Why command execution takes more time than usual ?

Solution Verified - Updated -

Issue

  • Commands usually taking almost no time take several seconds to complete

    # time free
                  total        used        free      shared  buff/cache   available
    Mem:       32775252      819592    30595968       22844     1359692    31625924
    Swap:      50331644      510672    49820972
    
    real    0m9.505s
    user    0m0.000s
    sys     0m0.008s
    
  • McAfee hipus process consumes all the available CPUs

    # top | head 
    top - 15:04:07 up 18 days, 10:35,  2 users,  load average: 6.88, 5.78, 4.88
    Tasks: 329 total,   1 running, 327 sleeping,   0 stopped,   1 zombie
    %Cpu(s):  2.5 us,  3.9 sy,  0.0 ni, 93.3 id,  0.2 wa,  0.0 hi,  0.1 si,  0.0 st
    KiB Mem : 32775252 total, 31484164 free,   686148 used,   604940 buff/cache
    KiB Swap: 50331644 total, 49653200 free,   678444 used. 31799028 avail Mem 
    
      PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
     1108 root      20   0  212408   4524    312 S 400.0  0.0  12321:01 hipus
    47555 root      20   0   42716   1976   1288 R   0.4  0.0   0:00.03 top
       73 root      20   0       0      0      0 S   0.2  0.0  89:48.43 rcu_sched
    

Environment

  • Red Hat Enterprise Linux (RHEL) 7
  • McAfee VSE for Linux

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