[PATCH 15/24] jrcu: reorganize statistics

From: Joe Korty
Date: Thu Mar 24 2011 - 13:52:04 EST


jrcu: re-organize statistics and their display.

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

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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