From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [59.151.112.132] (helo=heian.cn.fujitsu.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1acqpe-0005gS-DZ for kexec@lists.infradead.org; Mon, 07 Mar 2016 08:48:02 +0000 Message-ID: <56DD3FD6.6090505@cn.fujitsu.com> Date: Mon, 7 Mar 2016 16:46:14 +0800 From: =?UTF-8?B?Ilpob3UsIFdlbmppYW4v5ZGo5paH5YmRIg==?= MIME-Version: 1.0 Subject: Re: [PATCH v3] Improve the performance of --num-threads -d 31 References: <1457080544-16469-1-git-send-email-zhouwj-fnst@cn.fujitsu.com> <20160307070458.GA6016@dhcp-128-25.nay.redhat.com> <20160307083909.GA21811@dhcp-128-25.nay.redhat.com> In-Reply-To: <20160307083909.GA21811@dhcp-128-25.nay.redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Minoru Usui Cc: Minfei Huang , "kexec@lists.infradead.org" Hi, I did the performance test. v2 + Minoru's patch and v3 almost have the same performance in -d 31. -- Thanks Zhou On 03/07/2016 04:39 PM, Minfei Huang wrote: > On 03/07/16 at 08:16am, Minoru Usui wrote: >> Hi, Minfei >>>> >>>> Hi, Wenjian. >>>> >>>> Since your patch applied Minoru Usui's draft patch, I have vierified it. >>>> And it works well under 4T memory. >>>> >>>> applied makedumpfile with option -d 31 >>>> real 3m48.681s >>>> >>>> applied makedumpfile with option -d 31 --num-threads 32 >>>> real 3m3.533s >>>> >>>> original makedumpfile with option -d 31 >>>> real 3m57.163s >>>> >>>> Now with or without option --num-thread, it takes almost same time. >>> >>> Thank you for your test on big memory machine. >>> I am relieved to see your test results. >> >> I'm sorry, I may be misunderstood. >> Is above result is Zhou's v3 patch or v2 + my patch? > > I have applied Zhou's v3 patch. > >> >> If above result is Zhou's v3 patch, could you test v2 + my patch? > > Your patch fails to be applied based on Zhou's v2 patch. There is a rej > file to be generated during applying. > > Thanks > Minfei > > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec