Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753856AbYLILgw (ORCPT ); Tue, 9 Dec 2008 06:36:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753035AbYLILgn (ORCPT ); Tue, 9 Dec 2008 06:36:43 -0500 Received: from mail.crca.org.au ([67.207.131.56]:44329 "EHLO crca.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752700AbYLILgm (ORCPT ); Tue, 9 Dec 2008 06:36:42 -0500 X-Bogosity: Ham, spamicity=0.000000 Subject: Re: [PATCH] Bluetooth node manager causes up to ~3.25s delay in freezing tasks. From: Nigel Cunningham To: Marcel Holtmann Cc: linux-bluetooth@vger.kernel.org, linux-pm , LKML In-Reply-To: <1228821843.19553.3.camel@violet.holtmann.net> References: <1228809311.6681.12.camel@nigel-laptop> <1228821843.19553.3.camel@violet.holtmann.net> Content-Type: text/plain Organization: Christian Reformed Churches of Australia Date: Tue, 09 Dec 2008 22:37:15 +1100 Message-Id: <1228822635.6681.19.camel@nigel-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1001 Lines: 27 Hi. On Tue, 2008-12-09 at 12:24 +0100, Marcel Holtmann wrote: > Hi Nigel, > > > The bluetooth nodemanager function "nodemgr_host_thread" contains a loop > > that calls try_to_freeze near the top of the loop, but then delays for > > up to 3.25 seconds (plus time to do work) before getting back to the top > > of the loop. When starting a cycle post-boot, this doesn't seem to bite, > > but it is causing a noticeable delay at boot time, when freezing > > processes prior to starting to read the image. > > I don't wanna disappoint you, but IEEE1394 is actually Firewire and not > Bluetooth :) Aww. Sorry. All these newfangled technologies confuse an old-timer like me. Oh, wait. I'm not even 40 yet. I'll try the right list this time, I hope! 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/