From: Simon Horman <horms@verge.net.au>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 1/9] ia64: VIRT_CPU_ACCOUNTING (accurate cpu time accounting)
Date: Mon, 19 Nov 2007 04:34:43 +0000 [thread overview]
Message-ID: <20071119043441.GA1735@verge.net.au> (raw)
In-Reply-To: <4714BDC7.1070702@jp.fujitsu.com>
On Tue, Oct 16, 2007 at 10:33:59PM +0900, Hidetoshi Seto wrote:
> > [1/9] ia64_add_config_virt_cpu_accounting.patch
>
> The VIRT_CPU_ACCOUNTING option is already implemented s390
> and powerpc archs.
>
> By enabling this option, the arch can hook a function named
> account_system_vtime() to irq_enter(), irq_exit(), and
> head and tail of do_softirq().
>
> This patch just add the Kconfig option to ia64, and enable
> to hook ia64 specific account_system_vtime() function,
> currently nop as generic one.
Hi,
When I apply this patch and enable VIRT_CPU_ACCOUNTING I get
the following build error. Perhaps the fragment that creates
account_process_tick in arch/ia64/kernel/time.c is missing?
kernel/built-in.o: In function `update_process_times': undefined
reference to `account_process_tick'
--
Horms
next prev parent reply other threads:[~2007-11-19 4:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-16 13:33 [PATCH 1/9] ia64: VIRT_CPU_ACCOUNTING (accurate cpu time accounting) Hidetoshi Seto
2007-11-01 20:29 ` Tony Luck
2007-11-02 3:15 ` Hidetoshi Seto
2007-11-07 6:59 ` Luck, Tony
2007-11-07 9:46 ` Kenji Kaneshige
2007-11-19 4:34 ` Simon Horman [this message]
2007-11-19 5:17 ` Hidetoshi Seto
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