On Mon, 13 Jun 2011, Jarod Wilson wrote: > This is a fairly simple driver that just starts up a kernel thread that > periodically calls the active clocksource's entropy-gathering function, > if it has one. The default interval of 100us between polls doesn't show > any measurable impact to cpu usage on a core 2 duo test rig here, and Of course it does not show up. > + schedule_timeout(timeout); That will line you up with the tick nicely. So in fact you run that code with HZ frequency. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html