RE: Pin an IRQ to a particular CPU

[David Schwartz]

> Hello,
> 
> In an effort to increase over all throughput of my Linux NFS file
> server, I thought about trying to force an IRQ, for the NIC, to be
> serviced by a particular CPU.  Is this possible?
> 
> TIA,
> Phy

/proc/irq/*/smp_affinity

I would recommend automatic balancing and leave it at that. This code automatically distributes IRQs to CPUs such that each IRQ can only be serviced by a single CPU and the IRQs are distributed over the CPU set.

DS


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