latency problem with real time spinning tasks running on isolated cpus

Solution Unverified - Updated -

Issue

Some real time spinning tasks run on isolated cpus. CPU usage percentage is throttled to 95% with 5% of idle time, whereas 100% CPU usage is the expectation.

Environment

  • Red Hat Enterprise Linux 6
  • kernel 3.10.33-rt32.52.el6rt.x86_64

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