Try programming the CPU-irq affinity by writing to /proc/irq/<irq-number>/smp_affinity
For example masks for irqs could be : irq 97 - 0x1 99 - 0x2 103 - 0x4 104 - 0x8 That way, you are hardcoding on which cpu the particular irqs should land. HTH Akash On Thu, Aug 25, 2011 at 4:08 AM, J.Hwan Kim <[email protected]> wrote: > Hi, everyone > > The interrupts of my ixgbevf driver occurs only Core 0 > although the user space "irqbalance" serivce is working. > > How can I distribute the interrupt of RX in ixgbevf to all cores? > Is there any kernel compile option for it ? > > > cat /proc/interrupts | grep "isv" > 97: 8 0 0 0 0 > 0 0 0 PCI-MSI-edge isv0-rx-0 > 99: 7 0 0 0 0 > 0 0 0 PCI-MSI-edge isv0:lsc > 103: 2059 0 0 0 0 > 0 0 0 PCI-MSI-edge isv2-rx-0 > 104: 14 0 0 0 0 > 0 0 0 PCI-MSI-edge isv2-tx-0 > 105: 1 0 0 0 0 > 0 0 0 PCI-MSI-edge isv2:mbx > > "isv" is netdevice name of my ixgbevf. > > > > Thanks in advance. > > Best Regards, > > J.Hwan Kim > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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