Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765798AbZFQNxS (ORCPT ); Wed, 17 Jun 2009 09:53:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752570AbZFQNxL (ORCPT ); Wed, 17 Jun 2009 09:53:11 -0400 Received: from mga02.intel.com ([134.134.136.20]:36152 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751796AbZFQNxK (ORCPT ); Wed, 17 Jun 2009 09:53:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.42,236,1243839600"; d="scan'208";a="423091453" Subject: Re: [RFD PATCH 0/4] cpu: Bulk CPU Hotplug support. From: Suresh Siddha Reply-To: suresh.b.siddha@intel.com To: Gautham R Shenoy Cc: "linux-kernel@vger.kernel.org" , Peter Zijlstra , Balbir Singh , Rusty Russel , Paul E McKenney , Nathan Lynch , Ingo Molnar , "Pallipadi, Venkatesh" , Andrew Morton , Vaidyanathan Srinivasan , Dipankar Sarma , Shoahua Li In-Reply-To: <20090616053431.30891.18682.stgit@sofia.in.ibm.com> References: <20090616053431.30891.18682.stgit@sofia.in.ibm.com> Content-Type: text/plain Organization: Intel Corp Date: Wed, 17 Jun 2009 06:50:28 -0700 Message-Id: <1245246628.27006.10556.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1 (2.24.1-2.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 808 Lines: 21 On Mon, 2009-06-15 at 22:38 -0700, Gautham R Shenoy wrote: > So, of the accounted time, a major chunk of time is consumed by > cpuset_track_online_cpus() while handling CPU_DEAD and CPU_ONLINE > notifications. > > 11.320205 ms: cpuset_track_online_cpus : CPU_DEAD > 12.767882 ms: cpuset_track_online_cpus : CPU_ONLINE > > cpuset_trace_online_cpus() among other things performs the task of rebuilding > the sched_domains for every online CPU in the system. Are the above numbers with CONFIG_SCHED_DEBUG turned on/off? thanks, suresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/