[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] vif processing is unbalance
On Mon, Apr 21, 2014 at 02:24:48PM -0400, xu cong wrote: > Hi All, > > I found the vif processing are always done on the first vcpu in dom0. I > give dom0 2 vcpus pinned to two dedicated cores respectively. The affinity > of each domU's vif-rx/tx is 3 (/proc/irq/**/smp_affinity is 3). However, > all vif processing are still only done on the vcpu0. This can be observed > by reading top output (%si utilization) and /proc/interrupts. My test bed > is Xen4.2.2, linux 3.12 is used as both dom0 kernel and domU kernel. > > Is there a method to balance the vif processing among all vcpus in dom0? > Thanks > You probably need to either manually bind IRQ to a specific CPU or use irqbalance. > Regards, > Cong _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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