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All specified CPUs in cpumachines should be also in cpumachinesrt and cpumachinesnort but these variables are complementary in the set of CPUs for machine slice.

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Interrupt Requests

irqbalance is a daemon for SMP (Symmetric shared-memory multiprocessing) systems to help balance the CPU load generated by interrupts across all of a systems CPUs. irqbalance identifies the highest volume interrupt sources, and isolates each of them to a single unique CPU, so that load is spread as much as possible over an entire processor set, while minimizing cache miss rates for irq handlers.

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