All about nohz_full kernel parameter from RHEL7 onwards

Solution Verified - Updated -

Issue

  • What does nohz_full kernel parameter used for in RHEL7 ?
  • What is the use of dynamic tickless mode newly introduced in RHEL7 ?
  • What is the significance of CONFIG_NO_HZ_FULL Kconfig option ?
  • How to use nohz_full kernel parameter ?
  • How to test the functionality of nohz_full kernel parameter ?

Environment

  • Red Hat Enterprise Linux 7 and later

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