Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | "Paul E. McKenney" <> | Subject | [PATCH RFC tip/core/rcu 06/12] rcu: Distinguish between boosting and boosted | Date | Sat, 6 Nov 2010 19:05:26 -0700 |
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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 <paulmck@linux.vnet.ibm.com> --- kernel/rcutiny_plugin.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h index 419b796..297aa35 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; } -- 1.7.0.6
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