On 10/02/2007 07:26 PM, Arjan van de Ven wrote: > On Tue, 02 Oct 2007 18:33:58 -0400 >> Or, everybody wakes up at once right when we are taking a sample. :) > > nice try but we sample every timer tick; this code being timer driven > makes it what you say it is regardless of *which* timer tick it > happens at ;) >
But we reduce the number of samples because some ticks just never happen when the timers get rounded: No rounding: tick ............... tick 1 running 1 running Rounded: tick 2 running In the first case the average is 1, but it's 2 in the second. - 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/