isolcpus and process load balancing/scheduling within cpuset

Solution Verified - Updated -

Issue

  • Cgroup cpuset is not balancing tasks on CPUs isolated via isolcpus kernel parameter
  • After kernel update, tasks are not balanced properly
  • Before kernel update, tasks/processes are load balanced and automatically scheduled across CPUs including ones listed in the isolcpus kernel parameter

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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