From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757283AbZB0Hz3 (ORCPT ); Fri, 27 Feb 2009 02:55:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754412AbZB0HzP (ORCPT ); Fri, 27 Feb 2009 02:55:15 -0500 Received: from smtp-out.google.com ([216.239.33.17]:52245 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753549AbZB0HzO (ORCPT ); Fri, 27 Feb 2009 02:55:14 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=mime-version:in-reply-to:references:date:message-id:subject:from:to: cc:content-type:content-transfer-encoding:x-system-of-record; b=G+KYLIT9HEfANmwzoYeGPaWo350ugAkF9RzIpOHB0OaIF2/C5+2ShF1x44EApNxhC wc9QQRUMlyQG2bNxOusuA== MIME-Version: 1.0 In-Reply-To: <20090227162928.6225fc80.kamezawa.hiroyu@jp.fujitsu.com> References: <20090227140537.390905c4.kamezawa.hiroyu@jp.fujitsu.com> <20090227162928.6225fc80.kamezawa.hiroyu@jp.fujitsu.com> Date: Thu, 26 Feb 2009 23:55:06 -0800 Message-ID: <6599ad830902262355i1a5d4040p53ad2274f783b5c0@mail.gmail.com> Subject: Re: [PATCH] change cpuacct usage percpu format v2 From: Paul Menage To: KAMEZAWA Hiroyuki Cc: "linux-kernel@vger.kernel.org" , kenchen@google.com, "lizf@cn.fujitsu.com" , "balbir@linux.vnet.ibm.com" , mingo@elte.hu, "akpm@linux-foundation.org" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 26, 2009 at 11:29 PM, KAMEZAWA Hiroyuki wrote: > > IIRC, there is physical cpu hotplug system and it can remove > cpus and change map. Considering a software which records > this information pediodically(like sar), its better to show id of cpu > in explict way. Can we just use the read_map() handler for this instead? Paul