linux-kernel - Re: [PATCH] Bluetooth node manager causes up to ~3.25s delay in freezing tasks.

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Message-Id: <1228821843.19553.3.camel@violet.holtmann.net>
Date:	Tue, 09 Dec 2008 12:24:03 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Nigel Cunningham <ncunningham@...a.org.au>
Cc:	linux-bluetooth@...r.kernel.org,
	linux-pm <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Bluetooth node manager causes up to ~3.25s delay in
 freezing tasks.

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 :)

Regards

Marcel


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