Re: [PATCH] NUMA-Q disable irqbalance

Alan Cox
2002-08-13T20:32:36Z

On Tue, 2002-08-13 at 21:35, Linus Torvalds wrote:
> Now, there have been other changes too - like the scheduler (and my
> current P4 has a different SCSI interface), but I dunno. The thing I
> attributed the improvements in interactive feel was the fact that the work
> got balanced out more sanely.

I've been benching 2.4 with the O(1) scheduler and the process load
balancing changes and seeing this. Conceptually I can understand why it
would occur (cache affinity) but if so we ought to do some much slower
(maybe once every 5 seconds based on accumulated averages) balancing not
none