From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756879Ab2IYPHE (ORCPT ); Tue, 25 Sep 2012 11:07:04 -0400 Received: from mail-qc0-f174.google.com ([209.85.216.174]:56768 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755010Ab2IYPG7 (ORCPT ); Tue, 25 Sep 2012 11:06:59 -0400 From: Frederic Weisbecker To: Thomas Gleixner , Ingo Molnar Cc: LKML , Frederic Weisbecker , Tony Luck , Fenghua Yu , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens , Peter Zijlstra Subject: [PATCH 4/6] ia64: Reuse system and user vtime accounting functions on task switch Date: Tue, 25 Sep 2012 17:06:05 +0200 Message-Id: <1348585567-2925-5-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1348585567-2925-1-git-send-email-fweisbec@gmail.com> References: <1348585567-2925-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To avoid code duplication. Signed-off-by: Frederic Weisbecker Cc: Tony Luck Cc: Fenghua Yu Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Peter Zijlstra --- arch/ia64/kernel/time.c | 11 +++-------- 1 files changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 351df58..80ff9ac 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -104,20 +104,15 @@ void vtime_task_switch(struct task_struct *prev) { struct thread_info *pi = task_thread_info(prev); struct thread_info *ni = task_thread_info(current); - cputime_t delta_stime; - __u64 now; - - now = ia64_get_itc(); - delta_stime = cycle_to_cputime(pi->ac_stime + (now - pi->ac_stamp)); if (idle_task(smp_processor_id()) != prev) - account_system_time(prev, 0, delta_stime, delta_stime); + vtime_account_system(prev); else - account_idle_time(delta_stime); + vtime_account_idle(prev); vtime_account_user(prev); - pi->ac_stamp = ni->ac_stamp = now; + pi->ac_stamp = ni->ac_stamp; ni->ac_stime = ni->ac_utime = 0; } -- 1.7.5.4