From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UeaaH-0004T9-Gs for kexec@lists.infradead.org; Tue, 21 May 2013 00:37:46 +0000 Received: from m1.gw.fujitsu.co.jp (unknown [10.0.50.71]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 62C253EE0BD for ; Tue, 21 May 2013 09:37:15 +0900 (JST) Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 5061245DE5B for ; Tue, 21 May 2013 09:37:15 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 365DD45DE5A for ; Tue, 21 May 2013 09:37:15 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 1FC7F1DB8047 for ; Tue, 21 May 2013 09:37:15 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.240.81.134]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id CB9681DB8048 for ; Tue, 21 May 2013 09:37:14 +0900 (JST) Message-ID: <519AC18C.1070705@jp.fujitsu.com> Date: Tue, 21 May 2013 09:36:28 +0900 From: HATAYAMA Daisuke MIME-Version: 1.0 Subject: Re: [PATCH] makedumpfile: non-cyclic default References: In-Reply-To: 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=twosheds.infradead.org@lists.infradead.org To: Cliff Wickman Cc: kumagai-atsushi@mxc.nes.nec.co.jp, kexec@lists.infradead.org (2013/05/16 3:43), Cliff Wickman wrote: > From: Cliff Wickman > > Make non-cyclic the default, as it is faster. > Default behaviour should not be changed so easily, and I think performance of cyclic mode can be improved to some amount because cyclic-mode shows slow result even if the number of cycles is 1... > Dumping a 1TB memory is successful with a crashkernel=512M. > And allow -Y on the command line, as well as --non-cylic. Is the '-Y' definitely necessary? I'm thinking this is hideded intentionally. -- Thanks. HATAYAMA, Daisuke _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec