On Thu, 2014-02-27 at 17:27 -0800, Paul E. McKenney wrote: > Hello, Thomas and Ingo, > > This pull request contains latency bandaids^Woptimizations to the > timer-wheel code that are useful in conjunction with NO_HZ_FULL Kconfig > option. These optimizations reduce the jiffy-by-jiffy looping in cases > where there is either zero or one timers in the timer wheel, which is > a common case for NO_HZ_FULL "worker" CPUs that run almost entirely > in usermode for a single task.
FWIW, these have seen quite a bit of runtime on various boxen, both in day to day and piddle about -rt kernels, with zero attention grabbers. -Mike -- 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/
