CALL_TREE BY CHAIN_MODULE           CALL_TREE BY CHAIN_ROUTINE
    CALL_TREE BY CHAIN_LINE             CHAIN_MODULE chain-name
    CHAIN_ROUTINE chain-name            CHAIN_LINE chain-name

    TIME BY EVENT                       TIME BY [n] MSECS
    EVENT event-name                    EVENT event-name BY [n] MSECS

    IO_SYSTEM_SERVICE BY IO_SERVICE     IO_SERVICE io-service-name
    FILE_NAME BY FILE
    FILE_KEY BY [n] KEY                 FILE_VBN BY [n] BLOCKS
    PHYSICAL_IO_COUNT BY [n] COUNTS     RECORD_SIZE BY [n] BYTES
    READ_COUNT BY [n] COUNTS            WRITE_COUNT BY [n] COUNTS

    SYSTEM_SERVICE BY SERVICE           SERVICE service-name

    TASK BY TASK_IDENTIFIER             TASK_IDENTIFIER task-id
    TASK_TYPE BY TASK_TYPE_NAME         TASK_TYPE_NAME task-type
    TASK_PRIORITY BY [n] PRIORITY_UNITS

    VLENGTH BY [n] ELEMENTS             VMASK BY [n] CELLS
    VOPERATIONS BY [n] OPERATIONS       VSTRIDES BY [n] BYTES
    INSTRUCTION BY VOPCODES             VOPCODE vector-opcode
    VREGISTER BY VREGISTER              REGISTER vector-reg