From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Mon, 19 Nov 2007 04:34:43 +0000 Subject: Re: [PATCH 1/9] ia64: VIRT_CPU_ACCOUNTING (accurate cpu time accounting) Message-Id: <20071119043441.GA1735@verge.net.au> List-Id: References: <4714BDC7.1070702@jp.fujitsu.com> In-Reply-To: <4714BDC7.1070702@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org 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