Nohz_full does not reduce tick on kernel-rt (or with threadirqs)

Solution Verified - Updated -

Issue

  • Using nohz_full= parameter does not reduce general tick interruptions for process(es) running on the specified core(s).
  • Nohz_full does not work.

Environment

  • Red Hat Enterprise Linux for Real Time (RHEL-RT)
  • Red Hat Enterprise Linux (RHEL)
    • while using threadirqs parameter on kernel command line

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