(command.Pipeline
  children: [
    (command.Simple
      blame_tok: <sysctl>
      more_env: []
      words: [{<sysctl>} {<debug.mutex.prof.stats>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <awk>
      more_env: []
      words: [
        {<awk>}
        {
          (SQ 
            <
'$1 ~ /[0-9]+/ { if ($3 != 0) { hld_prc = $5 / $3 * 100; lck_prc = $6 / $3 * 100 } else { hld_prc = 0; lck_prc = 0 } print $1 " " $2 " " $3 " " $4 " " $5 " " hld_prc " " $6 " " lck_prc " " substr($0, index($0, $7)); next } { print }'
            >
          )
        }
      ]
      redirects: []
      do_fork: T
    )
  ]
  ops: [<Id.Op_Pipe _>]
)