From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934911AbZJOJ0q (ORCPT ); Thu, 15 Oct 2009 05:26:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933205AbZJOJ0p (ORCPT ); Thu, 15 Oct 2009 05:26:45 -0400 Received: from hera.kernel.org ([140.211.167.34]:45717 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761786AbZJOJ0o (ORCPT ); Thu, 15 Oct 2009 05:26:44 -0400 Date: Thu, 15 Oct 2009 09:25:22 GMT From: "tip-bot for Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, paulmck@linux.vnet.ibm.com, hpa@zytor.com, mingo@redhat.com, josh@joshtriplett.org, 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, josh@joshtriplett.org, mingo@elte.hu In-Reply-To: <20091014233638.GE6763@linux.vnet.ibm.com> References: <20091014233638.GE6763@linux.vnet.ibm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/rcu] rcu: Add rnp->blocked_tasks to tracing Message-ID: Git-Commit-ID: 3397e040dfacbb303498ced1baa96be983dcea06 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]); Thu, 15 Oct 2009 09:25:23 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 3397e040dfacbb303498ced1baa96be983dcea06 Gitweb: http://git.kernel.org/tip/3397e040dfacbb303498ced1baa96be983dcea06 Author: Paul E. McKenney AuthorDate: Wed, 14 Oct 2009 16:36:38 -0700 Committer: Ingo Molnar CommitDate: Thu, 15 Oct 2009 11:20:22 +0200 rcu: Add rnp->blocked_tasks to tracing Signed-off-by: Paul E. McKenney Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com Cc: npiggin@suse.de Cc: jens.axboe@oracle.com Cc: Josh Triplett LKML-Reference: <20091014233638.GE6763@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar kernel/rcutree_trace.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- kernel/rcutree_trace.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index 4b31c77..1984cdc 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -155,12 +155,14 @@ static const struct file_operations rcudata_csv_fops = { static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp) { + long gpnum; int level = 0; struct rcu_node *rnp; + gpnum = rsp->gpnum; seq_printf(m, "c=%ld g=%ld s=%d jfq=%ld j=%x " "nfqs=%lu/nfqsng=%lu(%lu) fqlh=%lu oqlen=%ld\n", - rsp->completed, rsp->gpnum, rsp->signaled, + rsp->completed, gpnum, rsp->signaled, (long)(rsp->jiffies_force_qs - jiffies), (int)(jiffies & 0xffff), rsp->n_force_qs, rsp->n_force_qs_ngp, @@ -171,8 +173,10 @@ static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp) seq_puts(m, "\n"); level = rnp->level; } - seq_printf(m, "%lx/%lx %d:%d ^%d ", + seq_printf(m, "%lx/%lx %c>%c %d:%d ^%d ", rnp->qsmask, rnp->qsmaskinit, + "T."[list_empty(&rnp->blocked_tasks[gpnum & 1])], + "T."[list_empty(&rnp->blocked_tasks[!(gpnum & 1)])], rnp->grplo, rnp->grphi, rnp->grpnum); } seq_puts(m, "\n");