On Fri, Mar 22, 2013 at 02:38:58PM +0000, Christoph Lameter wrote: > On Thu, 21 Mar 2013, Paul E. McKenney wrote: > > > So, how long of busy periods are you contemplating for your SCHED_FIFO > > threads? Is it possible to tune/adjust the offending per-CPU ktheads > > to wake up less frequently than that time? > > Test programs right now run 10 seconds. 30 seconds would definitely be > enough for the worst case.
OK, that might be doable for some workloads. What happens when you try tuning the 2-second wakeup interval to (say) 45 seconds? Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/