Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753490AbZLZWDM (ORCPT ); Sat, 26 Dec 2009 17:03:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752215AbZLZWDL (ORCPT ); Sat, 26 Dec 2009 17:03:11 -0500 Received: from mail.crca.org.au ([67.207.131.56]:33656 "EHLO crca.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751427AbZLZWDK (ORCPT ); Sat, 26 Dec 2009 17:03:10 -0500 X-Bogosity: Ham, spamicity=0.000000 Message-ID: <4B36882D.5070002@crca.org.au> Date: Sun, 27 Dec 2009 09:03:25 +1100 From: Nigel Cunningham User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Jiri Slaby , Dmitry Torokhov , LKML , ACPI Devel Maling List , pm list , Linus Torvalds Subject: Re: [linux-pm] [RFC] Asynchronous suspend/resume - test results References: <200912210140.19713.rjw@sisk.pl> <200912242310.42615.rjw@sisk.pl> <4B35272D.7040207@crca.org.au> <200912262233.45626.rjw@sisk.pl> In-Reply-To: <200912262233.45626.rjw@sisk.pl> X-Enigmail-Version: 0.95.7 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 Content-Length: 1382 Lines: 42 Hi. Rafael J. Wysocki wrote: > Yes, it did. Please compare these lines: > > (from the "sync" dmesg): > [ 31.640676] PM: freeze of devices complete after 709.277 msecs > [ 37.087548] PM: restore of devices complete after 4973.508 msecs > > (from the "async" dmesg): > [ 25.600067] PM: freeze of devices complete after 620.429 msecs > [ 29.195366] PM: restore of devices complete after 3057.982 msecs > > So clearly, there's a difference. :-) Oh okay. It still feels like a long time. How do I find out which device took the longest? It looks to me like the patch is only recording when things start their restore, not when they finish. > Of course, in terms of total hibernate/restore time this is only a little > improvement, but if that was suspend to RAM and resume, the reduction of > the device resume time by almost 2 s would be a big deal. > >> I'll see if I can find the time to do the other computers, then. > > I'd appreciate that very much. I'm not sure I'll find the time now - it's Sunday morning here and we still have packing and so on to do after I take this morning's service. Sorry! Regards, Nigel -- 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/