From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965048Ab2J3RcX (ORCPT ); Tue, 30 Oct 2012 13:32:23 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:59557 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933957Ab2J3RcP (ORCPT ); Tue, 30 Oct 2012 13:32:15 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu, patches@linaro.org, Michael Wang , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 01/14] rcu: Create directory for each flavor of rcu Date: Tue, 30 Oct 2012 10:05:00 -0700 Message-Id: <1351616713-26930-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <20121030170454.GA25712@linux.vnet.ibm.com> References: <20121030170454.GA25712@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12103017-7182-0000-0000-000002FDE52F Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Wang This patch will create subdirectory according to each flavor of rcu, the new structure will be: /debugfs/rcu/ -> rsp_0 -> rsp_1 -> ... So we can go to '/debugfs/rcu/rsp_0' and get the cpu info of rsp_0 there. The flavors of RCU are currently rcu_bh, rcu_preempt, and rcu_sched. Signed-off-by: Michael Wang Signed-off-by: Paul E. McKenney --- kernel/rcutree_trace.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index 693513b..62223a2 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -446,12 +446,20 @@ static struct dentry *rcudir; static int __init rcutree_trace_init(void) { + struct rcu_state *rsp; struct dentry *retval; + struct dentry *rspdir; rcudir = debugfs_create_dir("rcu", NULL); if (!rcudir) goto free_out; + for_each_rcu_flavor(rsp) { + rspdir = debugfs_create_dir(rsp->name, rcudir); + if (!rspdir) + goto free_out; + } + retval = debugfs_create_file("rcubarrier", 0444, rcudir, NULL, &rcubarrier_fops); if (!retval) -- 1.7.8