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Date: Mon, 30 Aug 2004 01:02:26 -0400 (EDT)
From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: Anton Blanchard <anton@samba.org>, John Levon <levon@movementarian.org>,
       Philippe Elie <phil.el@wanadoo.fr>
Subject: Re: [PATCH][1/3] Completely out of line spinlocks / generic
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On Mon, 30 Aug 2004, Zwane Mwaikambo wrote:

> Index: linux-2.6.9-rc1-mm1/drivers/oprofile/timer_int.c
> ===================================================================
> RCS file: /home/cvsroot/linux-2.6.9-rc1-mm1/drivers/oprofile/timer_int.c,v
> retrieving revision 1.1.1.1
> diff -u -p -B -r1.1.1.1 timer_int.c
> --- linux-2.6.9-rc1-mm1/drivers/oprofile/timer_int.c	26 Aug 2004 13:13:41 -0000	1.1.1.1
> +++ linux-2.6.9-rc1-mm1/drivers/oprofile/timer_int.c	28 Aug 2004 20:00:47 -0000
> @@ -19,7 +19,7 @@ static int timer_notify(struct notifier_
>  {
>  	struct pt_regs * regs = (struct pt_regs *)data;
>  	int cpu = smp_processor_id();
> -	unsigned long eip = instruction_pointer(regs);
> +	unsigned long eip = profile_pc(regs);
>
>  	oprofile_add_sample(eip, !user_mode(regs), 0, cpu);
>  	return 0;

Looking at the PPC oprofile code, how does contention get reported?
get_pc() looks like it may be returning _raw_spin_*