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

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Date:	Tue, 09 Dec 2008 22:37:15 +1100
From:	Nigel Cunningham <ncunningham@...a.org.au>
To:	Marcel Holtmann <marcel@...tmann.org>
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.

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

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