On 10/04/2013 03:33 PM, Nicholas Mc Guire wrote: >> I would rather fix current behaviour instead introducing yet another >> option. By using -d0 I assume that all threads wakeup at the same time. > > Nop they do not -d0 just says that they all use > the same period rather than some offset with multiple threads (e.g. -S) > >> According to your patch this does not happen due to the thread creating >> / starting overhead. >> Is there is a reason to keep this "faulty" behavior? If not I would vote >> to make this what you suggest the default. >> > > its not faulty behavior - its a different case > in fact we need both. > > same period + "random" start time > same period + synced start time > > it makes a difference on some boxes that is significant. So you say with -d0, where d is documented as "distance of thread intervals in us", I should not expect that all threads share the exact same wakeup time (because their distance is 0)? > thx! > hofrat > Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
