Header: self-defining section

This section contains the common SMF record header fields and the triplet fields (offset/length/number), if applicable, that locate the other sections on the record.

Offsets		Name	Length	Format	Description
0	0	SMF89LEN	2	binary	Record Length. This field along with the next, are referred to as the RDW (record descriptor word). See Standard SMF record header for a detailed description.
2	2	SMF89SEG	2	binary	Segment descriptor (see record length field).
4	4	SMF89FLG	1	binary	System indicator: Bit Meaning when set 0 Subsystem identification follows system identification 1 Subtypes used 2 Reserved 3-6 MVS™ Version Indicators (Set by SMF) 7 Reserved.
5	5	SMF89RTY	1	binary	Record type 89 (X'59').
6	6	SMF89TME	4	binary	Time since midnight, in hundredths of a second, that the record was moved to the SMF buffer.
10	A	SMF89DTE	4	packed	Date that the record was moved to the SMF buffer, in the form 0`cyydddF`. See Standard SMF record header for a detailed description.
14	E	SMF89SID	4	EBCDIC	System identification (from the SID parameter in the SMFPRMxx parmlib member).
18	12	SMF89WID	4	EBCDIC	Subsystem identifier for the SMF address space - ‘STC’ for Started Task.
22	16	SMF89STP	2	binary	Record subtype 1 Usage Data Interval Record 2 State Data Interval Record
24	18	SMF89SDL	4	binary	Length of self-defining section - "28"