--Jeff Garzik <[EMAIL PROTECTED]> wrote (on Saturday, February 19, 2005 11:30:53 -0500):
> Pallipadi, Venkatesh wrote: >> You are right. Kernel balancer doesn't move around the irqs, unless it >> has too many interrupts. The logic is moving around interrupts all the >> time will not be good on caches. So, there is a threshold above which >> the balancer start moving things around. >> >> You should see them moving around if you do 'ping -f' or a big 'dd' from >> the disk. > > If kirqd is moving NIC interrupts, it's broken. > > (and another reason why irqbalanced is preferable) Why is it broken to move NIC interrupts? Obviously you don't want to rotate them around a lot, but in the interests of fairness to other processes, it seems reasonable to migrate them occasionally (IIRC, kirqd rate limits to once a second or something). M. - 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/
