linux-kernel - Re: [Bug #12650] Strange load average and ksoftirqd behavior with 2.6.29-rc2-git1

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Message-ID: <20090217061142.GA5316@localhost.localdomain>
Date:	Tue, 17 Feb 2009 07:11:42 +0100
From:	Damien Wyart <damien.wyart@...e.fr>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mike Galbraith <efault@....de>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #12650] Strange load average and ksoftirqd behavior with
	2.6.29-rc2-git1

* Paul E. McKenney <paulmck@...ux.vnet.ibm.com> [2009-02-16 14:39]:
> What is the easiest way for me to make it easy to trace the return path
> from __rcu_pending()?  Make each return path call an empty function
> located off where the compiler cannot see it, I guess...  Diagnostic
> patch along these lines below.  Frederic, Damien, could you please give
> it a go?  (And of course please let me know if something else is
> needed.)

As Frederic already sent a trace (made with another method), I'll
consider for now mine would not be very useful at this stage, so I'm
waiting for further instructions.

If you need further testing for me, do not hesitate to ask...

-- 
Damien
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