Messages in this thread | | | Date | Wed, 10 Nov 2004 07:20:59 +0100 | From | Herbert Poetzl <> | Subject | Re: Workaround for wrapping loadaverage |
| |
On Wed, Nov 10, 2004 at 08:49:41AM +1100, Con Kolivas wrote: > Herbert Poetzl wrote: > >but I agree that a higher resolution would be a good > >idea ... also doing the calculation when the number > >of running/uninterruptible processes has changed would > >be a good idea ... > > This could get very expensive. A modern cpu can do about 700,000 context > switches per second of a real task with the current linux kernel so I'd > suggest not doing this.
hmm, right it can, do you have any stats about the 'typical' workload behaviour?
do you know the average time between changes of nr_running and nr_uninterruptible?
TIA, Herbert
> Cheers, > Con
- 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/
| |