On Sun, 22 Mar 2009 09:53:24 -0700 "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > > > How many synchronize_rcu() calls are you seeing on the boot path? > > > > I see 20 that hit the above code path (eg ones that wait) until > > userspace starts. > > So with well-behaved readers, the full sequence would be worth > something like 50-60 milliseconds. yeah it's about 10% if the total kernel boot time.. so it does start to matter -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
