How to measure OS and hardware latency on isolated CPUs?

Solution Verified - Updated -


  • When the low-latency environment is set and/or CPUs are isolated, the question is how good the isolation is?
  • Are there any tools to measure the isolation and how to collect statistics of undesired "interruptions", latency, unwanted timer interrupts on isolated CPU cores?


  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7

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