On 03/25/2013 02:46 PM, Lenky Gao wrote: >> Do you mean on your old machine the irq will be distributed automatically >> among the cpus set by smp_affinity? >> > > Yes. My another machine's interrupts are as follows: And without irqbalance service? It sounds weird to me..
thanks, linfeng > > [root@localhost ~]# cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 23 > model name : Pentium(R) Dual-Core CPU E6700 @ 3.20GHz > ... > [root@localhost ~]# echo 3 > /proc/irq/18/smp_affinity > [root@localhost ~]# cat /proc/irq/18/smp_affinity > 3 > [root@localhost ~]# cat /proc/interrupts | grep eth2 > 18: 455 458 IO-APIC-fasteoi eth2 > [root@localhost ~]# cat /proc/interrupts | grep eth2 > 18: 463 467 IO-APIC-fasteoi eth2 > [root@localhost ~]# cat /proc/interrupts | grep eth2 > 18: 471 476 IO-APIC-fasteoi eth2 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/