SMF Type 0 Record

This table shows the record layout for type 0 SMF records (IPL Header).
Also read our tips for working with SMF type 0 records.

Spectrum SMF Writer is the 4GL report writer for SMF files on z/OS and VSE systems.
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Jump to the Spectrum SMF Writer definitions for SMF type 0 records.

SMF Type 0 Record -- IPL Header
Offset (Dec.)	Offset (Hex)	Name	Length	Format	Description
0	0	SMF0LEN	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” on page 13-1 for a detailed description.
2	2	SMF0SEG	2	binary	Segment descriptor (see record length field).
4	4	SMF0FLG	1	binary	System indicator: Bit Meaning When Set 0-2 Reserved 3-6 Version indicators* 7 Reserved.*See “Standard SMF Record Header” on page 13-1 for a detailed description.
5	5	SMF0RTY	1	binary	Record type 0 (X'00')
6	6	SMF0TME	4	binary	Time since midnight, in hundredths of a second, that the record was moved into the SMF buffer.
10	A	SMF0DTE	4	packed	Date when the record was moved into the SMF buffer, in the form 0cyydddF. See “Standard SMF Record Header” on page 13-1 for a detailed description.
14	E	SMF0SID	4	EBCDIC	System identification (from the SID parameter).
18	12	SMF0JWT	4	binary	Limit, in minutes, of continuous wait for the job (taken from JWT parameter).
22	16	SMF0BUF	4	binary	This field contains meaningless information.
26	1A	SMF0VST	4	binary	Number of 1K bytes in virtual storage.
30	1E	SMF0OPT	1	binary	SMF options Bit Meaning When Set 0 Reserved 1 Reserved 2 Reserved. 3 Data set accounting. Record types selected. This bit is on when one of the following record types is selected: 14, 15, 17, 18, 62, 63, 64, 67 or 68. (See “Selecting SMF records” on page 4-2.) 4 Volume accounting. Record types 10 or 69 selected. (See “Selecting SMF records” on page 4-2.) 5 Reserved. 6 Type 17 records will be written for temporary data sets (REC(ALL)). 7 Reserved.
31	1F	SMF0RST	4	binary	Number of 1K bytes in central storage.
35	23	SMF0RSV	1	--	Reserved.
36	24	SMF0OSL	8	EBCDIC	MVS product name.
44	2C	SMF0SYN	8	EBCDIC	System name (from the SYSNAME parameter in the IEASYSxx parmlib member).
52	34	SMF0SYP	8	EBCDIC	Sysplex name (from the SYSPLEX parameter in the COUPLExx parmlib member).

The above table is a slightly modified version of the description provided by IBM in their "MVS Systems Management Facilities (SMF)" manual.

Spectrum SMF Writer
File Definition for Type 0 SMF Records
IPL Header

********************************************************************
*        SPECTRUM SMF WRITER -- FILE DEFINITION STATEMENTS         *
*              SMF00 - SMF TYPE 0 RECORD "IPL HEADER"              *
********************************************************************
FIELD: SMF0LEN     DISP(0)    LEN(2)    TYPE(BINARY)
FIELD: SMF0SEG     DISP(2)    LEN(2)    TYPE(BINARY)
FIELD: SMF0FLG     DISP(4)    LEN(1)    TYPE(BINARY)
FIELD: SMF0RTY     DISP(5)    LEN(1)    TYPE(BINARY)
FIELD: SMF0TME     DISP(6)    LEN(4)    TYPE(B-SECS) DEC(2)
                                        FORMAT(TPIC'Z9:99:99.99')
FIELD: SMF0DTE     DISP(10)   LEN(4)    TYPE(P-CYYDDD)
FIELD: SMF0SID     DISP(14)   LEN(4)  
FIELD: SMF0JWT     DISP(18)   LEN(4)    TYPE(BINARY)
FIELD: SMF0BUF     DISP(22)   LEN(4)    TYPE(BINARY)
FIELD: SMF0VST     DISP(26)   LEN(4)    TYPE(BINARY)
FIELD: SMF0OPT     DISP(30)   LEN(1)    TYPE(BINARY)
FIELD: SMF0RST     DISP(31)   LEN(4)    TYPE(BINARY)
FIELD: SMF0RSV     DISP(35)   LEN(1)    TYPE(BINARY)
FIELD: SMF0OSL     DISP(36)   LEN(8)  
FIELD: SMF0SYN     DISP(44)   LEN(8)  
FIELD: SMF0SYP     DISP(52)   LEN(8)