rcu: Add RCU_FAST_NO_HZ tracing for idle exit

Traces of rcu_prep_idle events can be confusing because rcu_cleanup_after_idle() does no tracing. This commit therefore adds this tracing.

Paul E. McKenney committed 14 years ago

Commit 2fdbb311 parent 66f75a52 files · +2 −0Browse files

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@@ -2085,6 +2085,7 @@ static void rcu_prepare_for_idle_init(int cpu) · 2084 unmodified lines
2085	2085	static void rcu_cleanup_after_idle(int cpu)
2086	2086	{
2087	2087	hrtimer_cancel(&per_cpu(rcu_idle_gp_timer, cpu));
	2088	+ trace_rcu_prep_idle("Cleanup after idle");
2088	2089	}
2089	2090
2090	2091	/*