From patchwork Tue Oct 30 17:05:11 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 12617 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id A0F9D23F56 for ; Tue, 30 Oct 2012 17:32:41 +0000 (UTC) Received: from mail-ia0-f180.google.com (mail-ia0-f180.google.com [209.85.210.180]) by fiordland.canonical.com (Postfix) with ESMTP id 52157A18EEB for ; Tue, 30 Oct 2012 17:32:41 +0000 (UTC) Received: by mail-ia0-f180.google.com with SMTP id f6so350395iag.11 for ; Tue, 30 Oct 2012 10:32:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-content-scanned:x-cbid:x-gm-message-state; bh=oVuBmmaZsu/LK3u5YapUsTXA7UoUJaUftQpz0FmkpVo=; b=BPHKriFj2frckztmw3a7Z/6qqJESgiM1DL9WFGuwYxaOXkRbxaQiM9ROZaUxTS+hj2 7W2s9K3wZ44oWkSM69Lnmh/mCuhmY9O6eMJjwCDrbWmj3ZPAioI6gZ3xRaEBxcdg0dl7 fUiR3eB5BYB0MNT1kk27vPTFrk4KxMOXwlF0eKWfvElPgxOFTqncMi6ev8XOYSYYSqC8 vqIQzlZrUG0fthi/lOG9Qm+d3Ozn+M+PYfCHSZ6+q9yytX567pYlzFRYkLO72DdOx4YB goLmllhrnwORclHrop7h02sPEN70CEcFr5k3YFFvAkf6iuKMpn7UdPu2CPT+Up/trF9G rovA== Received: by 10.50.47.165 with SMTP id e5mr1777636ign.57.1351618361093; Tue, 30 Oct 2012 10:32:41 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.50.67.148 with SMTP id n20csp457753igt; Tue, 30 Oct 2012 10:32:40 -0700 (PDT) Received: by 10.50.95.167 with SMTP id dl7mr2227678igb.8.1351618360821; Tue, 30 Oct 2012 10:32:40 -0700 (PDT) Received: from e36.co.us.ibm.com (e36.co.us.ibm.com. [32.97.110.154]) by mx.google.com with ESMTPS id dl3si10026147igb.7.2012.10.30.10.32.40 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 30 Oct 2012 10:32:40 -0700 (PDT) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.110.154 as permitted sender) client-ip=32.97.110.154; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.110.154 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from /spool/local by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 30 Oct 2012 11:32:39 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e36.co.us.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 30 Oct 2012 11:32:37 -0600 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 209CE1FF0059 for ; Tue, 30 Oct 2012 11:32:34 -0600 (MDT) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q9UHWY3l227026 for ; Tue, 30 Oct 2012 11:32:34 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q9UHVY8Z027243 for ; Tue, 30 Oct 2012 11:31:36 -0600 Received: from paulmck-ThinkPad-W500 (sig-9-49-139-14.mts.ibm.com [9.49.139.14]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q9UHVXAe027079; Tue, 30 Oct 2012 11:31:33 -0600 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id 5E82FEBEE3; Tue, 30 Oct 2012 10:05:15 -0700 (PDT) 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 12/14] rcu: split 'rcuhier' to each flavor Date: Tue, 30 Oct 2012 10:05:11 -0700 Message-Id: <1351616713-26930-12-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1351616713-26930-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20121030170454.GA25712@linux.vnet.ibm.com> <1351616713-26930-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12103017-7606-0000-0000-000004EEB25D X-Gm-Message-State: ALoCoQngjFekQSc9gK1bx3IQxB7/5ZztBdlyu3OOnnLsAxblBz329nYADmRBLIYc7XA2ODe+2ZvM From: Michael Wang This patch add new 'rcuhier' to each flavor's folder, now we could use: 'cat /debugfs/rcu/rsp/rcuhier' to get the selected rsp info. Signed-off-by: Michael Wang Signed-off-by: Paul E. McKenney --- kernel/rcutree_trace.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index bbfb6e2..db46464 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -313,6 +313,26 @@ static const struct file_operations rcuhier_fops = { .release = single_release, }; +static int new_show_rcuhier(struct seq_file *m, void *v) +{ + struct rcu_state *rsp = (struct rcu_state *)m->private; + print_one_rcu_state(m, rsp); + return 0; +} + +static int new_rcuhier_open(struct inode *inode, struct file *file) +{ + return single_open(file, new_show_rcuhier, inode->i_private); +} + +static const struct file_operations new_rcuhier_fops = { + .owner = THIS_MODULE, + .open = new_rcuhier_open, + .read = seq_read, + .llseek = no_llseek, + .release = seq_release, +}; + static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp) { unsigned long flags; @@ -491,6 +511,10 @@ static int __init rcutree_trace_init(void) if (!retval) goto free_out; + retval = debugfs_create_file("rcuhier", 0444, + rspdir, rsp, &new_rcuhier_fops); + if (!retval) + goto free_out; } retval = debugfs_create_file("rcubarrier", 0444, rcudir,