linux-kernel - [PATCH 15/24] jrcu: reorganize statistics

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Message-ID: <20110324174803.GA18907@tsunami.ccur.com>
Date:	Thu, 24 Mar 2011 13:48:03 -0400
From:	Joe Korty <joe.korty@...r.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	fweisbec@...il.com, peterz@...radead.org, laijs@...fujitsu.com,
	mathieu.desnoyers@...icios.com, dhowells@...hat.com,
	loic.minier@...aro.org, dhaval.giani@...il.com, tglx@...utronix.de,
	josh@...htriplett.org, houston.jim@...cast.net,
	andi@...stfloor.org, linux-kernel@...r.kernel.org
Subject: [PATCH 15/24] jrcu: reorganize statistics

jrcu: re-organize statistics and their display.

Signed-off-by: Joe Korty <joe.korty@...r.com>

Index: b/kernel/jrcu.c
===================================================================
--- a/kernel/jrcu.c
+++ b/kernel/jrcu.c
@@ -588,20 +588,26 @@ static int rcu_debugfs_show(struct seq_f
 	else
 		seq_printf(m, "%14s: daemon priority\n", "none, no daemon");
 #endif
-	seq_printf(m, "%14u: #passes seen\n",
+
+	seq_printf(m, "\n");
+	seq_printf(m, "%14u: #passes\n",
 		rcu_stats.npasses);
-	seq_printf(m, "%14u: #batches seen\n",
+	seq_printf(m, "%14u: #passes resulting in end-of-batch\n",
 		rcu_stats.nbatches);
-	seq_printf(m, "%14u: #barriers seen\n",
+	seq_printf(m, "%14u: #passes not resulting in end-of-batch\n",
+		rcu_stats.npasses - rcu_stats.nbatches);
+	seq_printf(m, "%14u: #msecs since last end-of-batch\n",
+		msecs);
+	seq_printf(m, "%14u: #passes forced (0 is best)\n",
+		rcu_stats.nforced);
+
+	seq_printf(m, "\n");
+	seq_printf(m, "%14u: #barriers\n",
 		atomic_read(&rcu_stats.nbarriers));
 	seq_printf(m, "%14llu: #callbacks invoked\n",
 		rcu_stats.ninvoked);
 	seq_printf(m, "%14u: #callbacks left to invoke\n",
 		atomic_read(&rcu_stats.nleft));
-	seq_printf(m, "%14u: #msecs since last end-of-batch\n",
-		msecs);
-	seq_printf(m, "%14u: #passes forced (0 is best)\n",
-		rcu_stats.nforced);
 	seq_printf(m, "\n");
 
 	for_each_online_cpu(cpu)
--
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