This section contains the common SMF record headers 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 | SMF99LEN | 2 | binary | Record length. This field and the next field (total of four bytes) form the RDW (record descriptor word). See Standard SMF record header for a detailed description. |
| 2 | 2 | SMF99SEG | 2 | binary | Segment descriptor (see record length field). |
| 4 | 4 | SMF99FLG | 1 | binary | System indicator:
|
| 5 | 5 | SMF99RTY | 1 | binary | Record type 99 |
| 6 | 6 | SMF99TME | 4 | binary | Time since midnight, in hundredths of a second, that the record was moved into the SMF buffer. |
| 10 | 0A | SMF99DTE | 4 | packed | Date when the record was moved into the SMF buffer, in the form 0cyydddF. See Standard SMF record header for a detailed description. |
| 14 | 0E | SMF99SID | 4 | EBCDIC | System identification (from the SID parameter). |
| 18 | 12 | SMF99SSID | 4 | EBCDIC | Sub system identification |
| 22 | 16 | SMF99TID | 2 | binary | Record subtype (must be at offset X'16' x). |
| 24 | 18 | SMF99 _SDEF_LEN | 4 | binary | Length of the self definition section. |