From e940cc804ec212e483f91167b93d1740c2fd3415 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 4 Nov 2010 14:55:26 -0700 Subject: rcu: Distinguish between boosting and boosted RCU priority boosting's tracing did not distinguish between ongoing boosting and completion of boosting. This commit therefore adds this capability. Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney --- kernel/rcutiny_plugin.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h index f4e0df082d3c..015abaea962a 100644 --- a/kernel/rcutiny_plugin.h +++ b/kernel/rcutiny_plugin.h @@ -229,6 +229,9 @@ static void show_tiny_preempt_stats(struct seq_file *m) seq_puts(m, "no"); break; case 1: + seq_puts(m, "begun"); + break; + case 2: seq_puts(m, "done"); break; default: @@ -284,6 +287,7 @@ static int rcu_boost(void) raw_local_irq_restore(flags); rt_mutex_lock(&mtx); RCU_TRACE(rcu_preempt_ctrlblk.n_tasks_boosted++); + rcu_preempt_ctrlblk.boosted_this_gp++; rt_mutex_unlock(&mtx); return rcu_preempt_ctrlblk.boost_tasks != NULL; } -- cgit v1.2.3