On Fri, 2005-01-28 at 05:43 +0100, Ingo Molnar wrote: > * > is this due to algorithmic/PIT-programming overhead, or due to the noise > introduced by other, non-hard-RT timers? I'd guess the later from the > looks of it, but did your test introduce such noise (via networking and > application workloads?). >
Right, it's due to noise by non-RT timers, which I enforced by adding networking and applications. This adds random timer expires and admittedly the PIT reprogramming overhead is adding portions of that noise. tglx - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/