tue, 16 Aug 2011 03:37:26 -0700 Message-ID: <4E4A4864.5020801@windriver.com> Date: Tue, 16 Aug 2011 18:37:24 +0800 From: Robert Yang User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.18) Gecko/20110617 Lightning/1.0b2 Thunderbird/3.1.11 MIME-Version: 1.0 To: Paul Eggleton References: <4E450925.7060101@windriver.com> <1313418691.14274.591.camel@rex> <4E4A2CEE.9050401@windriver.com> <201108160956.02075.paul.eggleton@linux.intel.com> In-Reply-To: <201108160956.02075.paul.eggleton@linux.intel.com> Cc: Patches and discussions about the oe-core layer Subject: Re: [RFC] Performance Issue: Build time increases X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Patches and discussions about the oe-core layer List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Aug 2011 10:42:21 -0000 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit On 08/16/2011 04:56 PM, Paul Eggleton wrote: > On Tuesday 16 August 2011 09:40:14 Robert Yang wrote: >> Thanks for you reply, yes, one build one restart(bitbake core-image-sato, >> then restart the computer, and bitbake again) makes the build time stable. >> I'm doing this now. > > Are you using my scripts (scripts/contrib/test_build_time.sh) ? Much of the > initial part of the script is ensuring that caches get cleared out; thus > rebooting should not be necessary in order to get stable results. I'm sorry to say that I have tried it, but I don't know its principle, and it made my git repo have too many untracked or modified files. So I built it manually again:-) // Robert > > Cheers, > Paul >