RHEL guest on MS Hyper-V hypervisor faces performance issues when execve,execveat audit rules enabled.

Solution Verified - Updated -

Issue

  • RHEL guest running on MS Hyper-V is very slow.
  • Seeing high load average with no load on the server.
  • Seeing multiple soft lockups.
  • Seeing lot of "audit: printk limit exceeded" logs in messages file.

Environment

  • Red Hat Enterprise Linux 7, 8
  • RHEL guest running on MS Hyper-V hypervisor
  • Auditd

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