Messages in this thread | | | Date | Wed, 03 Oct 2007 13:32:02 -0400 | From | Chuck Ebbert <> | Subject | Re: PROBLEM: high load average when idle |
| |
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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |