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                    ('                 -h              # this usage message\n')
                    ('                 -i seconds      # interval summary\n')
                    ('                 -t top          # show top num entries only\n')
                    ('                 -T              # include timestamp (for -i)\n')
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                    (Id.Right_DoubleQuote '"')
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          action: [
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          spids: [413 423]
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    )
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        )
        (C {(die)} 
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        )
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    )
    (C {(warn)} {(DQ ('echo nop > current_tracer'))})
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          action: [
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            )
            (C {(sleep)} {($ Id.VSub_DollarName '$interval')})
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                    (arith_expr.VarRef
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                (C {(date)})
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            )
            (C {(printf)} {(DQ ('%-30s %8s') (Id.Lit_Other '\\') (n))} {(DQ (FUNC))} {(DQ (COUNT))})
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                (C {(awk)} 
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                      (Token
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                (C {(sort)} {(-n)} {(-k2)})
                (C {($ Id.VSub_DollarName '$tcmd')})
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              negated: F
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        )
    )
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      words: [{(echo)}]
      redirects: [
        (redir.Redir
          op: (Token id:Id.Redir_Great val:'2>' span_id:748)
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        (redir.Redir
          op: (Token id:Id.Redir_Great val:'2>' span_id:757)
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          arg_word: {(/dev/null)}
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    )
    (C {(warn)} {(DQ ('echo 0 > function_profile_enabled'))})
    (C {(warn)} {(DQ ('echo > set_ftrace_filter'))})
  ]
)