How to use ftrace facility to trace the max latency of tasks running with 'SCHED_DEADLINE' scheduling policy?

Solution Verified - Updated -

Issue

  • How to use ftrace facility to trace the max latency of tasks running with SCHED_DEADLINE scheduling policy?

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • ftrace

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