From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TEn1D-0008UI-6N for kexec@lists.infradead.org; Thu, 20 Sep 2012 20:06:40 +0000 Date: Thu, 20 Sep 2012 16:06:34 -0400 From: Vivek Goyal Subject: makedumpfile 1.5.0 takes much more time to dump Message-ID: <20120920200633.GL4681@redhat.com> MIME-Version: 1.0 Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Atsushi Kumagai Cc: Dave Young , Kexec Mailing List , chaowang@redhat.com Hi Atsushi san, We tried makedumpfile 1.5.0 on a 1TB machine and it seems to regress badly. We reserved 192MB of memory and following are test results. #1. makedumpfile-1.4.2 -E --message-level 1 -d 31 real 3m47.520s user 0m56.543s sys 2m41.631s #2. makedumpfile-1.5.0 -E --message-level 1 -d 31 real 52m25.262s user 32m51.310s sys 18m53.265s #3. makedumpfile-1.4.2 -c --message-level 1 -d 31 real 8m49.107s user 4m34.180s sys 4m8.691s #4. makedumpfile-1.5.0 -c --message-level 1 -d 31 real 46m48.985s user 29m35.203s sys 16m43.149s Thanks Vivek _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec