On RHEL6 server, audit_filter_syscall causing high CPU utilization

Solution In Progress - Updated -

Issue

  • Commands taking longer to execute.
  • High %sys CPU utilization resulting in reduced performance on server.
  • audit_filter_syscall causing high CPU utilization
    46.07%    46.07%  perf             [kernel.kallsyms]                          [k] audit_filter_syscall                             
                       |
                       --- audit_filter_syscall
                          |          
                          |--99.99%-- __audit_syscall_exit
                          |          |          
                          |          |--100.00%-- sysret_audit
                          |          |          |          
                          |          |          |--100.00%-- __write_nocancel
                          |          |          |          0x417293
                          |          |          |          main
                          |          |          |          __libc_start_main
                          |          |           --0.00%-- [...]
                          |           --0.00%-- [...]
                           --0.01%-- [...]

Environment

  • Red Hat Enterprise Linux 6
  • auditd

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