How to calculate hexadecimal bit mask value for "IRQBALANCE_BANNED_CPUS" parameter.

Solution Verified - Updated -

Issue

  • Calculate hexadecimal bit mask value for `IRQBALANCE_BANNED_CPUS~ parameter.
  • How to ban hardware interrupts with IRQBALANCE_BANNED_CPUS?
  • Provide a bitmask of CPUs which irqbalance should ignore and never assign interrupts to.

Environment

  • Red Hat Enterprise Linux
  • irqbalance

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