Threads are not being distributed across CPU cores

Solution Verified - Updated -

Issue

  • Threads are not being distributed across CPU cores
  • Can a thread exist on a different core to its parent process?
  • Can we use taskset or numactl to put a particular thread on a particular core?

Environment

  • Red Hat Enterprise Linux
  • taskset or numactl commands
  • sched_setaffinity() and sched_getaffinity() system calls

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