From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754627Ab2I0PGd (ORCPT ); Thu, 27 Sep 2012 11:06:33 -0400 Received: from cantor2.suse.de ([195.135.220.15]:48032 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752533Ab2I0PGb (ORCPT ); Thu, 27 Sep 2012 11:06:31 -0400 Message-ID: <50646B70.5010100@suse.cz> Date: Thu, 27 Sep 2012 17:06:24 +0200 From: Michal Marek User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120825 Thunderbird/15.0 MIME-Version: 1.0 To: Fengguang Wu Cc: Andi Kleen , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [PATCH] Kbuild: use normal compression settings for tar*-pkg References: <1347133679-14641-1-git-send-email-andi@firstfloor.org> <20120911004633.GA21147@localhost> In-Reply-To: <20120911004633.GA21147@localhost> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11.9.2012 02:46, Fengguang Wu wrote: > On Sat, Sep 08, 2012 at 12:47:59PM -0700, Andi Kleen wrote: >> From: Andi Kleen >> >> For large kernel configurations (like a distribution kernel) >> targz-pkg takes a quite long time to just do the compression. >> I clocked it at 15+mins for a SUSE kernel like config on a fast >> system. And tarxz and bzip2 are even slower. >> >> The main reason is that the script that is doing the taring sets >> the highest compression level (-9). When I change it to just >> use the defaults the gzip time for the same kernel goes down >> to ~3 mins. I haven't tested xz and bzip, but I expect those >> to be much faster too. >> >> I'm not willing to wait that long for a small compression >> gain. So just change the script to use the defaults. > > Makes sense to me. > > Reviewed-by: Fengguang Wu Applied to kbuild.git#kbuild. Michal