From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030686Ab2I2CdJ (ORCPT ); Fri, 28 Sep 2012 22:33:09 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:40756 "EHLO e23smtp07.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759437Ab2I2Cci (ORCPT ); Fri, 28 Sep 2012 22:32:38 -0400 Message-ID: <50665DBF.6090106@linux.vnet.ibm.com> Date: Sat, 29 Sep 2012 10:32:31 +0800 From: Michael Wang User-Agent: Mozilla/5.0 (X11; Linux i686; rv:15.0) Gecko/20120827 Thunderbird/15.0 MIME-Version: 1.0 To: paulmck@linux.vnet.ibm.com CC: linux-kernel@vger.kernel.org, dipankar@in.ibm.com Subject: Re: [PATCH 0/7] rcu: optimize RCU trace on the huge platform References: <1348102268-3544-1-git-send-email-wangyun@linux.vnet.ibm.com> <20120928175301.GC2498@linux.vnet.ibm.com> In-Reply-To: <20120928175301.GC2498@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit x-cbid: 12092902-0260-0000-0000-000001EA1512 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/29/2012 01:53 AM, Paul E. McKenney wrote: > On Thu, Sep 20, 2012 at 08:51:01AM +0800, Michael Wang wrote: >> This patch set optimize the RCU trace to make it perform better on the >> platform with thousands of cpus. >> >> The optimization including: >> -- the cpu info will be separated by each flavor of rcu. >> -- implement the 'cpu units sequence reading' to avoid losing data. >> >> Michael Wang (7): >> [PATCH 1/7] rcu: create directory for each flavor of rcu >> [PATCH 2/7] rcu: fundamental facility for 'cpu units sequence reading' >> [PATCH 3/7] rcu: optimize the 'rcudata' for RCU trace >> [PATCH 4/7] rcu: optimize the 'rcudata.csv' for RCU trace >> [PATCH 5/7] rcu: optimize the 'rcu_pending' for RCU trace >> [PATCH 6/7] rcu: replace the old interface with the new one >> [PATCH 7/7] rcu: remove the interface "rcudata.csv" >> >> Signed-off-by: Michael Wang >> --- >> b/kernel/rcutree_trace.c | 8 + >> kernel/rcutree_trace.c | 368 ++++++++++++++++++++--------------------------- >> 2 files changed, 170 insertions(+), 206 deletions(-) > > Queued for 3.8, thank you Michael! Thanks for your review. Regards, Michael Wang > > Thanx, Paul >