From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935715AbXGMSOd (ORCPT ); Fri, 13 Jul 2007 14:14:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932961AbXGMSNM (ORCPT ); Fri, 13 Jul 2007 14:13:12 -0400 Received: from deeprooted.net ([216.254.16.51]:38941 "EHLO paris.hilman.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760089AbXGMSNH (ORCPT ); Fri, 13 Jul 2007 14:13:07 -0400 Message-Id: <20070713175228.623525155@mvista.com> References: <20070713175214.336577416@mvista.com> User-Agent: quilt/0.45-1 Date: Fri, 13 Jul 2007 10:52:18 -0700 From: Kevin Hilman To: tglx@linutronix.de, mingo@elte.hu Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH -rt 4/6] Add trace_preempt_*_idle() support for ARM. Content-Disposition: inline; filename=arm-trace-preempt-idle.patch Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Add trace functions to ARM idle loop and also move the tick_nohz_restart_sched_tick() after the local_irq_disable() as is done on x86. Signed-off-by: Kevin Hilman --- arch/arm/kernel/process.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6/arch/arm/kernel/process.c =================================================================== --- linux-2.6.orig/arch/arm/kernel/process.c +++ linux-2.6/arch/arm/kernel/process.c @@ -165,11 +165,13 @@ void cpu_idle(void) while (!need_resched() && !need_resched_delayed()) idle(); leds_event(led_idle_end); - tick_nohz_restart_sched_tick(); local_irq_disable(); + trace_preempt_exit_idle(); + tick_nohz_restart_sched_tick(); __preempt_enable_no_resched(); __schedule(); preempt_disable(); + trace_preempt_enter_idle(); local_irq_enable(); } } --