From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755678AbZHORIT (ORCPT ); Sat, 15 Aug 2009 13:08:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755480AbZHORIR (ORCPT ); Sat, 15 Aug 2009 13:08:17 -0400 Received: from hera.kernel.org ([140.211.167.34]:33755 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755574AbZHORIP (ORCPT ); Sat, 15 Aug 2009 13:08:15 -0400 Date: Sat, 15 Aug 2009 17:07:55 GMT From: "tip-bot for Paul E. McKenney" To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, paulmck@linux.vnet.ibm.com, hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, paulmck@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <12503552313921-git-send-email-> References: <12503552313921-git-send-email-> Subject: [tip:core/rcu] rcu: Make rcupreempt_trace.c look at offline CPUs Message-ID: Git-Commit-ID: b612ba804b8a656333013ad2ee96fb2377df5dbb X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Sat, 15 Aug 2009 17:07:56 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: b612ba804b8a656333013ad2ee96fb2377df5dbb Gitweb: http://git.kernel.org/tip/b612ba804b8a656333013ad2ee96fb2377df5dbb Author: Paul E. McKenney AuthorDate: Sat, 15 Aug 2009 09:53:50 -0700 Committer: Ingo Molnar CommitDate: Sat, 15 Aug 2009 19:02:09 +0200 rcu: Make rcupreempt_trace.c look at offline CPUs Given that offline CPUs can now have non-zero counters, we need to dump counters for offline CPUs as well as for online CPUs. Signed-off-by: Paul E. McKenney Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: josht@linux.vnet.ibm.com Cc: akpm@linux-foundation.org Cc: mathieu.desnoyers@polymtl.ca Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: hugh.dickins@tiscali.co.uk Cc: benh@kernel.crashing.org LKML-Reference: <12503552313921-git-send-email-> Signed-off-by: Ingo Molnar --- kernel/rcupreempt_trace.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/rcupreempt_trace.c b/kernel/rcupreempt_trace.c index 7c2665c..1164034 100644 --- a/kernel/rcupreempt_trace.c +++ b/kernel/rcupreempt_trace.c @@ -236,12 +236,13 @@ static ssize_t rcuctrs_read(struct file *filp, char __user *buffer, cnt += snprintf(&rcupreempt_trace_buf[cnt], RCUPREEMPT_TRACE_BUF_SIZE, "CPU last cur F M\n"); - for_each_online_cpu(cpu) { + for_each_possible_cpu(cpu) { long *flipctr = rcupreempt_flipctr(cpu); cnt += snprintf(&rcupreempt_trace_buf[cnt], RCUPREEMPT_TRACE_BUF_SIZE - cnt, - "%3d %4ld %3ld %d %d\n", + "%3d%c %4ld %3ld %d %d\n", cpu, + cpu_is_offline(cpu) ? '!' : ' ', flipctr[!f], flipctr[f], rcupreempt_flip_flag(cpu),