Messages in this thread | | | Subject | Re: CONFIG_IRQBALANCE for AMD64? | From | Arjan van de Ven <> | Date | Fri, 28 May 2004 07:57:27 +0200 |
| |
On Fri, 2004-05-28 at 00:36, Thomas Zehetbauer wrote: > Unfortunately I couldn't find much info on the topic, could you please > provide some more information? Why is there a kirqd at all?
For people with old distributions that didn't include irqbalanced yet ;)
> > What are the differences/advantages/disadvantages between the kirqd and > the user space implementation?
the userspace implementation implements a more sophisticated algorithm for balancing irq's (well to be fair, since its in userspace it's easier to do this so it's not kirqd's failt that it doesn't have that). While I didn't test kirqd to compare, we did see quite a difference (order of percents) in a specweb load between a naive algorithm in kirqbalanced and the current algorithm. Otoh few real life workloads get as many interrupts as specweb ;) [unhandled content-type:application/pgp-signature] | |