From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755244Ab1HOPyb (ORCPT ); Mon, 15 Aug 2011 11:54:31 -0400 Received: from mail-vx0-f174.google.com ([209.85.220.174]:51689 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755194Ab1HOPy3 (ORCPT ); Mon, 15 Aug 2011 11:54:29 -0400 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Andrew Morton , Anton Blanchard , Avi Kivity , Ingo Molnar , Lai Jiangshan , "Paul E . McKenney" , Paul Menage , Peter Zijlstra , Stephen Hemminger , Thomas Gleixner , Tim Pepper Subject: [PATCH 32/32] nohz/cpuset: Disable under some configs Date: Mon, 15 Aug 2011 17:52:29 +0200 Message-Id: <1313423549-27093-33-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1313423549-27093-1-git-send-email-fweisbec@gmail.com> References: <1313423549-27093-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This shows the various things that are not yet handled by the nohz cpusets: perf events, irq work, irq time accounting. But there are further things that have yet to be handled: sched clock tick, runqueue clock, sched_class::task_tick(), rq clock, cpu load, complete handling of cputimes, ... Signed-off-by: Frederic Weisbecker Cc: Andrew Morton Cc: Anton Blanchard Cc: Avi Kivity Cc: Ingo Molnar Cc: Lai Jiangshan Cc: Paul E . McKenney Cc: Paul Menage Cc: Peter Zijlstra Cc: Stephen Hemminger Cc: Thomas Gleixner Cc: Tim Pepper --- init/Kconfig | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index 7a144ad..6b6adde 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -626,7 +626,7 @@ config PROC_PID_CPUSET config CPUSETS_NO_HZ bool "Tickless cpusets" - depends on CPUSETS && HAVE_CPUSETS_NO_HZ && NO_HZ && HIGH_RES_TIMERS + depends on CPUSETS && HAVE_CPUSETS_NO_HZ && NO_HZ && HIGH_RES_TIMERS && !PERF_EVENTS && !PROFILING && !IRQ_WORK && !IRQ_TIME_ACCOUNTING help This options let you apply a nohz property to a cpuset such that the periodic timer tick tries to be avoided when possible on -- 1.7.5.4