Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751505AbVLFACN (ORCPT ); Mon, 5 Dec 2005 19:02:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751506AbVLFACN (ORCPT ); Mon, 5 Dec 2005 19:02:13 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:65216 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1751505AbVLFACN (ORCPT ); Mon, 5 Dec 2005 19:02:13 -0500 Date: Tue, 6 Dec 2005 01:01:54 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Nigel Cunningham , Andy Isaacson , Linux Kernel Mailing List Subject: Re: swsusp performance problems in 2.6.15-rc3-mm1 Message-ID: <20051206000154.GD1770@elf.ucw.cz> References: <20051205081935.GI22168@hexapodia.org> <1133791084.3872.53.camel@laptop.cunninghams> <20051205172938.GC25114@atrey.karlin.mff.cuni.cz> <200512052344.01506.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200512052344.01506.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1463 Lines: 37 Hi! > > Yes, it is not completely fair. But as I started to use X32 with good > > battery... well I'm not really using swsusp any more. > > Unfortunately I can't make my box suspend to RAM ... :-( Yes, debugging suspend-to-RAM is hard, but it is not impossible. Try with minimal config (noapic, 32-bit kernel, ...) then add features. Hopefully minimum kernel will work... > > > > * compress the image. Needs to be done in userspace, so it needs > > > > uswsusp to be merged, first. Patches for that are available. Should > > > > speed it up about twice. > > Frankly, I would think that compression could be done in the kernel. Unfortunately cryptoapi only supports gzip compression, and that's useless for swsusp. (Slows it down, 10 times). And adding LZW to kernel just for swusp is wrong thing to do. > > If goal is "make it work with least effort", answer is of course > > suspend2; but I need someone to help me doing it right. > > Well, in the Andy's case this may or may not help. Actually I'd like him to try > and say what's the result, but only if he's so kind, has some free time > to was^H^H^Hdo this, etc. ;-) ~~~~~~~~~~~ I think I'm missing something here. Pavel -- Thanks, Sharp! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/